Answer:
50
Step-by-step explanation:
Triangle=180 degrees
96+34=130
180-130= 50
50 degrees is the third angle
g identify the straight-line solutions. b) write the general solution. c) describe the behavior of solutions, including classifying the equilibrium point at (0, 0).
1. The straight-line solutions are of the form y = kx + c, where k and c are constants.
2. The general solution is f(x) = kx + c, where k and c can be any real numbers.
3. The behavior of solutions depends on the value of k: if k > 0, the solutions increase as x increases; if k < 0, the solutions decrease as x increases; and if k = 0, the solutions are horizontal lines. The equilibrium point at (0, 0) is classified as a stable equilibrium point.
a) To identify the straight-line solutions, we need to find the points on the graph where the slope is constant. This means the derivative of the function with respect to x is a constant. Let's assume our function is f(x).
So, we have f'(x) = k, where k is a constant.
By integrating both sides, we get f(x) = kx + c, where c is an arbitrary constant.
Therefore, the straight-line solutions are of the form y = kx + c, where k and c are constants.
b) The general solution can be written as f(x) = kx + c, where k and c can be any real numbers.
c) The behavior of solutions depends on the value of k.
- If k > 0, the solutions will be increasing lines as x increases.
- If k < 0, the solutions will be decreasing lines as x increases.
- If k = 0, the solutions will be horizontal lines.
The equilibrium point at (0, 0) is classified as a stable equilibrium point because any small disturbance will bring the system back to the equilibrium point.
In summary, the straight-line solutions are of the form y = kx + c, where k and c are constants. The behavior of solutions depends on the value of k, and the equilibrium point at (0, 0) is a stable equilibrium point.
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Solve each equation.
2y=7(y−2)+4
y =
4x=6−2(2−x)
x =
Answer:
y=2 and x=1
Step-by-step explanation:
2y=7y-14+4
2y-7y=-14+4
-5y=-10/-5
y=2
4x=6-4+2x
4x-2x=6-4
2x=2/2
x=1
The scatter plot shows the relationship between the number of horses and the number of pigs on 7 farms. What is the slope of a trend line for
the data?
The scatter plot has no slope
How to determine the slope?From the scatter plot, we can see that the points are scattered on the plot, and they do not appear to follow a linear pattern
This means that the plot has no slope
Hence, the scatter plot has no slope
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Inga is solving 2x2 + 12x – 3 = 0. Which steps could she use to solve the quadratic equation? Select three options.
\($x+3= \pm \sqrt{\frac{21}{2}}$\) Thus, option D is correct.
What is the quadratic equation?the quadratic equation \(2x^2+12x-3=0$ is \ $x = \frac{-6 \pm \sqrt{42}}{2}\), which simplifies to \($x = -3 \pm \frac{\sqrt{42}}{2}$.\)
However, the three options listed are the steps that Inga could use to solve the quadratic equation, and only three of them are correct. The correct options are:
\($2\left(x^2+6 x\right)=-3$\)
\($2\left(x^2+6 x\right)=3$\)
\($x+3= \pm \sqrt{\frac{21}{2}}$\)
Option 1 is the result of dividing both sides of the original equation by 2, which simplifies the coefficients.
Option 2 is the result of adding $\frac{3}{2}$ to both sides of the equation to isolate the quadratic terms. Option 3 is the final step, where the equation is solved for $x$ by completing the square and taking the square root of both sides.
Therefore, it is not one of the three steps that Inga could use to solve the quadratic equation. \($x+3= \pm \sqrt{\frac{21}{2}}$\)
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Inga is solving \($2 x^2+12 x-3=0$.\) Which steps could she use to solve the quadratic equation? Select three options.
\($2\left(x^2+6 x+9\right)=3+18$\)
\($2\left(x^2+6 x\right)=-3$\)
\($2\left(x^2+6 x\right)=3$\)
\($x+3= \pm \sqrt{\frac{21}{2}}$\)
A one-question survey is to be distributed to a random sample of 1500 adults in Ohio. The question asks if they support an increase in the state sales tax from 5% to 6%, with the additional revenue going to education. Let denote the proportion of adults in the sample who say they support the increase. Suppose that 40% of all adults in Ohio support the increase. What is the mean, , of the sampling distribution of ?
a.
40% ± 5%
b.
6%
c.
5%
d.
0.40
They support an increase in the state sales tax from 5% to 6%, with the additional revenue going to education. Let denote the proportion of adults in the sample who say they support the increase. Suppose that 40% of all adults in Ohio support the increase. the correct answer is (d) 0.40.
Mean is nothing but the average of the given set of values. It denotes the equal distribution of values for a given data
set. The mean, median and mode are the three commonly used measures of central tendency.
To calculate the mean, we need to add the total values given in a datasheet and divide the sum by the total number of
values.
The mean, μ, of the sampling distribution of p can be found using the formula
μ = p,
where p is the proportion of adults in the entire population who support the increase.
In this case, 40% of all adults in Ohio support the increase, so p = 0.40.
Therefore, the mean of the sampling distribution of p is:
μ = 0.40
So the correct answer is (d) 0.40.
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The graph below shows the solution set of which inequality?
\(\Large \boldsymbol{} \pmb {Answer: |x|<6}\)
Step-by-step explanation :
\(\displaystyle \Large \boldsymbol{} |x|< 6 =>{ \left \{ {{\!\!\!x< 6} \atop {x> -6}} \right. } => \boxed{x \in (-6 ; 6 )} \ \ right\)
A litter of kittens consists of two gray females, one gray male , one black female, and three black males. You randomly pick one kitten. The kitten is gray or male.
Answer:
There is a 3/7 chance for a gray kitten, a 4/7 chance for a male kitten, and a 1/7 chance for a gray male kitten.
Step-by-step explanation:
Total Kittens = 7 (each of the following will be out of the total amount of kittens)
2/7 = Gray Female
1/7 = Gray Male
1/7 = Black Female
3/7 = Black Male
Total Male Kittens = 4/7
Total Gray Kittens = 3/7
a rectangles width is 13 more than its length if the perimeter is 82 feet what is the length and width ?
Answer:
Length = 27 feet and Width = 14 feet
Step-by-step explanation:
W = Width (w+13)
P = 2L + 2W
82 = 2 (W+13) + 2W
82= 4W
56=4
W = 14 feet
Length = w + 13
13 + 14 = 27 feet
Length = 27 feet
Press all of the equations that are correct. 271 divided by 3 equals 93. 6 thousand 438 divided by 6 equals 1 thousand 73. 953 divided by 7 equals 136 R 1. 5 thousand 608 divided by 8 equals 71. 2 thousand 683 divided by 4 equals 67 R 3.
Answer:
6 thousand 438 divided by 6 equals 1 thousand 73
953 divided by 7 equals 136 R 1
Step-by-step explanation:
Calculation for the equations that are correct
The equations that are correct are:
6 thousand 438 divided by 6 equals 1 thousand 73 which is written as 6,438/6=1073 will be calculated using this formula
Numerator/Denominator
Where,
Numerator=6,438
Denominator=6
Let plug in the formula
6,438/6
=1,083
953 divided by 7 equals 136 R 1 which is written as 953/7= 136.1 is calculated using this formula
Numerator/Denominator
Where,
Numerator=953
Denominator=7
Let plug in the formula
953/7
=136.1
Therefore the equations that are correct are :
6 thousand 438 divided by 6 equals 1 thousand 73 and 953 divided by 7 equals 136 R 1
Write to ratio as a fraction in simplest form, with whole numbers in the numerator and denominator.
Answer:
5:9
Step-by-step explanation:
just divide both sides by 5 and then you get the ratio 5:9
Answer: 5/9 g
Step-by-step explanation:
an agricultural field test compares two varieties of corn, silver queen and country gentlemen. the researches takes 10 plots and divides each of these plots in half. each plot has a similar amount of sun light, shade, quality of soil and irrigation. the variety of corn is randomly chosen for each half of a plot. after the harvest, the yield of corn is measured for each half plot at each location. the yield from silver queen was compared to the yield of country gentlemen. note: differences were taken by taking silver queen - country gentlemen the 95% confidence interval for the mean is (-0.223, 0.988). what can we expect will be the p-value for a two sided test using this data? group of answer choices the p-value should be smaller than 0.95. the p-value should be higher than 0.95. the p-value should be higher than 0.05. the p-value should be smaller than 0.05.
Based on the given information, we can expect the p-value for a two-sided test using this data to be smaller than 0.05. This is because the 95% confidence interval for the mean does not contain 0, which indicates that there is a statistically significant difference between the yield of silver queen and country gentlemen.
A p-value is a measure of the evidence against the null hypothesis (which in this case would be that there is no difference between the two corn varieties). The smaller the p-value, the stronger the evidence against the null hypothesis and the more likely we are to reject it. In general, if the p-value is smaller than the chosen significance level (usually 0.05 or 0.01), we reject the null hypothesis and conclude that there is a significant difference between the two groups being compared.
Therefore, in this case, we can expect the p-value to be smaller than 0.05 and conclude that there is a significant difference in the yield of silver queen and country gentlemen.
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Can someone please help me with these 2 problems?
Answer:
Step-by-step explanation:
hope this helped<3
Please help I need to finish this in 2 days
The angle subtended at the center of the arc is 102⁰
What is the length of the arc?Recall that to find the length of an arc on a circle, we can use the formula L = r *, where r is the radius of the circle, is the central angle, and is the angle between the ends of the arc. If the central angle is measured in degrees, we can use the formula L = r *, where r is the radius of the circle, is the central angle, and is the angle between the ends of the arc.
Lenght of arc = A/360 *2пr
A = angle at center = ?
п = 22/7 r = radius = 840 feet
⇒1500 = A/360 2 *22/7 * 840
1500 = 36960A/2520
3780000= 36960A
making A the subject we have
3780000/36960 = A
A = 102.27
A= 102⁰
The angle is 102⁰
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Pleasee help meeee question 7 and 8
Answer & Step-by-step explanation:
7. The slope-intercept form of a linear equation is y = mx+b where m is the slope and b is the y-intercept. Looking at the two equations, we can rearrange them to be
y = -8x+1
y = 8x+2
From this, we can see that the m, or slope, of the equations are -8 and 8 respectively. Thus, we can determine that the steepness of both equations are equal though one is pointed downwards and the other upwards.
8. We already know that m is the slope so if the function is increasing, the slope is going upwards, thus m must be larger than 0.
Next, we plug in (4,0) into the function to determine b.
f(x) = mx + b
0 = m(4) + b
Since we have determined that m is larger than 0 and thus a positive number, m*4 will be a positive number. The only way for m(4) + b to equal to 0 then is for b to be a negative number, smaller than 0.
If anyone knows the answer to this question please help!
7th grade math
Answer: 54°
Step-by-step explanation:
We can see that this triangle is a right triangle (look at the little square in the triangle's corner-- that tells us that it's a right angle). A right angle is 90°
A triangle always has 180° in total.
So, we can add 90° and 36° and subtract the sum from 180°
180° - (90° + 36°) = 180° - 126° = 54°
Answer:
x = 54
Step-by-step explanation:
One of the properties for any triangle is that the sum of angles in the triangle will always equal 180 degrees. As one can see, one of the angles is (90) degrees, this is indicated by the box around the angle. It is given that one of the other angles is (36) degrees. One can call the unknown angle (x) and form an equation. Substitute in the given values and solve for (x).
(90) + (36) + (x) = 180
Simplify,
126 + x = 180
Inverse operations,
126 + x = 180
-126 -126
x = 54
4t^2+2 + 4t^2-2
what is the sum?
Answer: its 8t²
Step-by-step explanation:
Answer:
Sum = 8t²
Step-by-step explanation:
Let's solve the problem,
→ 4t² + 2 + 4t² - 2
→ (4t² + 4t²) + (-2 + 2)
→ 8t² + 0 = 8t²
Hence, the answer is 8t².
A coordinate plane with a line passing through (negative 3, 0), (0, negative 2) and (3, negative 4).
What is the equation of the graphed line written in standard form?
2x + 3y = –6
2x + 3y = 6
y equals negative StartFraction 2 Over 3 EndFraction x minus 2.
y equals StartFraction 2 Over 3 EndFraction x minus 2.
Answer:
2x+3y=-6
Step-by-step explanation:
the intercepts are (-3,0) (x intercept) and (0,-2) (y intercept)
this means that when x = 0, y = -2 and when y = 0, x = -3.
the last two are not in standard form, so we can eliminate those.
the answer also cannot be the second one because both intercepts are negative. when we solve it, the intercepts would be (3,0) and (0,2). the answer must be 2x+3y=-6.
sorry for the late reply!
Answer:
I believe its A. 2x+3y=-6
Step-by-step explanation:
Researchers in New York City did a study on ice cream sales and murder rates in the city. This graph was included in the results.
After seeing this graph as a picture with the headline “Ice cream sales cause murder rates to increase” shared on social media by her best friend’s second cousin, the president of a prominent HOA in the Hamptons decided to petition to ban the sale of ice cream so that people would stop being murdered.
Compare and Contrast what you see on the graph.
Was the HOA president right for doing so? What other factors could have contributed to both the rise in ice cream sales and murders? Is this an example of correlation or causation?
Answer:
The HOA board president is vested with the same powers typically given to the chief executive officer of a corporation. This office should be the authority on the rules and laws that govern the board, handle procedural duties, and serve as the spokesperson for business matters.
When two or more variables correlate, you may be tempted to conclude that the correlation is due to a relationship between the variables. In this instance, there's no connection between ice cream and homicide at all: the causation is actually between temperature and ice cream, and temperature and homicide.
Step-by-step explanation:
Recall:
Correlation shows an association between two variables.The relationship showed depicts an association between two variables that are correlated but may not necessary establish a cause-and-effect.Thus, from the scenario cited given the graph, ice cream sales rate correlates with murder rate. This shows a strong association between both rates. However, it does implies a causation.
Therefore, the HOA president was wrong to have assumed sales of ice cream is a factor that causes increase in murder rate.A possible factor that may be responsible for increase in murder rate and ice cream sales is temperature. Thus, it is an example of correlation.Learn more here:
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(-4 × 5.2) − (-3 × -4/5)=
) =
Answer:
\(=-23.2\)
Step-by-step explanation:
\(\left(-4\times \:5.2\right)-\left(-3\left(-\frac{4}{5}\right)\right)\\\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a,\:-\left(-a\right)=a\\=-4\times \:5.2-3\times \frac{4}{5}\\4\times \:5.2=20.8\\4\times \:5.2\\\mathrm{Multiply\:the\:numbers:}\:4\times \:5.2=20.\\=20.8\\3\times \frac{4}{5}=\frac{12}{5}\\3\times \frac{4}{5}\\\mathrm{Multiply\:fractions}:\quad \:a\times \frac{b}{c}=\frac{a\:\times \:b}{c}\\=\frac{4\times \:3}{5}\\\mathrm{Multiply\:the\:numbers:}\:4\times \:3=12\\\)
\(=\frac{12}{5}\\=-20.8-\frac{12}{5}\\\mathrm{Convert\:element\:to\:a\:decimal\:form}\\\frac{12}{5}=2.4\\=-20.8-2.4\\\mathrm{Subtract\:the\:numbers:}\:-20.8-2.4=-23.2\\=-23.2\)
A store sells four-packs of permanent markers in assorted colors for $3.19 per pack. All spiral-bound notebooks, whether wide-ruled or college-ruled, sell for $1.20 each. Cleo buys x packs of markers, y wide-ruled notebooks, and z college-ruled notebooks. The store charges a 6% sales tax on Cleo’s total bill. Which expression represents the amount Cleo must pay after taxes?
A.
3.19x + 1.20y + 1.20z + 1.06
B.
3.19x + 1.20yz + 1.06
C.
1.06(3.19x + 1.20yz)
D.
1.06(3.19x + 1.20y + 1.20z)
Answer:
D. 1.06(3.19x + 1.20y + 1.20z)
Step-by-step explanation:
Since marker packs are 3.19 each, the cost of the marker packs she buys can be represented by 3.19x.
All spiral notebooks are 1.20 each, so the cost of the wide ruled notebooks can be represented by 1.20y.
The cost of the college ruled notebooks can be represented by 1.20z.
In the expression, all of these terms have to be added together and multiplied by 1.06 to calculate the sales tax.
So, the expression will be 1.06(3.19x + 1.20y + 1.20z)
D is the correct answer
Answer:
Solution :-Let cost of marker packs = $3.19xLet the cost of spiral notebook = $1.20 yCost of college ruled book = $1.20 zExpression :-\( \tt \: 1.06(3.19x + 1.20y + 1.20 \: z)\)
how do i write 0.9 in wordform
Answer:
nine tenths
or, simpler:
zero point nine
The temperature at the beach at noon was 80 degrees F The temperature rose 10 degrees by 5pm then dropped by 15 degrees by 9pm. What is the temperature at 9pm?
Answer;
75 degrees
Step-by-step explanation:
80+10=90 90-15=75
The slope field for certain differential equae tion is shown below: Which of the following statements about solution y = f (x) the differential equation must be false?
A). The graph of the particular solution that satisfies f "(0)=0 has = point of inflection at x=0 _
B.) The graph of the particular solution that satisfies f (0) =0 is concave up on the interval -k
C) The graph of the particular solution that satisfies f(-1)=1 concave up on the interval -1
D.) The graph of the particular solution that satisfies f ()=-1is concave down on the interval 0
The slope field shown in the question is that of a differential equation of the form y'= f(x,y).
The solutions of this equation are the curves in the slope field that emanate from each point and that have the same slope as the line at that point. Thus, for each point (x,y) in the slope field, it is possible to calculate the particular solution that passes through that point.
The first statement is false because it involves the second derivative of the particular solution, which cannot be determined from the slope field. The second statement is false because a concave up graph requires that the derivative of the solution be increasing at x=0, but the slope field does not indicate the sign of the derivative of the particular solution. The third statement is false because a concave up graph requires that the derivative of the solution be decreasing at x=-1, which cannot be determined from the slope field. The fourth statement is false because a concave down graph requires that the derivative of the solution be increasing at x=0, which cannot be determined from the slope field.
In summary, none of the statements can be determined to be true or false from the slope field shown.
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Please help me with this
Answer:
ghAnnabelle was right, she gave the dog more than enough
Step-by-step explanation:
What is the graph of a quadratic equation known as?
Answer:
The graph of a quadratic function is a U-shaped curve called a parabola.
Step-by-step explanation:
If l║m and m∠8 = 109°, what is m∠5?
you need to see all the measurements to know what m∠5 to get the answer.
Pete has a 15-foot ladder. The safety instructions recommend he should have the base of the ladder 6 feet from the base of the wall he will lean the ladder against. How high will the ladder
reach on the wall?
Round to the nearest tenth
GET BRAINLYY IF CORRECT
Answer:
13.7
Step-by-step explanation:
A{2} + B{2} =C{2} \\
6{2} +B{2} =15{2} \\
6x6+B(2) =15x15\\
36+B(2)=225\\
-36\\
\sqrt{189} =13.7
x= degrees 32° x x
Answer:
32 +x+x=180(Sum of angles of a triangle)
32+2x=180
2x=180-32
2x=148
x=148/2
Therefore,X=74
Answer:
the answer for x is 74°
Step-by-step explanation:
\(32 + x + x = 180 \\ 2x + 32 = 180 \\ 2x = 180 - 32 \\ 2x = 148 \\ x = 74 \: degrees\)
What is 5% expressed as a decimal?
Answer:
0.05
Step-by-step explanation:
To change a decimal to a percentage, multiply it by 100.
So... 0.05 equals to 5%, because 0.05 × 100 = 5.
What is the measure of angle B?
Answer:
m∡B = 120°
Step-by-step explanation:
base angles are equal
adjacent angles are supplementary so:
4x+20 + 3x-15 = 180
7x + 5 = 180
7x = 175
x = 25
∡B = 4(25) + 20
∡B = 120°
Answer:
39.6
Step-by-step explanation:
(3x-15)+(4x+20)+2x=360
9x+5=360
9x=355
*Divide each side by 9*
X=39.4
*SUBSTITUTE X*
3(39.4)-15=103.2
4(39.4)+20=177.6
*ADD THE TOTALS FROM ABOVE*
103.2+177.6= 280.8
360-280.8=79.2
*DIVIDE THE TOTAL BY 2*
79.2/2=39.6
*CHECK*
3(39.4)-15=103.2
4(39.4)+20=177.6
103.2+177.6+39.6+39.6=360 IS CORRECT.
Hope this helps! :)