X+y=-5
-x -x
y=-x-5 is the ending equation.
How to graph:
The y-intercept, or point where the graph starts, is -5
From there go down 1, right 1.
M=-x
B=-5
Answer: m = -1 b = -5
Step-by-step explanation:
Rewrite the equation in "slope-intercept form" y = mx +b .
m is the slope
b is the y-intercept, where the graph of the line crosses the y-axis
To rewrite the equation, to get "y" alone on the left side, subtract x from both sides:
x + y = -5
-x + x + y = -x - 5 (left side -x +x =0 so "cancel")
y = -x -5
You get the slope "m" from the coefficient of x, (invisible 1, sometimes)
since there is a negative sign, the coefficient is -1 That is m, the slope.
A negative slope goes down from left to right.
For -1, down one over 1 square.
Your graph should look like the screenshot below.
I hope this helps you understand better!
A. Find the mistake in the italicized conclusion and correct it.
Supposed the positive cases of COVID-19 in Saudi
Arabia went up to 30% from 817 positive cases and 57%
again this month. Over the 2 months, Covid-19 positive
cases went up to 87%.
The increase from 30% to 57% is not a 27% increase but rather a 27-percentage-point increase.
What is the error?The conclusion makes a mistake by presenting the percentage rise in COVID-19 positive instances in an unreliable manner. The rise from 30% to 57% is actually a 27-percentage-point increase rather than a 27% gain.
To make the conclusion correct: "Over the course of the two months, the number of COVID-19 positive cases increased by 27 percentage points, from 30% to 57%."
This has corrected the initial mistake in the conclusion.
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my observation is: my hypothesis is: my prediction is: the experiment i would do is: independent variable: dependent variable: what type of data would you collect? quantitative/qualitative? two standardized variables:
My observation is: the leaves on my tomato plant are turning yellow.
The Answer for Hypothesis to Standardized VariablesMy hypothesis is: that the plant is lacking in nutrients.My prediction is: that if I add fertilizer to the soil, the leaves will turn green againThe experiment I would do is: add fertilizer to the soil and observe the changes in leaf color.Independent variable: the addition of fertilizerDependent variable: leaf colorThe type of data collected is: quantitative, measuring the shade of green in the leavesStandardized variables are: the amount of sunlight and water given to the plantBy adding fertilizer, we are trying to manipulate the plants nutrient intake to see if it affects the yellowing of the leaves. The addition of fertilizer is the independent variable, while the color of the leaves is the dependent variable. We will collect quantitative data by measuring the shade of green in the leaves. To ensure that our results are accurate, we will standardize the amount of sunlight and water given to the plant.
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determine the length of . question 15 options: a) 9.17 units b) 6.32 units c) 3.74 units d) 10.77 units
The length of CD is 6.32 units.
From the question, we have
CB / AB = DB / CB
CB / 14 = 10 / CB
CB² = 14 × 10
CB = √140
using the Pythagorean theorem,
AB² = CB² + AC²
14² = (√140)² + AC²
196 - 140 = AC²
AC = √56
Using the ratio of the similar triangle,
CD / AC = DB / CB
CD / √56 = 10 / √140
CD = (√56 × 10)/√140
CD = 6.32 units
the length of CD is 6.32 units.
Divide:
Repetitive subtraction is the process of division. It is the multiplication operation's opposite. It is described as the process of creating equitable groups. When dividing numbers, we divide a larger number down into smaller ones such that the larger number obtained will be equal to the multiplication of the smaller numbers. One of the four fundamental mathematical operations, along with addition, subtraction, and multiplication, is division. Division is the process of dividing a larger group into smaller groups so that each group contains an equal number of things. It is a mathematical operation used for equal distribution and equal grouping.
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The mean of all possible sample means is equal to the
Select one:
a. population mean
b. population variance
c.
d. sample variance
a. population mean
The mean of all possible sample means is equal to the population mean.
This is known as the sampling distribution of the sample mean. When we take multiple random samples from a population and calculate the mean of each sample, the average of these sample means will converge to the population mean.
This is a fundamental result of statistics known as the Central Limit Theorem. As the sample size increases, the variability of the sample means decreases and they become centered around the population mean.
Therefore, the mean of all possible sample means provides an unbiased estimate of the population mean.
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help answer correctly !!!!!!!!!!!! Will mark Brianliest !!!!!!! Will mark 50 points !!!!!!!!!!!!!!
Answer:
-5
0
5
Step-by-step explanation:
x is being assigned a value of -5:
x -> -5
x will be assigned x's previous value + 5:
x -> x + 5
x will keep increasing by 5 until x = 6, hence the REPEAT UNTIL (x = 6)
so:
-5 is the starting value and:
x -> -5 + 5
x = 0
x -> 0 + 5
x = 5
x -> 5 + 5
x = 10. thats more than 6, so we stop and x = 5
-5
0
5
Identify the domain of an image that has been rotated 270 degrees counter-clockwise
about the origin, given the range is (3,-4), (1, -1), (6, -7).
O (4, -3), (1, -1), (7,-6)
O (-4, 3). (-1, 1), (-7, 6)
O (-3,-4).(-1, -1), (-6, -7)
0 (4,3), (1, 1), (7,6)
Answer:
A, (4,-3), (1, -1), (7,-6)
Step-by-step explanation:
f(x, y) = (y, -x) there is a 90° clockwise or 270° counterclockwise rotation
Evaluate: 8 - (4 + 2)?I
-28
Explanation
To evaluate this expression let's use the PEMDA acrostic
Parenthesis
Exponents
Multiplication
Division
Adition
Evaluating the correct problem:
\(\begin{gathered} 8-(4+2)^2= \\ 8-(6)^2= \\ 8-36= \\ -28 \end{gathered}\)determine whether s is a basis for p3. s = {t t3, −t t2 t3, 2 −t t2, 1 t3 }
S = {4t − t^2, 5 + t^3, 5 + 3t, −3t^2 + 2t^3} is a basis for P₃ because it spans P₃ and is linearly independent.
To check if S spans P₃, let's take an arbitrary polynomial in P₃, say p(t) = a + bt + ct^2 + dt^3. We need to show that we can write p(t) as a linear combination of the elements in S. Let's try
p(t) = a + bt + ct^2 + dt^3
= (5 + t^3) + (5 + 3t) + (4t - t^2) - (3t^2 - 2t^3) + (c - 5 - 3) + (b - 4)t + (a + 3)d
We can see that we can express p(t) as a linear combination of the elements in S plus some constants. Since the constants can be absorbed into the coefficients of the elements in S, we have shown that S spans P₃
Now, let's check if S is linearly independent. To do this, we need to show that no element in S can be written as a linear combination of the other elements in S. Let's set up the equation
c₁(4t - t^2) + c₂(5 + t^3) + c₃(5 + 3t) + c₄(-3t^2 + 2t^3) = 0
Expanding and collecting like terms, we get
(c₂ + c₃) + (-c₁ + c₄)t + (c₁ - 3c₄)t^2 + (2c₄)t^3 = 0
Since this equation must hold for all values of t, we can equate the coefficients of the corresponding powers of t to get the system of equations
c₂ + c₃ = 0
-c₁ + c₄ = 0
c₁ - 3c₄ = 0
2c₄ = 0
The last equation implies that c₄ = 0. Substituting this into the second equation gives -c₊ = 0, so c₁ = 0. Substituting c₁= c₄ = 0 into the first equation gives c₂ + c₃ = 0. Since c₂ and c₃ cannot both be zero (otherwise the equation is trivial), this implies that S is linearly independent.
Since S satisfies both conditions for a basis, we can conclude that S is a basis for P₃
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I have solved the question in general, as the given question is incomplete.
The complete question is:
Determine whether S is a basis for P_3.
S = {4t − t^2, 5 + t^3, 5 + 3t, −3t^2 + 2t^3}
-7x-2y= -13
x-2y= 11
Solve the question with substitution and show work
Answer:
x=3,y= -4
Step-by-step explanation:
ii) x-2y=11
x=11+2y-----(i)
Now,
i) -7x-2y= -13
or, -7(11+2y)-2y= -13
or, -77-14y-2y = -13
or -14y-2y = -13+77
or -16y = 64
or y =64÷(-16)
:: y = -4
Again,
(ii) x-2y= 11
or x-2(-4)= 11
or x+8 = 11
or x = 11-8
:: x = 3
can someone please answer this question? thank you! (assignment due today)
15. Find the values of x and y.
(10x – 61)º
(18y + 5)º
(r + 10)º
Answer:
(18*y+5)-((10*x-61))=0
Step-by-step explanation:
should be your answer ║
(18*y+5)-((10*x-61))=0
How do you do division
Division involves the dividend divided by the divisor which results in the quotient.
What is the division operation?Division operation is one of the four basic mathematical or algebraic operations, including addition, multiplication, and subtraction.
There are five parts to a division operation, including the dividend (the numerator or number being divided), the divisor (the denominator or number dividing), the division operand (÷), the equation symbol (=), and the product.
Thus, to divide a value, quantity, expression, or number, use the divisor as the denominator and the result becomes the quotient.
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Which of the following is not an isometry
A). Translation
B). Line reflection
3). Point reflection
4). Rotation
The option that is not an isometry from the given transformations is 3). Point reflection.
What is an isometry?An Isometry refers to a transformation that leads to the distance and length of a shape being preserved when it is transformed.
Translations and rotations preserve the shape of a figure during transformation which means they preserve length which makes them an isometry. The same is true of line reflections.
Point reflections on the other hand, will lead to a change in dimensions for the figure being transformed.
In conclusion, `a point reflection is not an isometry.
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The cost of breakfast cereal is R36 for 1kg. Calculate how much 5kg of breakfast cereal will cost.
Step 1: To calculate the cost of 5kg of breakfast cereal, we need to multiply the cost of 1kg by 5.
Step 2: R36 x 5 = R180
Step 3: Therefore, 5kg of breakfast cereal will cost R180.
I need emergency help if you help I’ll be soo happy :) plsss
Answer:
900 square feet :)
Step-by-step explanation:
plz give brainliest
What is the value of y?
2
5
7
8
Find the values of x and y.
Question content area bottom
Part 1
x
41 (Do not include the degree symbol in your answer.)
Part 2
y
enter your response here (Do not include the degree symbol in your answer.)
Step-by-step explanation:
when a line intersects parallel lines, then the intersecting angles must be the same for each of the parallel lines.
so,
y = 139
and the angles y and x are supplementary (or a linear pair). that means together they have 180°.
that is simply because the sum of all angles around a single point on one side of a line must be 180° (because the line is like the diameter of a circle with the "rotation point" being the center, and one side of the line represents the half-circle).
therefore,
y + x = 180
139 + x = 180
x = 41
{3x+y=10
{X-4y=-1 You must solve for Y
Answer:
x = 3 and y = 1
Step-by-step explanation:
Solve the following system:
{3 x + y = 10
x - 4 y = -1
Express the system in matrix form:
(3 | 1
1 | -4)(x
y) = (10
-1)
Solve the system with Cramer's rule:
x = 10 | 1
-1 | -4/3 | 1
1 | -4 and y = 3 | 10
1 | -1/3 | 1
1 | -4
Evaluate the determinant 3 | 1
1 | -4 = -13:
x = 10 | 1
-1 | -4/(-13) and y = 3 | 10
1 | -1/(-13)
Simplify 10 | 1
-1 | -4/(-13):
x = -1/13 10 | 1
-1 | -4 and y = 3 | 10
1 | -1/(-13)
Simplify 3 | 10
1 | -1/(-13):
x = -(10 | 1
-1 | -4)/13 and y = -1/13 3 | 10
1 | -1
Evaluate the determinant 10 | 1
-1 | -4 = -39:
x = (-1)/13×-39 and y = -(3 | 10
1 | -1)/13
(-1)/13 (-39) = 3:
x = 3 and y = -(3 | 10
1 | -1)/13
Evaluate the determinant 3 | 10
1 | -1 = -13:
x = 3 and y = (-1)/13×-13
(-1)/13 (-13) = 1:
Answer: x = 3 and y = 1
Someone help plz make sure it’s right if it is will mark brainiest:)
Answer:
39
Step-by-step explanation:
PLEASE HELP THANK YOU BRANLIEST IS PROVIDED
Answer:
Solution given;
area of semi circle=½πr²=1/2×3.14×4²=25.12in²
area of rectangle ABCD=l×b=8×13=104in²
area of rectangle CEFI=l×b=3×6=18in²
Total area =25.12+104+18=147.12in²
Area of circle
πr²π(7+6-5/2)²π(8/2)²16π25.12in²Area of centre rectangle
8(13)104in²Area of right rectangle
3(6)18in²Total
18+104+25.12122+25.12147.12in²Ashton read 12 pages on Friday. He read 3 times as many pages on Saturday, and 14 more pages on Sunday.How many more pages did Ashton read over the three days?
Answer:
Ashton read 62 pages over the three days
Step-by-step explanation:
Given;
Ashton read 12 pages on Friday
He read 3 times as many pages on Saturday = 3 x 12 pages = 36 pages
He read 14 more pages on Sunday
The total number of pages read Ashton over the three days can be calculated as follows;
Total pages read by Ashton = 12 pages + 36 pages + 14 pages
Total pages read by Ashton = 62 pages
Therefore, Ashton read 62 pages over the three days
suppose that m is a proper ideal in a commutative ring r. we proved in class that if r/m is simple, then m is a maximal ideal in r. give a careful direct proof of the converse direction. that is, prove that if m is maximal, the
Here is a careful direct proof of the converse direction of the ideal in a commutative ring.
Suppose that M is a proper ideal in a commutative ring R. We proved in class that if R/M is simple, then M is a maximal ideal in R. Now let's prove the converse, that if M is maximal, then R/M is simple.
To prove this, we must consider the following two facts:
* If M is a maximal ideal in R, then for any ideal N of R, either M is contained in N or N is contained in M.
* If R/M is simple, then for any nonzero ideal N of R/M, N = R/M.
Now, let N be any ideal of R. If M is contained in N, then the image of N in R/M is equal to N. Since R/M is simple, this means that N = R/M.
If M is not contained in N, then N is not contained in M. Since M is maximal, this means that N must be equal to R. The image of N in R/M is therefore also equal to R. Since R/M is simple, this means that N = R/M.
In either case, we have shown that for any ideal N of R, either M is contained in N or N is contained in M. This means that M is a maximal ideal in R.
Therefore, if M is maximal, then R/M is simple.
Thus, it's proved that "If M is a maximal ideal, then R/M is a simple ideal".
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The price of gasoline has increased from $2.00 per gallon to $3.00 per gallon. how would this price change be represented on the demand curve?
If the price of gasoline has increased from $2.00 per gallon to $3.00 per gallon. how would this price change be represented on the demand curve is: a movement from one point on the line to a higher point on the line.
What is demand curve?Demand curve can be defined as the curve that show price of goods and services produced as well as the quantity demanded for the goods produce at a particular period of time.
The price change can be represented on the demand curve when price increase and this happen when the price of goods move from one point on a line to a higher point on the line
Therefore how would this price change be represented on the demand curve is: a movement from one point on the line to a higher point on the line.
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A car travels at an average speed of 56 miles per hour. How many miles does it travel in 4 hours and 45minutes?
We can use the following formula to solve the exercise.
\(\text{ Distance }=\text{ Rate}*\text{ Time}\)Then, we have:
\(\begin{gathered} \text{ Distance = ?} \\ \text{ Rate = 56 mph} \\ \text{ Time }=4\frac{3}{4}=\frac{4*4+3}{4}=\frac{19}{4}=4.75\text{ hours} \\ \text{ Because }\frac{45\text{ minutes}}{60\text{ minutes}}=\frac{45}{60}=\frac{15*3}{15*4}=\frac{3}{4} \end{gathered}\)We replace the know values in the formula.
\(\begin{gathered} \begin{equation*} \text{ Distance }=\text{ Rate}*\text{ Time} \end{equation*} \\ \text{ Distance }=56\text{ mph}*4.75\text{ hours} \\ \text{ Distance }=266\text{ mi} \end{gathered}\)AnswerThe car travels 266 miles in 4 hours and 45minutes.
Military radar and missile detection systems are designed to warn a country of an enemy attack. A reliability question is whether a detection system will be able to identify an attack and issue a warning. Assume that a particular detection system has a probability of detecting a missile attack. Use the binomial probability distribution to answer the following questions. a. What is the probability that a single detection system will detect an attack
Answer:
0.8 is the probability that a single detection system will detect a missile attack.
Step-by-step explanation:
A triangle is shown below what is the measure of
Answer:
70 Degrees
Step-by-step explanation:
All triangles add up to 180 degrees so add 44+26=70 180-70= 110 so remaining angle is 110. A straight line is 180 degrees so using the remaining angle of the blue triangle we find that 180-110=70 so B is 70 degrees.
Answer:
\(70\textdegree\)
Step-by-step explanation:
The Exterior Angle Theorem states that in a triangle, the measure of an exterior angle is equal to the sum of its two remote interior angles.
In this case, the exterior angle is ∠\(B\) and the remote interior angles measure \(44\textdegree\) and \(26\textdegree\), so \(m\)∠\(B=44+26=70\textdegree\). Hope this helps!
Select the correct answer.What is the range of the function graphed below?у86-2-4HX- 224624-6OA - < y < -2
According to the graph, the range, which is the set of values that y can take, comes from negative infinite and stops at approximately 2. It means that y will always be greater than negative infinite but less than 2, this represented as inequation is:
\(-\inftyThe correct answer is B.Given that a - b = 3 and ab=5, find, without the use of a calculator,
the value of a^2 +b^2?
Answer:
19
Step-by-step explanation:
a-b=3 ab=5
a²+b² = (a-b)²+2ab ( a general formula)
= 3²+2×5
=9+10 = 19
karen bought 8 pounds of fruit to make 3 equal-sized fruit salads. What is the weight of each fruit salad?
Answer:
2 2/3
Step-by-step explanation:
in a recent survey of 47 youth soccer players, 32 said that their favorite position to play is goalkeeper. find the standard error for the sample proportion of soccer players whose favorite position is goalkeeper. enter your answer as a decimal rounded to three decimal places.
The standard error for the sample proportion of soccer players whose favorite position is goalkeeper is 0.080.
The standard error (SE) of the sample proportion is calculated using the formula:
SE = √((p * (1 - p)) / n)
where p is the sample proportion and n is the sample size.
In this case, the sample size is n = 47, and the sample proportion of soccer players whose favorite position is goalkeeper is p = 32/47 = 0.6809 (rounded to four decimal places).
Substituting these values into the formula, we get:
SE = √((0.6809 × (1 - 0.6809)) / 47)
SE = √(0.2179 / 47)
SE ≈ 0.082
Rounding to three decimal places, the standard error for the sample proportion is approximately 0.082.
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Triangle ABC is similar to triangle FGH. What is the value of x?
Answer:
22.5 cm
Step-by-step explanation:
You can make a proportion of the sides of the two triangles: AB/FG = 9/13.5 = 1/1.5 = 2/3
You also can do the same thing with another set of two sides: AC/FH = 12/18 = 2/3.
Then, you know the proportion is 2/3 so you have BC/GH = 2/3 = 15/x
Solving:
\(\frac{2}{3} = \frac{15}{x}\)
multiply both sides by 3x
\(2x = 45\\x = 22.5\)
Answer:
22.5 cm
Step-by-step explanation:
AB/FG = BC/GH
9/13.5 = 15/x
cross-multiply:
9x = 202.5
x = 202.5/9
x = 22.5