BRAINLIEST!!!!!!BRAINLIEST!!!!BRAINLIEST!!!!BRAINLIEST!!!BRAINLIEST!!!!!BRAINLIEST!!!!BRAINLIEST!!!!BRAINLIEST !!!!!!!
Answers
Answer:
answer C
Step-by-step explanation:
\(3x^2-4x-8 + (6x^2+2x-3) = 3x^2-4x-8+6x^2+2x-3=9x^2-2x-11\)
so the correct answer is the C
hope this helps
Answer:
C.
Step-by-step explanation:
= 3x²-4x-8+6x²+2x-3
= 3x²+6x²-4x+2x-8-3
= 9x²-2x-11
Related Questions
8 is 40
show work divied
Answers
Answer: 5
0 Remainder
Step-by-step explanation:
Step 1:
Start by setting it up with the divisor 8 on the left side and the dividend 40 on the right side like this:
8 ⟌ 4 0
Step 2:
The divisor (8) goes into the first digit of the dividend (4), 0 time(s). Therefore, put 0 on top:
0
8 ⟌ 4 0
Step 3:
Multiply the divisor by the result in the previous step (8 x 0 = 0) and write that answer below the dividend.
0
8 ⟌ 4 0
0
Step 4:
Subtract the result in the previous step from the first digit of the dividend (4 - 0 = 4) and write the answer below.
0
8 ⟌ 4 0
- 0
4
Step 5:
Move down the 2nd digit of the dividend (0) like this:
0
8 ⟌ 4 0
- 0
4 0
Step 6:
The divisor (8) goes into the bottom number (40), 5 time(s). Therefore, put 5 on top:
0 5
8 ⟌ 4 0
- 0
4 0
Step 7:
Multiply the divisor by the result in the previous step (8 x 5 = 40) and write that answer at the bottom:
0 5
8 ⟌ 4 0
- 0
4 0
4 0
Step 8:
Subtract the result in the previous step from the number written above it. (40 - 40 = 0) and write the answer at the bottom.
0 5
8 ⟌ 4 0
- 0
4 0
- 4 0
0
You are done, because there are no more digits to move down from the dividend.
The answer is the top number and the remainder is the bottom number.
Therefore, the answer to 40 divided by 8 calculated using Long Division is:
5
0 Remainder
pls help asap if you can!!!
Answers
The statement that best proves that <XWY ≅ <ZYW is that two parallel lines are cut by a transversal, then the alternate interior angles are congruent
How to determine the statementTo determine the correct statement, we need to know the properties of a parallelogram.
These properties includes;
Opposite sides are parallel. Opposite sides are congruent. Opposite angles are congruent. Same-Side interior angles (consecutive angles) are supplementary. Each diagonal of a parallelogram separates it into two congruent triangles.The diagonals of a parallelogram bisect each other.Learn more about parallelogram at: https://brainly.com/question/10744696
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24 x 5/8
9 x 1/3
15 x 3/10
Answers
Answer:
15
3
4.5
Step-by-step explanation:
Answer:
1. 24 & 5/8 or 24.625
2. 9 & 1/3 or 9.333333
3. 15 & 3/10 or 15.3
Step-by-step explanation:
What is the value of y?
Answers
Answer:
10
Step-by-step explanation:
y+40=5y
40=5y-y
40=4y
y=10
29.3% of flowers of a certain species bloom "early" (before May 1st). You work for an arboretum and have a display of these flowers. a) In a row of 30 flowers, what is the probability that 9 will bloom early? b) In a row of 30 flowers, what is the probability that fewer than 11 will bloom early? c) As you walk down a row of these flowers, how many flowers do you expect to have to observe (on average) in order to see the first one that blooms early? (Keep your answer as a decimal.) d) In a row of 50 flowers, what is the probability that more than 9 will bloom early? e) In a row of 50 flowers, what is the probability that between 11 and 18 (inclusive) will bloom early? f) In a row of flowers, what is the probability that you will have to observe 4 flowers in order to see the first one that blooms early? g) In a row of flowers, what is the probability that you will observe more than 4 flowers to see the first one that blooms early?
Answers
a) The probability that 9 out of 30 flowers will bloom early is 0.171.
b) The probability that fewer than 11 out of 30 flowers will bloom early is 0.454.
c) On average, you would expect to observe 3.42 flowers in order to see the first one that blooms early.
d) The probability that more than 9 out of 50 flowers will bloom early is 0.999.
e) The probability that between 11 and 18 (inclusive) out of 50 flowers will bloom early is 0.884.
f) The probability that you will have to observe 4 flowers in order to see the first one that blooms early is 0.219.
g) The probability that you will observe more than 4 flowers to see the first one that blooms early is 0.781.
Explanation for a: This can be calculated using the binomial distribution formula:
P(X=9) = (30 choose 9) * \(0.293^9\) * \(0.707^21\) = 0.171, where (30 choose 9) is the number of ways to choose 9 flowers out of 30 and 0.293 is the probability of a flower blooming early.
Explanation for b: This can be calculated using the cumulative probability function of the binomial distribution: P(X<11) = P(X=0) + P(X=1) + ... + P(X=10) = ∑(10, i=0) (30 choose i) * 0.293^i * 0.707^(30-i) = 0.454.
Explanation for c: This can be calculated using the geometric distribution formula: E(X) = 1/p = 1/0.293 = 3.42, where p is the probability of a flower blooming early.
Explanation for d: This can be calculated using the cumulative probability function of the binomial distribution: P(X>9) = P(X=10) + P(X=11) + ... + P(X=50) = ∑(50, i=10) (50 choose i) * 0.293^i * 0.707^(50-i) = 0.999.
Explanation for e: This can be calculated using the cumulative probability function of the binomial distribution:
P(11<=X<=18) = P(X=11) + P(X=12) + ... + P(X=18) = ∑(18, i=11) (50 choose i) * 0.293^i * 0.707^(50-i) = 0.884.
Explanation for f: This can be calculated using the geometric distribution formula:
P(X=4) = \((1-p)^{(4-1)} * p = 0.707^3 * 0.293\) = 0.219
where p is the probability of a flower blooming early.
Explanation for g: This can be calculated using the cumulative probability function of the geometric distribution:
P(X>4) = 1 - P(X=1) - P(X=2) - P(X=3) - P(X=4) = 1 - p = 0.781
where p is the probability of a flower blooming early.
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Find f(3) f(2) f(1) f(0) f(-1)
Answers
Answer:
f(3) = -1, f(2) = -3, f(1) = -5, f(0) = -7, f(-1) = -9
Step-by-step explanation:
f(x) = 2x -7
f(3) = 2(3) - 7 = -1
f(2) = 2(2) - 7 = -3
f(1) = 2(1) - 7 = -5
f(0) = 2(0) - 7 = -7
f(-1) = 2(-1) - 7 = -9
what is/are the product(s) of the following acid-base mechanism?
Answers
The product(s) of an acid-base mechanism depend on the specific reactants involved. Without knowing the reactants, it is not possible to provide a definitive answer.
However, in general, acid-base reactions involve the transfer of a proton (H+) from an acid to a base, resulting in the formation of a conjugate acid and a conjugate base. The conjugate acid is formed by the acceptance of the proton, while the conjugate base is formed by the donation of the proton.
It is important to note that without specific reactants, it is impossible to determine the exact products of an acid-base mechanism. The nature of the reactants and their acid-base properties determine the specific products formed in a given reaction.
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For the polynomial function find the following: (i) Degree of the polynomial; (ii) All intercepts; (iii) The intercept.
y = x^2 + 169
Degree of a Polynomial:
When our polynomial is written in expanded form, we can determine its degree by stating the highest exponent on our variable. If our polynomial is factored, the degree is instead equal to the sum of the number of factors, though if any factor is taken to an exponent, we count that factor as many times as indicated by the value of the exponent.
Answers
(i) The highest exponent on the variable x is 2. Therefore, the degree of the polynomial is 2. (ii) There are no x-intercepts for this polynomial. (iii) Since there are no x-intercepts, there is no intercept to be determined for this polynomial.
For the polynomial function \(y = x^2 + 169\):
(i) Degree of the polynomial:
The highest exponent on the variable x is 2. Therefore, the degree of the polynomial is 2.
(ii) All intercepts:
To find the intercepts, we set y = 0 and solve for x.
When y = 0:
\(x^2 + 169 = 0\)
This equation has no real solutions because the term x^2 is always non-negative, and adding 169 to it will result in a positive value. Therefore, there are no x-intercepts for this polynomial.
(iii) The intercept:
Since there are no x-intercepts, there is no intercept to be determined for this polynomial.
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Using the diagram above, create your own word problem.
Answers
Answer:
Step-by-step explanation: So since one of the box Is bigger it is larger in numbers so see how many little boxes can make the big box okay.
determine the value of y^12 when y= 10^ -1/6
Answers
Answer: \(\boxed{\frac{1}{100}\ or\ 0.01}\)
Step-by-step explanation:
Determine the value of \(y^{12} \ when\ y=10^{-\frac{1}{6}\)
\(=(10^{-\frac{1}{6} })^{12}\)
\(=\frac{1}{100}\ or\ 0.01\)
\(~\hspace{7em}\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} ~\hspace{4.5em} a^n\implies \cfrac{1}{a^{-n}} ~\hspace{4.5em} \cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m} \\\\[-0.35em] ~\dotfill\\\\ y^{12}\hspace{5em}y=10^{-\frac{1}{6}}\qquad \implies \qquad \left( 10^{-\frac{1}{6}}\right)^{12}\implies 10^{-\frac{1}{6}\cdot 12} \\\\\\ 10^{-2}\implies \cfrac{1}{10^2}\implies \cfrac{1}{100}\)
y=2x+1 Ecuación Gráfica
Answers
Answer:
Hope this helps!
Step-by-step explanation:
x= 1/2- y+ -1/ 2
Easy eats diner is a large restaurant chain after paying for a meal at easy eats diner customers are asked to rate the quality of food as a 1,2,3,4,or 5, where a rating of 1 means not good and 5 means excellent the customers ratings have a population mean of
Answers
The mean and the standard deviation of the sampling distribution of the sample mean is equal to 4.57 and 0.69 respectively.
Population mean 'μ' = 4.57
Sample size 'n' = 7
Population Standard deviation 'σ' =1.82
Mean of the sampling distribution of the sample mean is equal to the population mean,
which is μ = 4.57.
So, μₓ = μ = 4.57.
Standard deviation of the sampling distribution of the sample mean also known as the standard error of the mean.
Using the formula we have,
σₓ = σ / √(n)
Substituting the given values, we have,
⇒ σₓ = 1.82 / √(7)
⇒ σₓ = 1.82 / 2.646
⇒ σₓ = 0.6878
⇒ σₓ ≈ 0.69
This implies,
The standard deviation of the sampling distribution of the sample mean is σₓ ≈ 0.69.
Therefore, the mean of the sampling distribution of the sample mean and
standard deviation of the sampling distribution of the sample mean is equal to 4.57 and 0.69 respectively.
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The above question is not complete, the complete question is:
Easy Eats Diner is a large restaurant chain. After paying for a meal at Easy Eats Diner, customers are asked to rate the quality of the food as a 1, 2, 3, 4, or 5, where a rating of 1 means "not good" and 5 means "excellent". The customers' ratings have a population mean of μ = 4.57, with a standard deviation of σ=1.82. Suppose that we will take a random sample of n= 7 customers' ratings. Let x represent the sample mean of the 7 customers' ratings. Consider the sampling distribution of the sample mean x.
Complete the following. Do not round any intermediate computations. Write your answers with two decimal places, rounding if needed.
(a) Find μₓ(the mean of the sampling distribution of the sample mean). ?
(b) Find σₓ (the standard deviation of the sampling distribution of the sample mean). ?
what does x equal 2x+4=8
Answers
Answer:
x=2
Step-by-step explanation:
2x+4=8; subtract 4 to both sides of the equation
2x +4-4=8-4
2x=4; divide both sides by 2
\(\frac{2}{2\\}\)x=\(\frac{4}{2}\)
1x=2 or just x=2
What would be the absolute value of Point R shown on the number line?
Answers
Answer:
|-2| = 2
Step-by-step explanation:
find the angle between the vectors. (first find an exact expression and then approximate to the nearest degree.)
Answers
The angle between the given vectors is 52 degrees.
We are given two vectors and we have to find the angle between these two vectors. The vectors given are a = 4i - 3j +k and b = 2i - k. The angle between two vectors a and b is calculated by using the following formula;
cos θ = \(\frac{a.b}{|a|.|b|}\)
We will calculate the value of a.b = (4i - 3j +k)(2i + 0j -k)
a.b = 4(2) + (-3)(0) + 1(-1)
= 8 + 0 - 1
= 7
Now, we will calculate the value of |a|
= |4i - 3j + k|
= \(\sqrt{(4)^2 + (-3)^2 + (1)^2}\)
= \(\sqrt{16 + 9 + 1}\)
= \(\sqrt{26}\)
Calculate the value of |b|
= |2i + 0j - k|
= \(\sqrt{(2)^2 + (0)^2 + (-1)^2}\)
= \(\sqrt{4 + 0 + 1}\)
= \(\sqrt{5}\)
Substitute the values of a.b, |a|, and |b| in the formula.
cos θ = \(\frac{7}{\sqrt{26\sqrt{5} } }\)
cos θ = \(\frac{7}{\sqrt{130} }\)
θ = \(cos^{-1} (\frac{7}{\sqrt{130} })\)
θ = 52 .1\(2^\circ\)
θ = 5\(2^\circ\)
Therefore, the angle between the given vectors is 52 degrees after approximating to the nearest degree.
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The complete question is "Find the angle between the vectors. (First, find an exact expression and then approximate it to the nearest degree.)
a = 4i - 3j + k
b = 2i - k "
5(y + 4) = 5y + 20 *
Commutative Property
Associative Property
Identity Property
Distributive Property
PLEASE HELPP
Answers
Answer:
0
Step-by-step explanation:
5y+20=5y+20
There are 20 girls and 15 boys in the class. How many different five-member teams could be formed if each team should be composed of three girls and two boys?
Answers
The number of combinations which are possible according to the specifications is; 119,700.
How many combinations are there to compose 3 girls and 2 boys?It follows from the task content that the 5ember teams to be formed must contain 3 girls and 2 boys.
On this note, it follows that the combinations possible are as follows
20C(3) × 15C2 = 1140 × 105 = 119,700.
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can anyone please help me? this is algebra
Answers
Answer:
11
Step-by-step explanation:
You put the 3 in the place of the X
which means X^2 would be 3^2
That would be 9
You would then add 9 + 2
11 would be your answer
What is the slope for this equation in linear function y=2/3x-2
Answers
Answer:
2/3
Step-by-step explanation:
y=mx+b where m=slope and b=y-intercept.
Isaac walks 8 km north and then 12 km east. How far is Isaac from his starting point?
Answers
Answer:
Step-by-step explanation:
Distance from starting point = 8 + 12 = 20km
ok screw it i need to sneep i can't even do simple addition its too late
sorry
-cheesetoasty
translate to algebraic: Two times rhe sum of x and 3
Answers
The answer is 2(x+3)
hope it helps!
Answer:
2x + 6
Step-by-step explanation:
2(x +3)
2x +6
multiply x by 2=2x
multiply 3×2=6
2x +6
MARKING BRAINLIEST Eva recorded the grade level instrument of everyone in the middle school of rock below what percent of the seventh graders in the school of rock play bass round your answer to the nearest 10th of a percent
Answers
Answer: its 30
Step-by-step explanation:
the p-value for a hypothesis test turns out to be 0.07702. at a 1% level of significance, what is the proper decision?
Answers
7.702 is the proper decision.
What exactly is a p-value?
The p-value (probability value) indicates how likely the data are to occur under the null hypothesis. To do this, the probability of the test statistic is computed. H. Numbers calculated by statistical tests using your data.The p-value indicates how often you would expect the test statistic to be extreme, or more extreme than the statistic computed by the statistical test, if the null hypothesis for the test were true. The p-value decreases as the test statistic computed from the data moves away from the range of the test statistic predicted by the null hypothesis.To know more about p-value visithttps://brainly.com/question/16754784#SPJ4are 2x-7 equivalent to 2(x-2)+3
Answers
Answer:
No they are not equivalent.
Step-by-step explanation:
2(x - 2) + 3
First distribute the 2. It goes to both the x and also to the - 2
= 2x - 4 + 3
Add - 4 + 3
= 2x - 1
This is not equal to 2x - 7
this is kind of tricky for me to answer,please help! I will make you Brainliest!
Answers
Answer:
Im not too sure because I haven't done this in a while but, I think the answer is 60cm, don't come at me if its wrong plssss
Step-by-step explanation:
if u divide it along the far left, closer to 12cm, u would have 2 rectangles. they would Both be close and If u added up 12cm and 12cm that would give you 24cm, and if you go to the other rectangle it would be 18 cm plus 18cm that would be 36cm. u do not multiply since it is perimeter and not area. Hope it helped!
Answer:
60 cm
Step-by-step explanation:
18+18+12+12
30+30
60
the 4 unknown sides we know that the 2 lengths equal 18 cm because both of them together are the same length as the base and the 2 widths add up to be 12 cm since it is the same size as the 12 cm width when added together if that makes sense
Hopes this helps
Question:The Equation of this line is y+11=9(x+2)
A.True
BFalse
Answers
Answer:
I think it's false
Step-by-step explanation:
given tan θ = -15/8 where pi/2<θ
Answers
The solution for θ in the equation tan(θ) = -15/8 is 2.1 + πn
How to determine the solution for θFrom the question, we have the following parameters that can be used in our computation:
tan(θ) = -15/8
Evaluate the quotient of -15 and 8
So, we have the following representation
tan(θ) = -1.875
Using a graphing calculator, we take the arctan of both sides
So, we have the following representation
θ = 2.1 + πn
Where n is any integer
Hence, the value of θ is 2.1 + πn
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Find the area of each regular polygon. Leave answer in simplest form.
Answers
The areas of the regular polygons are listed below:
Case 8: A = 166.277
Case 10: A = 166.277
Case 12: A = 779.423
Case 14: A = 905.285
Case 16: A = 678.964
Case 18: A = 332.554
Case 20: A = 1122.369
Case 22: A = 166.277
How to determine the area of a regular polygon
In this problem we must determine the areas of eight regular polygons, whose formula is now shown below:
A = 0.5 · (n · l · a)
a = 0.5 · l / tan (180 / n)
Where:
a - Apothemal - Side lengthn - Number sidesNow we proceed to determine the area of each polygon:
Case 8:
l = 2 · a · tan (180 / n)
l = 2 · 4√3 · tan 30°
l = 8√3 · (√3 / 3)
l = 8
A = 0.5 · (n · l · a)
A = 0.5 · 6 · 8 · 4√3
A = 166.277
Case 10:
a = 0.5 · l / tan (180 / n)
a = 0.5 · 8 / tan 30°
a = 4 / (√3 / 3)
a = 4√3
A = 0.5 · (n · l · a)
A = 0.5 · 6 · 8 · 4√3
A = 166.277
Case 12:
a = 0.5 · l / tan (180 / n)
a = 0.5 · 10√3 / tan 30°
a = 5√3 / (√3 / 3)
a = 15
A = 0.5 · (n · l · a)
A = 0.5 · 6 · 10√3 · 15
A = 779.423
Case 14:
l = 2 · a · tan (180 / n)
l = 2 · (28√3 / 3) · tan 30°
l = (56√3 / 3) · (√3 / 3)
l = (56 · 3 / 9)
l = 56 / 3
A = 0.5 · (n · l · a)
A = 0.5 · [6 · (56 / 3) · (28√3 / 3)]
A = 905.285
Case 16:
l = 2 · a · tan (180 / n)
l = 2 · 14 · tan 30°
l = 28 · √3 / 3
l = 28√3 / 3
A = 0.5 · (n · l · a)
A = 0.5 · 6 · (28√3 / 3) · 14
A = 678.964
Case 18:
l = 2 · a · tan (180 / n)
l = 2 · 8 · tan 60°
l = 16√3
A = 0.5 · (n · l · a)
A = 0.5 · 3 · 16√3 · 8
A = 332.554
Case 20:
a = 0.5 · l / tan (180 / n)
a = 0.5 · 12√3 / tan 30°
a = 6√3 / (√3 / 3)
a = 18
A = 0.5 · (n · l · a)
A = 0.5 · 6 · 12√3 · 18
A = 1122.369
Case 22:
a = 0.5 · l / tan (180 / n)
a = 0.5 · 8 / tan 30°
a = 4 / (√3 / 3)
a = 4√3
A = 0.5 · (n · l · a)
A = 0.5 · 6 · 8 · 4√3
A = 166.277
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In the image below, the m
Answers
Answer:
67°.
Step-by-step explanation:
1) m∠PMR=m∠LMN=3x+19°;
2) m∠LMN+m∠LMP=180°, it can be written as 3x+19+9x-31=180;
3) if to solve the equation 3x+19+9x-31=180, then x=16;
4) m∠PMR=3x+19=48+19=67°.
which measurement is equivalent to 2.34 meters? responses 0.0234 cm 0.0234 cm 23.4 cm 23.4 cm 234 cm 234 cm 2340 cm
Answers
Option 234 cm is the correct option.
The measurement equivalent to 2.34 meters is: 234 cm
To convert meters to centimeters,
you multiply the number of meters by
100.
So, 2.34 meters multiplied by 100 is equal to 234 centimeters.
An object is only identified or classified using numbers on a nominal scale, which is a measuring scale. Only non-numeric (quantitative) factors or situations where numbers have no meaning are often addressed by this assessment.
By increasing the number of metres by 100, one may convert measurements from metres to centimetres. One metre equals one hundred centimetres, or 1 m = 100 cm, as is common knowledge.
Cm is used to represent it in writing. It may also be described as the unit of length in the current metric system, the International System of Units (SI). It is equal to one hundredth of a metre.
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