Mathematics College

Solve: 2x + 15 = -3x
Please help me out! I need to solve for X

Answers

Answer 1

Answer:

X=-3

Step-by-step explanation:

2x+15=-3x

15=-5x

x=15/-5

x=-3

Answer 2

Answer:

x = -3

Step-by-step explanation:

2x + 15 = -3x

15 = -5x

x = -3

Related Questions

Please help i’ll give brainliest and please dont say this is east im in 6th and just learned this

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Answer:

Step-by-step explanation:

1/3 is .3 repeating

and you need to move decimal over twice for a percentage so should be 15%

which is greater [-3.25] or [4.25]

Answers

which is greater [-3.25] or [4.25]

Answer:

4.25

Step-by-step explanation:

The number is bigger in absolute form

fellow point stealers/hustlers rise up

Answers

Answer: I will help ppl if I know the answers but besides that I look for questions like this.

Step-by-step explanation:

Evaluate each expression for the given value of the variables. 2x + y for x= 7 and y = 11

Answers

Answer:

Step-by-step explanation:

Substitute 7 into 2, and 11 into y.

2(7)+(11)

14+11

answer choices are
A B C D
if you could, please add an explanation.

Answers

Answer:

Step-by-step explanation:

Which value, when placed in the box, would result in a system of equations with infinitely many solutions? y = 2x – 5 2y – 4x =

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Answer:

-10

Step-by-step explanation:

Answer:-10

Step-by-step explanation: trust

what is the sum of the first 30 multiplies of 3?
A.1200
B.1395
C.1500
D.1490

Answers

Answer:

Letter D. 1490

I hope you helped☜☆☞

how do i work this out.
write 600 as the product of prime factors. Give your answer in index form

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You can do it as 2•2•2•3•5•5 or you can do 2 to the third power, times three to the first power, times five to the second power.

You measure 22 watermelons' weights, and find they have a mean weight of 36 ounces. Assume the population standard deviation is 6.9 ounces. Based on this, construct a 95% confidence interval for the true population mean watermelon weight. Give your answers as decimals, to two places

Answers

Answer:

Step-by-step explanation:

Confidence interval formula is expressed as;

CI = xbar ±(z*s/√n)

xbar is the mean = 36

z is the z score at 95% CI = 1.96

s is the standard deviation = 6.9

n is the sample size = 22

Substitute

CI = 36 ±(1.96*6.9/√22)

CI = 36 ±(1.96*6.9/4.6904)

CI = 36 ±(1.96*1.4711)

CI = 36 ± 2.8833

CI = (36 - 2.8833, 36 + 2.8833)

CI = (33.1167, 38.8833)

Hence the 95% CI for the true population mean is 33.12<x<38.88

In ΔHIJ, i = 53 cm, ∠I=120° and ∠J=30°. Find the length of j, to the nearest 10th of a centimeter.

Answers

Answer:

30.6

Step-by-step explanation:

The sine rule of trigonometry helps us to equate the side of the triangles to the angles of the triangles. The length of the side j is 30.6 cm.

What is Sine rule?

The sine rule of trigonometry helps us to equate the side of the triangles to the angles of the triangles. It is given by the formula,

[tex]\dfrac{Sin\ A}{\alpha} =\dfrac{Sin\ A}{\beta} =\dfrac{Sin\ A}{\gamma}[/tex]

where Sin A is the angle and α is the length of the side of the triangle opposite to angle A,

Sin B is the angle and β is the length of the side of the triangle opposite to angle B,

Sin C is the angle and γ is the length of the side of the triangle opposite to angle C.

Given the length of i is 53 cm, while the measure of the ∠I is 120°. Also, the measure of ∠J is 30°. Therefore, the length of the side j is,

[tex]\dfrac{Sin\ A}{\alpha} =\dfrac{Sin\ A}{\beta} =\dfrac{Sin\ A}{\gamma}\\\\\dfrac{Sin\ I}{i} =\dfrac{Sin\ J}{j} \\\\\dfrac{Sin\ 120^o}{53} =\dfrac{Sin\ 30^o}{j} \\\\j = \dfrac{Sin\ 30^o \times 53}{Sin\ 120^o}\\\\j = 30.5995 \approx 30.6\rm\ cm[/tex]

Hence, the length of the side j is 30.6 cm.

Learn more about Sine Rule:

https://brainly.com/question/17289163

#SPJ2

The mean income for people in a certain city (in thousands of dollars) is 37 with standard deviation 80 (thousands of dollars). A pollster draws a sample of 45 people to interview.
A. What is the probability that the mean income of the sample people is more than 24 (thousands of dollars)?
B. What is the probability that the sample mean income is between 41 and 45?
C) Find the 80th percentile of the sample mean.
D) Would it be unusual for the sample mean to be less than 38?
E) Do you think it would be unusual for an individual to have an income of less than 38? Explain.

Answers

Answer:

Step-by-step explanation:

The mean income for people in a certain city (in thousands of dollars) is 37 with standard deviation 80 (thousands of dollars). A pollster draws a sample of 45 people to interview.

A. What is the probability that the mean income of the sample people is more than 24 (thousands of dollars)?

B. What is the probability that the sample mean income is between 41 and 45?

C) Find the 80th percentile of the sample mean.

D) Would it be unusual for the sample mean to be less than 38?

E) Do you think it would be unusual for an individual to have an income of less than 38? Explain.

10, 9, 11, 8, 15, 18, 13
1. Calculate the mean, median, and mode. Round to the nearest tenth.

Answers

Answer:

Median: 11

Mean: 12

Mode: none

Step-by-step explanation:

M A T H W A Y helps

Mode is something that is repeated multiple times

Answer:

Median- 11

Mean-12

Mode-none

Step-by-step explanation:First step: Put the numbers in order 8,9,10,11,13,15,18

The median is the middle number so that would be 11

Median-11

Mode is the most repeated number as you can see there is none

Mode- none

Mean is the average of all the numbers so first you add them all together and divide it by 7 because there are 7 numbers in total.

Mean- 12

Please give me 1 Integer, 1 negative fraction, 1 positive fraction, 1 negative decimal, and 1 positive decimal between -1 and 1.

Please answer ASAP. Need the answers quickly. Whoever answers correctly will get Brainliest.

Answers

Answer:

Step-by-step explanation:

Integer=8

negative fraction= -1/2

positive fraction= 1/9

negative decimal=-0.4

positive decimal= 0.8

Meg places a tomato plant in her garden She adds a pepper plant 6 feet to the left of the
tomato plant. Then she adds a pumpkin plant 5 feet to the right of the tomato plant. How
many feet apart are the pepper plant and pumpkin plant? Show an absolute value
expression that can be used to find your answer.

Answers

Answer:

what is the opinions for the question

A right triangle has side 9 and hypotenuse 15. Use the Pythagorean Theorem to find the length of the third side.
Provide your answer below:

Answers

Answer:

Step-by-step explanation:

Pythogorean Theorem:

a squared + b squared = c squared

9 squared or 81 + ? squared = 15 squared or 225

Inverse Pythagorean Theorem:

c squared - a squared = b squared

225 - 81 = 144

sqrt (144) = 12

12 = b

Hope this helps! Good luck!

Find the measure of angle LMN
please help me!!

Answers

Its 125
It cant be 25 or 29 because the angle is clearly obtuse
And
Angle MPQ is the same as LMN
If you take 125 and subtract 50 from it (because you need to add 50 to 3x) you get 75
After that you need to divide 75 by 3 because 3 is multiplied by x
You should get 25
Therefore X=25
If X=25 then 5x is 125

Nine less than six times a number -15

Answers

Answer:

9-(6×X)=15

Step-by-step explanation:

hope this helsp

Answer:

x= -7.66

Step-by-step explanation:

Let the number be x

According to the question

9(6×x )= -15

9(6x)= -15

54×9x= -15

9x= -15-54

9x =-69

x= -69/9

x = -7.66

What is the sum of F(X) and G(x) if F(x) = 8x ^ 3 + 7x ^ 2 - 11x + 20 and G(x) = - 5x ^ 3 - 4x ^ 2 - 17

Answers

Answer:

[tex]3x^{3}+3x^{2}-11x+3[/tex]

Step-by-step explanation:

f(x) + g(x) = [tex]8x^{3}+7x^{2}-11x+20-5x^{3}-4x^{2}-17[/tex]

To make this equation a little less long, we combine like terms

[tex](8-5)x^{3}+(7-4)x^{2}-11x+(20-17)[/tex]

or just

[tex]3x^{3}+3x^{2}-11x+3[/tex]

Please help me ! Today 11/6/2020 :(

Answers

i believe the answer is c, TSR

1 pound of blueberries cost $2.75 yes or no

Answers

Answer:

Step-by-step explanation:

cause I don't really know

Find an expression which represents the difference when (2 + 4y) is subtracted
from ( 8x + 3y) in simplest terms.

Answers

Answer:

Simplifying 6x * 3y * 9x2y4 Reorder the terms for easier multiplication: 6 * 3 * 9x * y * x2y4 ... When you enter an expression into the calculator, the calculator will simplify the ... For addition and subtraction, use the standard + and - symbols respectively.

Step-by-step explanation:

which image shows the opposite of the opposite of `2/3` on a vertical number line

Answers

Answer:

Step-by-step explanation:

only one with negative 1

A group of friends were working on a student film. They spent $712 on costumes, which was 89% of their total budget. What was the total budget for their student film?

Answers

Answer:

800

Step-by-step explanation:

you divide 712 by .89

Solve the inequalities

Answers

Answer:

x=3

Step-by-step explanation:

[tex]-15x+32=13\\-15x=13-32\\-15x=-45\\x=-45/-15\\x=3[/tex]

Step-by-step explanation:

To Solve This Equation You will need to

follow this;

Original Equation;

-15x+32=-13

•(Firstly you will Group Like Terms)

-15x=-13-32

•(After Grouping you will go ahead and simplify)

-15x=-13-32

(You will have to add the two negative numbers and note that negative plus negative is still negative even though there is no addition sign there but you'll add them because when there is two negatives without a multiplication or division or any other sign you have to add)

-15x=-13-32

-15x=-45

(Then you proceed to divide both sides by -15)

x=3

This is because -45 divided by -15 is positive 3

Positive 3 because the negative signs cancel each other out.

What is an equation of the line that passes through the point (8,0) and is parallel to
the line 2 -4y = 20

The topic of this is parallel and perpendicular through points!!

Answers

Answer:

i think y=0

Step-by-step explanation:

joseph is shopping for school supplies he can buy a box of 24 pens for $4.32 or a box of 36 pens for $5.76. which is a better buy

Answers

I would say it’s better to buy the 36 box pens. 24\4.32=5.6 on the other hand the box of 36 is 36/5.76=6.25

Which entry describes electromagnetic energy?

Answers

Answer:

energy D

Step-by-step explanation:

Enter the product. Use expanded form to help.
5 X 64
=

Answers

Answer:

Step-by-step explanation:

Multiplying In Expanded form;

We are multiplying ×64 in expanded form is;

In multiplying in expanded form you multiply them separately;

60 multiplied by 5 which is going to be; 300

4multiplied by 5 is going to be; 20

Then you add the products from multiplying the separate numbers which is;

300+20

=320

Dillon is packing equal quantities of pretzels and crackers for snacks. Dillon bags the pretzels in groups of 5 and the crackers in groups of 11. What is the smallest number of crackers that he can pack?

Answers

He can pack 2. In each group with 1 left over

-6n + 3= 45
how do you solve this

Answers

Answer:

n= -7

Step-by-step explanation:

subtract 3 from both sides,-6n=42,divide both sides by -6

Answer:

[tex]\boxed{n = - 7}[/tex]

Step-by-step explanation:

[tex] \boxed{you \: solve \: by \: making \to n :} \\ the \: subjet \: of \: the \: equation \to \: \\ it \: means \: making \: \to \: n : to \: stand \: on \: its \: own \to \\ - 6n + 3 = 45 \\ - 6n = 45 - 3 \\ - 6 n= 42 \\ \frac{ - 6}{ - 6} n = - \frac{42}{6} \\ \boxed{n = - 7}[/tex]

Other Questions

Tell whether the events are independent or dependent. Explain. 1. You spin a spinner twice. First Spin: You spin a 2. Second Spin: You spin an odd number. 2. Your committee is voting on the leadership team. First Vote: You vote for a president. Second Vote: You vote for a vice president. You spin the spinner and flip a coin. Find the probability of the independent events both occurring. 3. Spinning an odd number and flipping heads 4.Not spinning a 5 and flipping tails You randomly choose one of the tiles. Without replacing the first tile, you choose a second tile. Find the probability of the dependent event(s) both occurring. 5. Choosing a 6 and then a prime number 6. Choosing two odd numbers 7. You randomly pull two bills from your wallet. What is the probability they are both $20? You roll a number cube twice. Find the probability of the compound event. 8. Rolling two numbers whose sum is 2 9. Rolling an even number and then an odd number 2xy^2 ( - 3x^2 y^2 + 4x) what is the equation of the line that passes through the point (4,-5) and is parallel to the line y=1/2x+5 which equation describes the nth term of the arithmetic sequence 2, -1, -4, -7 Maria spends 910 hours on her art project. Juan spends 26 hours on his art project. Which answer is the most accurate estimate for how much more time Maria spends on her art project than Juan spends on his? A 0 hours B12 hour C34 hour D1 hour A sinking fund is established to discharge a debt of $20,000 in 15 years. If deposits are made at the end of each 6-month period and interest is paid at the rate of 5%, compounded semiannually, what is the amount of each deposit? (Round your answer to the nearest cent.) What is the Lost Cause movement in the United States? Why did some parents support child labor? Polonium crystallizes in a simple cubic unit cell with an edge length of 3.36 .a. What is the mass of the unit cell?b. What is the volume of the unit cell?c. What is the density of polonium? Write the equation of the line that passes through (-3, -20) and (1,4). Which propaganda technique does this passage use?O plain folksO scapegoatO bandwagonO glittering generalitiesRead the passage from Animal Farm."What is that gun firing for?" said Boxer."To celebrate our victory!" cried Squealer."What victory?" said Boxer. His knees were bleeding,he had lost a shoe and split his hoof, and a dozenpellets had lodged themselves in his hind leg."What victory, comrade? Have we not driven the enemyoff our soil the sacred soil of Animal Farm?""But they have destroyed the windmill. And we hadworked on it for two years!""What matter? We will build another windmill. We willbuild six windmills if we feel like it. You do notappreciate, comrade, the mighty thing that we havedone. The enemy was in occupation of this very groundthat we stand upon. And now-thanks to the leadershipof Comrade Napoleon--we have won every inch of it Is -2.75 greater than -3.25? HURRY! Find the zero of the function f(x) = -8x + 4.a. -1/2b. 2c. -2d. 1/2 Please select the best answer from the choices providedABCD PLEASE HELP ME FOR TEST!What did the Democrats gain from the Louisiana State Constitution of 1845?abolition of slaverymore representation for business ownersgovernment aid for businessesuniversal manhood suffrageWhat changes did Governor Claiborne make regarding African Americans in Louisiana? Check all that apply.He prevented enslaved persons from buying their own freedom.He assigned white leaders to African American militia units.He defined the jobs and positions enslaved persons could take on.He established limits on the number of slaves a person could own.He adopted a new slave code that limited the rights of enslaved people.What change did Governor Claiborne make to the Louisiana parish system?He added additional parishes and appointed priests to oversee them.He reduced the number of parishes and established local townships.He eliminated the term parish and divided the state into 12 counties.He created parishes exclusively for whites and others for free people of color. -4(1+ 5-6- (42+5)I really need the answer asap please and thanksss The temperate grasslands biome includes regions of several continents. What do all of the regions have in common? A. the same species of grazing animals B. the same species of grasses C. the same seasonal patterns of temperature and precipitation D. the same amount of land that is covered in grasses]Please answer quick will give you brainliest Pleaseee answer I will give brainiest if it helps me Develop an argument that evaluates the extent to which belief systems affected at least two land-based states in Asia or Europe differently in this period. determine whether or not the two triangles below could lie on the same graphed line In "The Return of a Private," what is Edward Smith really praising when he praises his wife's biscuits?A. his wifeB. his countryC. his childrenD. his hometown

Solve: 2x + 15 = -3x Please help me out! I need to solve for X

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Solve: 2x + 15 = -3x
Please help me out! I need to solve for X