Combine like terms to simplify the following expression : 12x+4y-3x+2-8y^2+9

Answers

Answer 1

8

2

+

9

+

4

+

1

1 fgdfgdfgdfgdfg


Related Questions

solve the proportion 10/4=15/x

Answers

X = 6 (and now I gotta keep typing to meet 20 characters)

Solve this please 13 = 8 - 6x

Answers

6x-8=13 start off with adding 8 to 13 then 6x=21 then divide 6 to both sides getting x=3.5

The multiplication property of equality could be used to solve which of the following equations?
OX+2)x-3) = 0
m+7=-12
OD-2) = 18
03+y=7

Answers

Answer:

I pretty sure its C. OD-2) = 18

Step-by-step explanation:

What is the slope-intercept form of the equation of the line containing the point (-5, 1) and having the slope 7?

Answers

Answer:

69

Step-by-step explanation:

N

i

g

g

a

Answer:

y = 7x + 36

Step-by-step explanation: Slope intercept form is y = mx + b where your slope is m, your b is the y-intercept, and x and y are your plot points. To solve this you just plug in the numbers. We already know the slope is 7 so we have our m, now we plug in the coordinate (-5, 1) with -5 as x and 1 as y. Plug them in and now you have the equation 1 = 7(-5) + b. You want to solve for b. So you end up getting b= 36. Now you have your y intercept so your final equation is y = 7x + 36. Hope this helped!!

I WILL GIVE BRAINLIEST Help me please this assignment is due in 10 minutes “If a 40 gram serving of breakfast cereal is 30% sugar. How many grams of the breakfast cereal is in fact pure sugar?”

Answers

Answer:

28 grams are pure sugar

Step-by-step explanation:

40-30% would be 28 pure grams of sugar

Solve by completing the square:
2) 3x2 + 24x - 27 = 0

Answers

X = 1
Or
X= - 9
Sorry if it’s wrong first time doing this!

What is the coefficient in the mathematical expression?

14+2.7x3


14

2.7x³



2.7

Answers

Answer:

14

Step-by-step explanation:

The coefficient is the is the one by it's self with no variables or exponents

Tyler ate x fruit snacks, and Han ate less than that. Write an equation to represent the relationship between the number Tyler ate (x) and the number Han ate (y).

Answers

Tx -yx I believe not sure

Dr. Montgomery recently graduated from medical school and his wife bought him an engraved stethoscope. The stethoscope cost $160.00. The sales tax in his city is 8%. What is the total cost of the stethoscope in dollars and cents including sales tax?

Answers

Answer:

172.8

Step-by-step explanation:

Answer:

172.8

Step-by-step explanation: Dont Trust Me But Its Right B)

The area of a rectangle with a length of 11 feet in 99 square feet. What is the width of the rectangle ?


HELP PLEASE I JUST NEED THIS LAST PROBLEM PLEASE

Answers

if im not wrong i think thats it

Use the graph to answer the question.
Rena's Money
Money Saved
YA
24
22
20
18
8 16-
2 14
12
10
B
6-
8 9 10
4 5
Weeks
Rena is saving money. She starts with $6. She saves the same amount each week. The graph shows how much money Rena has after 8
weeks.
Based on the graph, which statement is true?
O A At week 8. Rena had $30.
OC. Rena saves $1 each week.
OB. At week 9. Rena had $28
OD. Rena saves $2 each week.

Answers

Answer:

Step-by-step explanation:

The answer is D

A football team won 8 games last year. This year, the team won 10 games. What was the percent increase in the number of games won?

Answers

Answer:

8

Step-by-step explanation:

8÷10×100

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Question 1 (1 point)
rCKDCJU8REiqxA77lV1wV2cHFZfr5tUaTGXFyevoxRboy_VmEz4R7wgZXpfqpY_aAOyvKWcTjBhUHdTxvo6W4sP9mOERugsKxruddHPqsR8t4LnexvVvVd_s6pJJJlrYJwHutIwNfwE



What is this an example of?

a
Points Line
b
Point
c
Line intersection
d
point plane

Answers

Answer:

definitely C

Step-by-step explanation:

because the fhitnesss grahm pacer test.....

Mom buys a rectangular rug with an area of 7 1/6 square meters. The length of the rug is 3 1/3 meters. What is the width of the rug?

Answers

Answer:

Step-by-step explanation:

Multiply the length by 2 so, 3 1/3 x 2 then subtract that answer from the area, and you have the width

The width of the rectangle given the area and length of the rectangular rug is 4 3/10 meters

Given:

Area of the rug = 7 1/6 square meters

Length of the rug = 3 1/3 meters

Area of a rectangle = Length × width

7 1/6 = 3 1/3 × w

43/6 = 10/3w

w = 43/6 ÷ 10/3

w = 43/6 × 3/10

w = (43 × 3) / (6 × 10)

w = 129/30

w = 4 9/30

= 4 3/10 meters

Therefore, the width of the rug is 4 3/10 meters

Learn more about area of a rectangle:

https://brainly.com/question/14137384

Henry planted 24 tomato plants and 18 green bean plants in his garden. Simon planted 30 tomato plants and 25 green bean plants in his garden.
The ratio of tomato plants to green bean plants is
A. the same or B. different for the two gardens.

Answers

Answer:

Its different.

Step-by-step explanation:

Henry's garden:

divide 24 and 18 by 6: you get 4:3 ratio of tomato:green bean

Simon's garden:

divide both 30 and 25 by 5: you get 6:5 ratio of tomato:green bean.

Identify the common difference in the arithmetic sequence: 21, 15, 9, 3, -3, ...

Answers

Answer:

the common difference in the arithmetic sequence: 21, 15, 9, 3, -3, ... is 6

Which calculation will ALWAYS give a result greater than 1? A.8/9 × a number less than 1 B.1 2/5 − a fraction less than 25 C. 7 × a number less than 1 D.3/7 + a fraction less than 1/2

Answers

Answer: B.1 2/5 − a fraction less than 2/5

Step-by-step explanation:

Question was not formatted properly and in the proper format, the above is the answer.

1²/₅ - ²/₅ = 1

Any number therefore that is lower than ²/₅ will when subtracted from 1²/₅ give an answer greater than 1 because when ²/₅  was subtracted from  1²/₅, it gave 1 as an answer.

Helpp I will mark brainliestttt

Answers

Answer:

25

Step-by-step explanation:

.45x25+10.00= 21.25

.65x25+5.00=21.25

-1/4d-2/5d=39
Solve for d
Please explain I don’t understand

Answers

Given:

The equation is

[tex]-\dfrac{1}{4}d-\dfrac{2}{5}d=39[/tex]

To find:

The value of d.

Solution:

We have,

[tex]-\dfrac{1}{4}d-\dfrac{2}{5}d=39[/tex]

Taking LCM, we get

[tex]\dfrac{-5d-8d}{20}=39[/tex]

[tex]\dfrac{-13d}{20}=39[/tex]

Multiply both sides by 20.

[tex]-13d=39\times 20[/tex]

Divide both sides by -13.

[tex]d=\dfrac{39\times 20}{-13}[/tex]

[tex]d=-3\times 20[/tex]

[tex]d=-60[/tex]

Therefore, the value of d is -60.

Lois is riding in the country. after riding her bike at a constant speed for 4 hours, she finds that she traveled a distance of 52 miles. Lois wants to know the rate, r, at which she was biking. Drag and drop these tiles to complete the equation Lois could use to determine the rate she was biking.

Answers

she is going 13 miles an hour or 52 divided by 4

Answer:

13 mph

Step-by-step explanation:

When you divide 52 (total miles) by 4 (hours biked) you get 13 as your answer.

help find the value of x. please!

Answers

Answer:

c.4

Step-by-step explanation:

hope it helps ............

find the measure of CDE

Answers

Step-by-step explanation:

Here,

CDE+27+103+50+35=360(BEING THE SUM OF PIE CHART

CDE+215=360

CDE=360-215

CDE=145

(i amnt sure about answer)

28 liters in 2 minutes= ___ liters per minute

Answers

Answer:

14

Step-by-step explanation:

Help !!! ANYBODY PLEASE HELP IM BEGGING U

Answers

Answer:

Step-by-step explanation:

Blue- x+10y-10z

Find c, given that a + 18.2, B = 62, and C =48. Round answer to the nearest whole number. Do not use a decimal point or extra spaces in the answer or it will be marked incorrect

Answers

Answer:

[tex]c=14[/tex]

Step-by-step explanation:

a = 18.2

[tex]\angle B=62^{\circ}[/tex]

[tex]\angle C=48^{\circ}[/tex]

[tex]\angle A=180-(62+48)=70^{\circ}[/tex]

From sine rule we have

[tex]\dfrac{\sin A}{a}=\dfrac{\sin B}{b}=\dfrac{\sin C}{c}[/tex]

[tex]\Rightarrow \dfrac{\sin A}{a}=\dfrac{\sin C}{c}[/tex]

[tex]\Rightarrow c=\dfrac{\sin C}{\sin A}a[/tex]

[tex]\Rightarrow c=\dfrac{\sin 48^{\circ}}{\sin 70^{\circ}}\times 18.2[/tex]

[tex]\Rightarrow c=14.4\approx 14[/tex]

[tex]\boldsymbol{\therefore c=14}[/tex].

3x + 4y - 2(x + 1) + 2(4y - 8) – 25y + 485

Answers

1x - 13y + 475

Step-by-step explanation:

[tex]3x \: + \: 4y \: - \: 2(4y \: - \: 8) \: - \: 25y \: + \: 485[/tex]

3x + 4y - 2x - 2 + 8y - 8 - 25y + 485

3x - 2x + 4y + 8y - 25y - 2 - 8 + 485

1x + 4y + 8y - 25y - 2 - 8 + 485

1x + 12y - 25y - 2 - 8 + 485

1x - 13y - 2 - 8 + 485

1x - 13y - 10 + 485

1x - 13y + 475

HOPE THIS HELPS YOU

4. Find and compare the intercepts of the
functions.
Function A
Function B
4y + x = 12

Answers

Answer:

Function A  intercept: 4

Function B intercept: 3

Step-by-step explanation:

help plssss 67*78(67+89)/5=?


ⁱ ⁿᵉᵉᵈ ʳᵉˡᵃᵗⁱᵒⁿˢʰⁱᵖ ᵃᵈᵛⁱᶜᵉ ʰᵉˡᵖ

Answers

Answer:

whats going on in the relationship?

Ray estimates that it will cost $400,000 to send his daughter to a private college in 18 years. He currently has $90,000 to deposit in an account. What simple interest rate must his account have to reach a balance of $400,000 in 18 years?

Answers

Answer:

the interest rate must be 5.585%

Step-by-step explanation:

What is da answer my bruddas

Answers

Answer:

0.5

[tex]points \: of \: best \: fit \: are \\ (9, 5) \: and \: (1, 1) \\ slope = \frac{(1 - 5)}{(1 - 9)} \\ = \frac{ - 4}{ - 8} \\ = \frac{1}{2} \\ = 0.5[/tex]

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