What is the solution to the system?

y = 4x + 20
8x - 2y = -20

Answers

Answer 1

Answer:

-no solution-

Step-by-step explanation:

When solving problems for systems of equation. You first want to make one of the equations equal to one variable on a side of the equation. In this case, we already have an equation that equals a variable on one side: y = 4x + 20.

you plug in that variable to the other equation

8x - 2(4x + 20) = -20

and then you just solve the equation from there.

8x - 8x + 20 = -20

but by just looking at this, there will be no solution because 8x-8x makes the variable x disappear and 20 does not equal -20.

Answer 2
The answers would be
1. Y=-5
2. 2.5

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The answer will be 0 because zero cannot be divided by itself or any number
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1/3 of a pumpkin pie

What was the initial price of a t-shirt if, after a 25% discount, it cost $12?
Please show how you answered it! I need to learn and get the answer too

Answers

Answer:

16

Step-by-step explanation:

IT MEANS 75% OF THE TOTAL PRICE IS $12 AS ITS 25% DISCOUNT.

THEREFORE, 12/75 X 100 = 48/3= 16

Evaluate the expression shown using the given information. Input either whole numbers or decimals.
23.7 – y ____ y = 10

Answers

Answer:

23.7 - 10 = 13.7

Step-by-step explanation:

Question

23.7 - Y (____)   Y = 10

                                                                                                                                     

Answer

So the starting number is 23.7 if Y = 10 and we have to subtract the answer would be (13.7)

Hence, all that information all we had to do was subtract 23.7 - 10 = 13.7

HELP PLEASE!

7.2 < x + 4.2.​

Answers

Answer:X=4.2

Step-by-step explanation:

Answer:

x>3

Step-by-step explanation:

What's The Answer? Good Luck!

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I guess b it should be
B......is the answer......

How many quarts are in 4 gallons

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Answer:

16

Step-by-step explanation:

Pls help it is due today

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It’s the 4th bubble that is so ez lol

Can someone plz help me with this one problem!!!

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Answer:

no

Step-by-step explanation:

-17 does not equal -20.

hope this helps!

Answer: no

Step-by-step explanation:

Find the value of each expression mentally.


50÷100

Answers

Answer:

Step-by-step explanation: 0.5

Expand the expression

Answers

Answer:

3x-24

Step-by-step explanation:

3x-3(8)

= 3x-24

if my answer helps please mark as brainliest

Answer is 3x-24.......

Plz, Answer if u want brain.


2.15x5=1075
Zoey used 1,075 feet of wood to make shelves.
Identify and explain an error
correct the work.
Share a strategy.
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She forgot to add in 2 decimal places.
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What is the GCF of -16y^4+12y^2-4y and why is that the GCF ?

Answers

Answer:

24

Step-by-step explanation:

Please can someone help me out with this problem? I need the answer ASAP

Answers

Answer:

First option, if not then its the 3rd

Step-by-step explanation:

The answer is C . Cause the slope of the graph represents the number of items bought . It’s easy math . Can I get marked the brainlest?

PLEASE HURRY!!!
Shaquille, Lyle, and Amanda collect stamps. Shaquille has one-half the number of stamps that Lyle has. Amanda has two-thirds as many stamps as Lyle. Together they have 364 stamps. How many stamps does Amanda own?

Answers

amanda owns 112 stamps

Answer:

Amanda has 112 stamps

proof:

Lyle has 168 stamps

Shaq has 84 stamps

Step-by-step explanation:

S = number of stamps Shaquille has

L = number Lyle has

A = number Amanda has

S = 1/2L

A = 2/3L

S + L + A = 364

substituting for S and A

1/2L + L + 2/3L = 364

reduce

2 1/6L = 364

divide both sides by 2 1/6

L = 168

S = 1/2(168) = 84

A = 2/3(168) = 112

Heather buys 2 loaves of bread at $1.45each, 3 cans of soup at $0.50 each, and a pound of butter for $2.50. She gives the check-out clerk a bill and gets $3.10 in change. What bill did she give the clerk?

Answers

Step 1:
Work out how much 2 loaves of bread was
1.45 x 2 = 2.9

Step 2:
Work out how much 3 cans of soup cost
0.5 x 3 = 1.5

Step 3:
Add up all the prices
1.5 + 2.9 + 2.5 = 6.90

Step 4:
Add the total of the items with the change
6.90 + 3.10 = 10.00

Step 5:
Answer
Heather gave the clerk a $10 bill

Type your response in the box. Jamie and Chuck collected data on math scores in their respective classes. The two students created the same box plot. Determine whether one of the students made a mistake while constructing the box plot. Explain your answer. Jamie’s Data 64 90 70 55 82 72 68 60 65 90 80 70 80 65 40 48 52 80 60 60 60 Chuck’s Data 58 64 64 71 82 62 65 86 40 52 78 90 72 58 62 69 85 88 58 69 63

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Answer Jamies datab is greater than chuck,s data

Step-by-step explanation:

PLS PLS HELP ME ILL GIVE BRAINLIEST

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Answer:

It's no. C

Step-by-step explanation:

The answer is B! All of the points line up with the answer choice of B. Hope this helps! Brainliest please

Pabalo is training for a race. His goal is to run 8.5 miles over the next 3 days. This distances he ran each day are shown in the table.

Answers

Answer:

He ran a total of 8.439 miles. Over the three days he ran less than he needed to for his goal, he has to run 0.061 more miles to gain his goal

Step-by-step explanation:

simple! add all of the data numbers and you get a total of 8.439 miles. He has to run 8.5 miles but he does not reach that. he has to run 0.061 miles to gain his goal (8.5-8.439) I hope this helps! (got here as soon as possible)

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Answers

Answer:

74

Step-by-step explanation:

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then you will get 4 then subtract 78 by 4

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Which situation can be represented by y = 10x?

John is y years old. This is 10 years older than his brother who is x years old.

Yope has y dollars. Her sister, Mai, has x dollars which is 10 less than Yope.

A bakery prepares y loaves of bread using 10 pounds of flour, with each loaf weighing x pounds.

A museum charges $10 per person for admission. The museum collects y dollars per x persons.

Answers

I believe it’s D) A museum charges $10 per person for admission. The museum collects y dollars per x persons.

Answer:

4

Step-by-step explanation:

It is the last one because 10x is 10 dollars per person, and we do not know how many people are getting admitted. The amount of money is Y because we still do not know how many people.

There are different ways ro think about 2 2/5 - 1 1/5

Select four ways to find 2 2/5 - 1 1/5.

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Answers

Answer:

/

Step-by-step explanation:

i made anotherrr ehehheh hope you two make it to this one

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Answer:

cool thx i hope you have a great day

Ben drinks tea at an incredible rate. He drinks 7/2 liters of tea every ⅔ of an hour. How many liters of tea did he drink in one hour. Show your work.

Answers

Answer:

[tex]\frac{21}{4}[/tex] or 5.25 litres

Step-by-step explanation:

Hi there,

Since 1 hour is equivalent to [tex]\frac{3}{3}[/tex] and we have the amount for [tex]\frac{2}{3}[/tex] of an hour, we can find the amount Ben drinks for [tex]\frac{1}{3}[/tex] hour and multiply by 3.

To find the amount Ben drinks in [tex]\frac{1}{3}[/tex] hour, we should divide the amount at [tex]\frac{2}{3}[/tex] hour by 2.

[tex]\frac{7}{2}[/tex] ÷ 2 = [tex]\frac{7}{4}[/tex]

Now that we know the amount at [tex]\frac{1}{3}[/tex] hour, we can multiply by 3 to determine the amount of tea he drank in one hour.

[tex]\frac{7}{4}[/tex] × 3 = [tex]\frac{21}{4}[/tex]

Therefore, Ben drank [tex]\frac{21}{4}[/tex] or 5.25 litres of tea in one hour.

Hope this answer helps. Feel free to ask questions.

Cheers.

what is 2/3 of 16 (please and thank you)

Answers

Answer:

     _

10.6

hope dis helps ^-^

The requried value of 2/3 fraction  of 16 is 10 and 2/3, or approximately 10.67.

To find 2/3 of 16, you can multiply 16 by the fraction 2/3:

(2/3) * 16 = (2 * 16) / 3

Now, calculate the numerator:

2 * 16 = 32

So, the result is:

(2/3) * 16 = 32 / 3

Next, simplify the fraction:

(2/3) * 16 = 10 and 2/3 or 10.67 (rounded to two decimal places)

Therefore, 2/3 of 16 is 10 and 2/3, or approximately 10.67.

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Redo !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! the problem is in the imaage


Pretend we have a new student in class. Explain step by step how they need to solve this problem. Make sure to explain the order of operations.

Answers

The answer is: 40
Step by step explanation:

Write an equation to represent the amount of water in the bucket, y, in terms of the number of minutes, x, since the faucet was turned on

Answers

Answer:

y= 3x+125

Step-by-step explanation:

y intercept is 125

gradient is 3

y=Mx+c

y=3x+125

Answer:

y = 75x + 125

Step-by-step explanation:

Write in form y = mx + b

75 is the slope (m)

125 is the y-intercept (b)

So the equation would be y = 75x + 125.

BTW, the slope is written in rise/run form. For this graph, it is 75/1.

Hope this helps!

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What is 3/25 x 10 as a fraction in simplest form

Answers

6/5
EXPLANATION
3/25 x 10/1
30/25
Reduce
6/5

The fraction (3/25) multiplied by 10 in simplest form is 6/5.

What is a fraction?

A fraction is written in the form of p/q, where q ≠ 0.

Fractions are of two types they are proper fractions in which the numerator is smaller than the denominator and improper fractions where the numerator is greater than the denominator.

Given a fraction (3/25) which is multiplied by 10.

∴ (3/25)×(10/1).

= (3×10)/(25).

= 30/25.

= 6/5.                                (we have divided each term by 5)

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What are the variables in 3r + 2u + 7 + 5 + 4u + r

Answers

The variable terms are
3r, 2u, 4u, 1r,
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