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2 years ago

Can someone please tell me if this is correct if it’s not can u tell me what’s the correct answer

Mathematics

1 answer:

bearhunter [10]2 years ago

8 0

Answer:

2. option D and 3. option A

Step-by-step explanation:

2. 7 + y = 30

7 - 7 + y = 30 - 7

y = 23

3. w - 32 = 55

w - 32 + 32 = 55 - 32

w = 87

Basically the answers you choose are right. Hope this helps, thank you :) !!

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What solution do 2x2 - 13x + 21 = 0 and 2x2 + 9x - 56 = 0 have in common? Round your answer to the nearest tenth if necessary.

lys-0071 [83]

So if we want to know the common solution(s) to a system of 2 equations, So we can just set both equations equal to each other and solve for the x value(s). That’s where I start below;

2x^2-13x+21 = 2x^2+9x-56
2x^2 cancels out and moving everything to one side and anything with an x variable to the other side we have then;
-22x=-77
22x=77 by cancelling the negative signs
x=77/22 therefore x=7/2 or 3.5

Hope this helps you. Any questions please ask.

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3 years ago

If the radius of the circle is 7.2cm what is the circumference to the nearest tenth?

Aleksandr-060686 [28]

Answer:

About 45.22

Step-by-step explanation:

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2 years ago

If a number is positive, then it is a whole number and an integer.

GaryK [48]

Answer:

c then d my man I got you maybe

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2 years ago

Q28. In a sale, the normal price of a book is reduced by 30%. The sale price of the book is £2.80 Work out the normal price of t

lisov135 [29]

Answer:

0.90

Step-by-step explanation:

090. = 0.90

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2 years ago

Sheldon needs to buy 8 gallons of ice cream,

kolbaska11 [484]

Answer:

The larger size container and the Cold farms is the better deal for Sheldon.

Step-by-step explanation:

Given:

1 gallon = 8 pints

$2.50 \times 8 =20$

Multiply the gallons to 20

8 × 20 = 160

Then, the large size is 18.

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Therefore, the larger size container and the Cold farms is the better deal for Sheldon.

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2 years ago

Read 2 more answers