Please help fast this is for my sister and I don't understand (30 points)

Answers

Answer 1

Answer:

I don’t get most of it, but I believe “doubles” means two of the same number added together. For example, 9+9 is a double. I think “doubles +1” means a double and add one. For example, 6+6+1. If I were your sister, I would write “9+9 = 18” for doubles and “6+6+1 = 13” for doubles +1.

I hope I helped!

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F(x)=3(x+5)+4/x, what is f(a+2)

Answers

the answer would be= -2fx+3x^2+15+a/fx

a cookie recipe calls of 4 cups of flour to 3 cups of sugar. For each cup of flour that is used, how many cups of sugar are needed

Answers

We need to find the sugar to flour ratio.

It is 3 cups of sugar to 4 cups of flour.

3 : 4

3 divided by 4 is 3/4.

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A store advertises 15% off an item that regularly sells $300.what is the sale price off the item?

Answers

15% of $300

= (15/100) * 300

= 45

The sale price = 300 - 45 = 255

Sale price = $255

im pretty sure the price would have to be 255 (:

What is the diameter of a circle with a circumference of 84.78 inches? Use 3.14 for π. Enter your answer in the box.

Answers

Answer:

d=26.9863

Step-by-step explanation:

to find the diameter divide the circumference by 3.14

hope this helps

stay safe

brainliest is appreciated :))

Answer:

your answer would be 26.99 or 27

Step-by-step explanation:

Hope this helps

Write a real world problem that can be represented by 10x + 40 = 100.

Answers

10x + 40 = 100

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40⁰
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