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Black_prince [1.1K]
3 years ago
11

Expand & simplify5(9+6) + 3(9+3)​

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
4 0

Answer:

<h2>HOPE IT WILL HELP UH</h2><h2>MARK ME AS A BRAINLIST AND FOLLOW ME </h2>

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Whats 15-b=4b-5(5-3)
Gala2k [10]

15-b=4b-5(5-3)

Multiply the bracket by -5

(-5)(5)=-25

(-5)(-3)=15

15-b=4b-25+15

15-b=4b-10

Move 15 to the other side

Sign changes from +15 to -15

15-15-b=4b-10-15

-b=4b-25

Move 4b to the other side.

-b-4b=4b-4b-25

-b-4b=-25

-5b=-25

divide both sides by -5

-5b/-5=-25/-5

Answer: b=5

5 0
3 years ago
A rectangular cutting borad is 10 inches wide and 19 inches long. what is it area?​
Sauron [17]

Answer:

190 inches²

Step-by-step explanation:

4 0
3 years ago
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How to find the area of 2 half circles and a rectangle
gladu [14]
Hello!

We use different formulas to calculate the areas of different shape.

RECTANGLE:

To find the area of a rectangle, we must simply multiply its length by its width. The formula for its area is:

A = l × w

SEMICIRCLE:

Since the formula for a circle is pi × r × r, we must use the same formula but divide it in half, because a semicircle is a half circle, which is why its area would also be half of a circle's. The formula for a semicircle's area is:

A = 1/2 pi × r × r

Tip:

Write these formulas down and memorize them so that you don't forget them. You'll have to use these formulas quite often when finding the area of these shapes.



6 0
3 years ago
Quinn tried to evaluate an expression step by step. which step did she do wrong there is a selection for not mistake
harkovskaia [24]

Answer:

Quinn did not make a mistake. This is because everything she did is correct and also if we calculate the expression without doing anything she did, we see that she has the right answer.

4 0
3 years ago
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Can someone help me please
Sladkaya [172]
Here are you

Have a good day

3 0
3 years ago
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