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3 years ago

Can someone help? I'm super confused :(

Mathematics

1 answer:

Greeley [361]3 years ago

7 0

Answer:

40 degrees

Step-by-step explanation:

Hi, so basically angles AOB and BOC added together equal angle measure AOC. First, we have to substitute the values in.

108=(3z+4)+(8z-28)

Then, combine like terms

108=11z-24

Add 24 to both sides

132=11z

Divide both sides by 11

12=z

So now all we need to do to find measure AOB is substitute 12 for z in the given equation (AOB=3z+4)

AOB=3(12)+4

AOB=36+4

AOB=40

Hope this helps, let me know if you're still confused!

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2+2, you guys were helpfulllll.<br> : )

katrin2010 [14]

Answer:

The correct answer is 2+2=4

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2 years ago

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nika2105 [10]

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2 years ago

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viva [34]

The value of the angle shown in the protactor is 50° and the value of y is 10°.

<h3>How to calculate the values?</h3>

The value of y will be:

2y + 30 = 3y + 20

3y - 2y = 30 - 20

y = 10

The value of x when they're complementary will be:

5x - 2 + 3x + 4 = 90

8x + 2 = 90

8x = 90 - 2

8x = 88.

x = 88/8 = 12

The value of angle FDE will be:

3x + 10 + 6x + 8 = 180

9x + 18 = 180

9x = 180 - 18

9x = 162

x = 162/9

x = 18

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1 year ago

Melissa made a school banner 3 yards long and 11/12 yard wide what is the area of the banner?

Taya2010 [7]

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2 years ago

At the mall, buying a pair of shoes and buying a book are independent events.The probability that a shopper buys shoes is 0.20.

Goryan [66]

Answer: Probability that a shopper buys shoes and a book is 0.02.

Step-by-step explanation:

Since we have given that

Event A : Buying a pair of shoes

Event B: Buying a book

Since A and B are independent events.

Probability that a shopper buys shoes i.e.

P(A) = 0.20

Probability that a shopper buys a book i.e.

P(B)=0.10

So, we need to find the probability that a shopper buys shoes and a book is given by

$P(A\ and\ B)=P(A\cap B)=P(A).P(B)\\\\P(A\cap B)=0.20\times 0.10\\\\P(A\cap B)=0.02$

Hence, Probability that a shopper buys shoes and a book is 0.02.

3 0

2 years ago

Can someone help? I'm super confused :(​

Can someone help? I'm super confused :(