4 years ago

Find the missing number in this proportions

Mathematics

1 answer:

iren2701 [21]4 years ago

5 0

Answer:

Step-by-step explanation:

If 28 ends up becoming 4, 7 is what they have to divide to make 4 a numerator. That means you have to divide 63 by 7 which would make 9.

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The Grade 8 students had a graduation dinner. They paid a flat rate of $125 for the use of the hall, plus $13 for each student w

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Step-by-step explanation:

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3 years ago

Fill in the missing number to complete the equivalent fraction show what you multiply or divided by convert each improper fract

lorasvet [3.4K]

Answer:

3a) 5/45 you divide by 5

3b) 6/7 you divide by 2

3c) 2/7 you divide by 9

3d) 2/5 you divide by 9

4a) 6

4b) 1 1/4 or 5/4 (both are correct)

4c) 3 1/2 or 3 3/6 (both are correct)

4d) 5 1/8

The fraction bar tells you to divide the top number by the bottom number.

Step-by-step explanation:

For 3a through 3d, you just use the fraction that has a missing number, and if the missing number is at the bottom, use the top number and devide it by the other top number that the fraection is equal to.

For 4a through 4b, devide the top the bottom number

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3 years ago

Please help please and thank you

Katyanochek1 [597]

Step-by-step explanation:

$\text{We know:}\\\\\sin(-\alpha)=-\sin\alpha\\\\\sin(\alpha\pm k\cdot360^o)=\sin\alpha\\\\===============================\\\\\sin(360^o-\theta)=\sin\bigg(-(\theta-360^o)\bigg)=-\sin(\theta-360^o)=-\sin\theta$