3 years ago

What is the value of y?

Mathematics

1 answer:

Molodets [167]3 years ago

4 0

B, because
3/15=x/75
75/15=5
3*5=15
15 is your answer.

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Helen [10]

Answer:

yo answer woud be b √5/4

Step-by-step explanation:

5 0

3 years ago

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Is 8/10 equal to 25/30

kotykmax [81]

No! 8/10 is not equal to 25/30 10 times 3 equals 30 but 8 times 3 equals 24 not 25. Th actual reaction would be 24/30

7 0

3 years ago

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If the area rectangle below us 39 square feet find the x value

Leya [2.2K]

Answer:

x=5 and x=-11

Step-by-step explanation:

(x-2)(x+8)=39

$x^2+6x-16=39$

Subtract 39 from both sides

$x^2+6x-55=0$

Factor:

(x-5)(x+11)=0

Set factors to 0.

x-5 =0

x+11 =0

x=5, x=-11

7 0

4 years ago

Here is the other part sorry

PSYCHO15rus [73]

Answer:

1) 32/5

2) 19/8

3) 34/7

4) 25/3

How to do this

You take the denominator (the number on the bottom), multiply it by the whole number (like in 1, 5*6=30) then add the numerator (the top number) (so 30+2) then add on top of the denominator before you changed anything (32/5)

4 0

4 years ago

Is 5.1 x 10^-8 in scientific notation?

andrezito [222]

Yes, it's in scientific notation.

5 0

3 years ago