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3 years ago

PLEASE I REALLY NEED HELP PLEASE!!!!!!

Mathematics

1 answer:

DochEvi [55]3 years ago

7 0

I think that can help for now

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Buy any mistakes in the renaming of the fractions below show the correct remaining 9 / 4 = 9 / 12 2 / 3 + 6 / 12

Klio2033 [76]

Step-by-step explanation:

3/4=9/12 CORRECT

2/3=6/12 FALSE

Step-by-step explanation:

What is done to top of the fraction must be done to the bottom as well in order for the renaming to be true.

3*3 = 9

4*3 = 12

Therefore proven to be true

However,

2*3 = 6

but 3*3 = 9

The second fractions is renamed incorrectly and should be either 2/4=6/12 or 2/3=2/9

Hope this helps!

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3 years ago

How do you use a trend line to make a prediction

Ugo [173]

Answer:

Step-by-step explanation:

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3 years ago

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Is the equation below a sum of cubes<br> 125x3 +169

Archy [21]

Answer:

Step-by-step explanation:

$\text{Because}\\\\125x^3=5^3x^3=(5x)^3\qquad\bold{it's\ a\ cube}\\\\169=13^2\qquad\bold{it's \ a \ square}\\\\125x^3+169=(5x)^3+13^2$

$13-\text{it's a prime number}$

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3 years ago

What is the answer to 2m-6=48

Marrrta [24]

2m-6=48
+6 +6
__________
2m= 42
÷2 ÷2
_________
m=21

m=21 is the answer

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4 years ago

The formula for a trapezoid relates the area A, the two bases, a and b, and the height, h. Solve for a

den301095 [7]

Answer:

$a=\frac{2A}{h}-b$

Step-by-step explanation:

we know that

The formula to calculate the area for a trapezoid is equal to

$A=\frac{1}{2}(a+b)h$

where

a and b are the parallel bases

h is the height of trapezoid

A is the area

<em>Solve for a</em>

That means ----> isolate the variable a

Multiply by 2 both sides to remove the fraction in the right side

$2A=(a+b)h$

Divide by h both sides

$\frac{2A}{h}=a+b$

Subtract b both sides

$\frac{2A}{h}-b=a$

Rewrite

$a=\frac{2A}{h}-b$

8 0

3 years ago