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3 years ago

What is the solution to the equation

Mathematics

1 answer:

Dimas [21]3 years ago

6 0

Answer:

D) 21!

Step-by-step explanation:

So what we are dealing with here is some fractions that need to be made equal

Think about the fractions 1/2 and 2/4. They look different, right?

Well really, they are equal to another. All we need to do is simplify them!

If we divide the numerator and denominator (the top and bottom) of the fraction by, lets say, 2!

2 / 2 = 1

- -

4 / 2 = 2

And viola! It's been simplified down, and now we can see they are alike!

2 pieces of a pie cut in 4 pieces is the same as 1 piece of a pie cut in half!

(pro-tip, always try dividing a fraction by 2 first)

So now, using the same principal, we can solve this problem

By taking the denominators and dividing them like this:

35 / 5 = 7

We get 7! Now since we need to make these fractions equal, lets multiply the 7 we just got by the numerator of the second fraction, 3

7 x 3 = 21

So if we put the 21 over the 35, we get 21/35!

Thus, our answer is 21!

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Pyramid A and Pyramid B are similar. Pyramid A has a volume of 648 m and Pyramid B has a

ryzh [129]

Answer:

the ratio of the surface area of Pyramid A to Pyramid B is: $\frac{36}{49}$

Step-by-step explanation:

Given the information:

Pyramid A : 648 $m^{3}$
Pyramid B : 1,029 $m^{3}$
Pyramid A and Pyramid B are similar

As we know that:

If two solids are similar, then the ratio of their volumes is equal to the cube

of the ratio of their corresponding linear measures.

<=> $\frac{Volume of A }{Volume of B}$ = $(\frac{a}{b}) ^{3}$ = $\frac{684}{1029}$ = $\frac{216}{343}$

<=> $\frac{a}{b} =$ $\frac{6}{7}$

Howver, If two solids are similar, then the n ratio of their surface areas is equal to the square of the ratio of their corresponding linear measures

<=> $\frac{surface area of A}{surface area of B} =( \frac{a}{b}) ^{2}$

= $\frac{36}{49}$

So the ratio of the surface area of Pyramid A to Pyramid B is: $\frac{36}{49}$

7 0

3 years ago

PLEASE HELP WITH SERIES AND SEQUENCES!

Bingel [31]

Answer:

145(145) I feel like it is but I can be wrong just try this but if not I don't know

Step-by-step explanation:

13+21=34+29=63+37=100+45=145

4 0

2 years ago

How many lines of symmetry does a 15 sided polygon have?

DedPeter [7]

Answer: 15 lines of symmetry.

Step-by-step explanation:

4 0

3 years ago

3) A recipe calls for 2s of sugar for every 1/2 teaspoons of vanilla. What is

Elis [28]

Answer:

the ratio is 1 ⅓ to 1; and the unit rate is: 1 ⅓

hope it helps :)

6 0

3 years ago

What will be number of zeros in the square of the number 100? pls answer fasttttttttttt

Nana76 [90]

Answer:

Step-by-step explanation:

The square of 100 means that 100 is being multiplied by itself. So the square of 100 is 100x100 = 10,000

Whenever you multiply a number by a multiple of 10, you simply add the number of 0s onto the end of the original number, so 100 originally has 2 zeros, so multiplying by 100 will add on another 2 zeros.

So, the number 10,000 which is the square of 100 has 4 zeros.

Hope this helped!

4 0

3 years ago