2 years ago

The space shuttle makes an orbi

Mathematics

1 answer:

tamaranim1 [39]2 years ago

4 0

The space shuttle makes an ORBIT

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If 25% of a number is 75 find the number

avanturin [10]

Answer:

x = 300

Step-by-step explanation:

of means multiply and is means equals

25% * x = 75

Change to decimal form

.25x = 75

Divide each side by .25

.25x/.25 = 75/.25

x = 300

8 0

3 years ago

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How can you know if this equation is true? 1/2 + 3/8 = 4/10 = 2/5

romanna [79]

Answer:

<h2>2. Because 25<12, this equation can not be true.</h2>

Step-by-step explanation:

I just solved the equation and 1/2 + 3/8 = 7/8 or 87.5%.

4/10 equals 40%.

Since these two do not sync up, the equation must be false and 2 is the only answer saying the equation is false.

I'm always happy to help :)

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3 years ago

F = uv/u + v make u the subject

never [62]

I'm assuming that you mean

$\dfrac{uv}{u+v}$

because if you meant

$\dfrac{uv}{u}+v$

then u would simplify and you couldn't make it the subject.

Under this assumption, we start with

$F=\dfrac{uv}{u+v}$

We multiply both sides by $u+v$

$F(u+v)=uv$

We expand the left hand side:

$Fu+Fv=uv$

We move all terms involving u to the left and all terms not involving u to the right:

$Fu-uv=-Fv$

We factor u on the left hand side:

$u(F-v)=-Fv$

We divide both sides by $F-v$

$u=\dfrac{-Fv}{F-v}$

3 0

3 years ago

Is 56 ft, 65 ft, 16 ft a right triangle

Debora [2.8K]

No, it isn't a right triangle.

7 0

2 years ago

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I don't know i just need help with this quiz ok

ololo11 [35]

The answer is 73....

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3 years ago