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3 years ago

Write the equation: 5 more than 3 times a number is 20

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

8 0

Step-by-step explanation:

5 +3x =20

That is it. The unknown number is regarded as x

zlopas [31]3 years ago

3 0

5+3n=20

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Find the volume of the spheres/hemispheres

JulsSmile [24]

Answer:

38km

Step-by-step explanation:

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2 years ago

Is 3 a rational number or an irrational number

Sati [7]

It is a rational number

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3 years ago

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For the following exercises, find (f ∘ g)(x) and (g ∘ f)(x) for each pair of functions.

Rufina [12.5K]

Answer:

The value of $(f \circ g)(x)$ is 17-18x and $(g \circ f)(x)$ is -7-18x.

Step-by-step explanation:

It is given in the question functions f(x) as 3x+2 and g(x)=5-6x.

It is required to find $(f \circ g)(x)$ and $(g \circ f)(x)$ .

To find $(f \circ g)(x)$ , substitute g(x) for x in f(x) and simplify the expression.

To find $(g \circ f)(x)$ , substitute f(x) for x in g(x) and simplify the expression.

Step 1 of 2

Substitute g(x) for x in f(x) and simplify the expression.

$\begin{aligned}&(f \circ g)(x)=f(5-6 x) \\&(f \circ g)(x)=3(5-6 x)+2 \\&(f \circ g)(x)=15-18 x+2 \\&(f \circ g)(x)=17-18 x\end{aligned}$

Step 2 of 2

Substitute f(x) for x in g(x) and simplify the expression.

$\begin{aligned}&(g \circ f)(x)=g(3 x+2) \\&(g \circ f)(x)=5-6(3 x+2) \\&(g \circ f)(x)=5-18 x-12 \\&(g \circ f)(x)=-7-18 x\end{aligned}$

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1 year ago

The quantities x and y are proportional.

irga5000 [103]

Answer:

r=1/4

Step-by-step explanation:

y=1/4*x

2=1/4*8

1/4*8=2

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2 years ago

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There are 285 people at the library. Then 127 more people come into the library

tamaranim1 [39]

Answer:

266.

Step-by-step explanation:

You want to take 285, and add 127 to that. You get 412. Subtract 146, and you get 266.

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2 years ago