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1 year ago

BRAINLIEST IS YOU ANSWER FAST!

Mathematics

2 answers:

horrorfan [7]1 year ago

8 0

Answer:

30 is the answer!

Step-by-step explanation:

Hope you a great day!

alexgriva [62]1 year ago

6 0

The measure of AB would be 30. Just Subtract 150 from 180.

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For all the values of x, f(x)=x²+3 g(x)=2x-1 a) find fg(2) b) find gf(2)

erik [133]

Answer:

12 and 13

Step-by-step explanation:

(a)

To evaluate f(g(2)), evaluate g(2) then use the value obtained to evaluate f(x)

g(2) = 2(2) - 1 = 4 - 1 = 3, then

f(3) = 3² + 3 = 9 + 3 = 12

--------------------------------------------

(b)

To evaluate g(f(2)), evaluate f(2) the use the value obtained to evaluate g(x)

f(2) = 2² + 3 = 4 + 3 = 7, then

g(7) = 2(7) - 1 = 14 - 1 = 13

5 0

2 years ago

The volume of a rectangular prism is 5058 cubic inches.

astra-53 [7]

Answer:

412in

Step-by-step explanation:

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2 years ago

12 + 30x neeeeeeeeed heeeeeeeeeeeelp

deff fn [24]

Answer:42x

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

The price per person of renting a bus varies inversely with the number of people renting the bus. It cost $22 per person if 47 p

Ber [7]

If you take the cost times people then decide by new set of people.$22x47=____÷74= 13.972972973

6 0

2 years ago

Read 2 more answers

Explain how you know which method you should use to solve a rational equation.

notsponge [240]

Methods to solve rational equation:

Rational equation:

A rational equation is an equation containing at least one rational expression.

Method 1:

The method for solving rational equations is to rewrite the rational expressions in terms of a common denominator. Then, since we know the numerators are equal, we can solve for the variable.

For example,

$\frac{1}{2}=\frac{x}{2}\Rightarrow x=1$

This can be used for rational equations with polynomials too.

For example,

$\frac{1+x}{x-3}=\frac{4}{x-3}\Rightarrow(1+x)=4 \Rightarrow x=3$

When the terms in a rational equation have unlike denominators, solving the equation will be as follows

$\frac{x+2}{8}=\frac{3}{4}$

$\Rightarrow\frac{x+2}{1}=\frac{3\times8}{4}\Rightarrow{x+2}=2\times3$

$\Rightarrow{x+2}=6\Rightarrow x=6-2\Rightarrow x=4$

Method 2:

Another way of solving the above equation is by finding least common denominator (LCD)

$\frac{x+2}{8}=\frac{3}{4}$

Factors of 4: $1\times2\times2$

Factors of 8: $1\times2\times2\times2$

The LCD of 4 and 8 is 8. So, we have to make the right hand side denominator as 8. This is done by the following step,

$\Rightarrow\frac{x+2}{8}=\frac{3}{4}\times{2}{2}$

we get,

$\Rightarrow\frac{x+2}{8}=\frac{6}{8}$

On cancelling 8 on both sides we get,

$\Rightarrow(x+2)=6\rightarrow x=6-2\rightarrow x=4$

Hence, these are the ways to solve a rational equation.

7 0

2 years ago