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3 years ago

14

Math again sadly i need help on

2 answers:

dalvyx [7]3 years ago

5 0

Answer:

13x+12

Step-by-step explanation:

27x-14x=13

+12 because there is nothing else there

blsea [12.9K]3 years ago

5 0

Answer:

C subtract 14x from 27x

Step-by-step explanation:

hope this helps have a good rest of your day :) ❤

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15+0.5x=25+0.25x please show how

sveticcg [70]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

x= 40

8 0

2 years ago

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F(x) = x + 4 and g(x) = 2x + 3, evaluate each expression.

Rom4ik [11]

Answer:

$15.~f(g(2))=\Large\boxed{11}\\$

$16.~g(f(2.5))=\Large\boxed{16}$

$17.~g(f(-5))=\Large\boxed{1}$

$18.~f(g(-5))=\Large\boxed{-3}$

Step-by-step explanation:

<h3>Given information</h3>

$f(x)=x+4$

$g(x)=2x+3$

<h3>Question 15. f(g(2))</h3>

<u>Substitute values into the first function</u>

$g(2)=2(2)+3$

$g(2)=4+3$

$g(2)=7$

<u>Substitute the values of the first function into the second</u>

$f(g(2))=f(7)$

$f(7)=(7)+4$

$f(7)=\Large\boxed{11}$

<h3>Question 16. g(f(2.5))</h3>

<u>Substitute values into the first function</u>

$f(2.5)=(2.5)+4$

$f(2.5)=6.5$

<u />

<u>Substitute the values of the first function into the second</u>

$g(f(2.5))=g(6.5)$

$g(6.5)=2(6.5)+3$

$g(6.5)=13+3$

$g(6.5)=\Large\boxed{16}$

<h3>Question 17. g(f(-5))</h3>

<u>Substitute values into the first function</u>

$f(-5)=(-5)+4$

$f(-5)=-1$

<u>Substitute the values of the first function into the second</u>

$g(f(-5))=g(-1)$

$g(-1)=2(-1)+3$

$g(-1)=-2+3$

$g(-1)=\Large\boxed{1}$

<h3>Question 18. f(g(-5))</h3>

<u>Substitute values into the first function</u>

$g(-5)=2(-5)+3$

$g(-5)=-10+3$

$g(-5)=-7$

<u>Substitute the values of the first function into the second</u>

$f(g(-5))=f(-7)$

$f(-7)=(-7)+4$

$f(-7)=\Large\boxed{-3}$

Hope this helps!! :)

Please let me know if you have any questions

7 0

1 year ago

HELP! I'm being timed

Rasek [7]

Answer:

X=37

Step-by-step explanation:

Since they are vertical angles they are both equal to 80. Set the other side equal to 80 and solve for X, and you should end up with 37.

4 0

3 years ago

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Evaluate the expression. Use y = -6.<br> y? – 4y + 8

Umnica [9.8K]

Answer:

-6-4(-6)+8

-6+24+8

-6+32

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8 0

2 years ago

Read 2 more answers

Help I need answer fast

Snowcat [4.5K]

f(x)= 3^(x+4)

f(2)= 3^(2+4)

do the bracket first

(2+4)= 6

3^6 - 3*3*3*3*3*3 - because of the exponent

3*3*3= 27

3*3*3= 27

27*27

Answer:729

6 0

2 years ago