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3 years ago

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Lauren's mother made a cake. Lauren's

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Umnica [9.8K]3 years ago

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It has been a member since it

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Subtract -2k3 + k2 - 9 from 5k3 - 3k + 7.

tankabanditka [31]

5k3-3k+7-(-2k3+k2-9)
basically rewrite with simple algebra principles
15k-3k+7-(-6k+2k-9)
split up the parenthesis
15k-3k+7+6k-2k+9
sort them
15k-3k+6k-3k+7+9
short down by adding up the similar factors
answer: 18k+18
factorise
18(k+1)
both forms are right

8 0

3 years ago

Read 2 more answers

Which inequality is represented by the graph

gulaghasi [49]

I believe it’s c. !

4 0

3 years ago

Translate the sentence into an equation.

Vilka [71]

3(x - 8) = 4
3(x) - 3(8) = 4
3x - 24 = 4
+ 24 + 24
3x = 28
3 3
x = 9¹/₃

6 0

3 years ago

For g(x)= 9x-5, find g(3) and g( -5/9)(Simplify Answer)

Alborosie

$g(3)=22$

$g(-\frac{5}{9})=-10$

Explanation

Evaluating a function means to substitute a variable with its given number or expression and calculate

$g(x)=9x-5$

Step 1

when x= 3, so

replace the x place with 3

$\begin{gathered} g(x)=9x-5 \\ g(3)=9(3)-5 \\ g(3)=27-5 \\ g(3)=22 \end{gathered}$

hence

$g(3)=22$

Step 2

when

$x=-\frac{5}{9}$

replace

$\begin{gathered} g(x)=9x-5 \\ g(-\frac{5}{9})=9(-\frac{5}{9})-5 \\ g(-\frac{5}{9})=-5-5 \\ g(-\frac{5}{9})=-10 \end{gathered}$

therefore

$g(-\frac{5}{9})=-10$

I hope this helps you

3 0

1 year ago

Which expression is equivalent to<br> 3(1 + x) + 7?<br> Ax+-7<br> B) X + 10<br>C)3×+7<br>D)3×+10

AlladinOne [14]

Answer: D

Step-by-step explanation:

3(1+x)+7 = 3+3x+7 =3x+10

6 0

3 years ago

Read 2 more answers