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olga2289 [7]
2 years ago
14

HELP A NGA OUTtt!!!!QUickkkkk

Mathematics
2 answers:
makkiz [27]2 years ago
7 0
1.) 12
2.) 45
3.) 96
4.) 49
5.) -18

Use the distributive property!
BabaBlast [244]2 years ago
3 0
اكتشف بنفسك أيها الغبي :)
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Plz, help me with this question?
quester [9]

divide both sides by 7 to get x alone

84/7 = 12

B.12

4 0
2 years ago
Read 2 more answers
Kini and Duke are each working during the summer to earn money in addition to their weekly allowance, and they are saving all of
postnew [5]

Answer:

6hrs

Step-by-step explanation:

First, we have to put the information given to us about the money they earn into an expression

let x represent the number of hours Kini and Duke work and y represent the total amount of money they earn in a week.

y(kini) = 9x + 8

y(duke) = 7.5x + 17

Now we subtract the x values and the constant values

9x - 7.5x = 1.5x

17 - 8 = 9

Make these into an equation

1.5x = 9

Divide both sides by 1.5 so x(the number of hours the both work) can stand alone.

\frac{1.5x}{1.5}= \frac{9}{1.5}

x = 6 hrs

4 0
3 years ago
What are the domain and range of f(x)=[1/5]x
Ber [7]

Answer:

Domain: All real numbers

or

(-\infty,+\infty)

Range: All real numbers

Or

(-\infty,+\infty)

Step-by-step explanation:

The given function is f(x)=\frac{1}{5}x


This a polynomial function of degree 1.


Polynomial functions are continuous everywhere.


The function is therefore defined for all real values of x.


The domain is (-\infty,+\infty)


If we let y=\frac{x}{5}


Then, x=5y.


x is also defined for all real values of y, hence the range is also all real numbers or (-\infty,+\infty)


4 0
3 years ago
What are the solutions to the equation? Select all that apply.<br> 3x^2 + 6x = 45
sattari [20]
X = -1 + 3 \sqrt{2}
x = -1 - 3 \sqrt{2}
5 0
3 years ago
determine the range of the function in the table below. x f(x) 0 -4 2 2 4 8 {0, 2, 4} {-4, 2, 8} {(0, -4), (2, 2), (4, 8)} {(-4,
miv72 [106K]
<span>the range of the function in the table is the values under f(x). i.e. </span><span>{-4, 2, 8}</span>
7 0
3 years ago
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