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RUDIKE [14]
3 years ago
13

NEED HELP ASAP! 75 PTS AND BRAINLIEST!

Mathematics
2 answers:
stich3 [128]3 years ago
6 0

Answer:

4.5

Step-by-step explanation:

Nostrana [21]3 years ago
6 0

Answer:

answer 52.5

Step-by-step explanation:

you multiply 3.5 by 15 and then you get 52.5 i took the test and i got an 100 on it you can too

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Which graph represents the solution set to this system of equations? <br> Y=-1/2x+3 and y= 1/2x-1
Juliette [100K]
Hey there, I hope I can be of assistance today!
While there are no graphs, I can provide you with the graph to answer your question assuming you have choices of graphs!

Hope this helps!

7 0
3 years ago
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2( 10 - a^2 ) + 7a If ( a = 4 )Evaluate each expression
Lostsunrise [7]

Solution:

Given:

2(10-a^2)+7a

when a = 4, substitute for a in the expression;

\begin{gathered} 2(10-a^2)+7a=2(10-4^2)+7(4) \\ =2(10-16)+28 \\ =2(-6)+28 \\ =-12+28 \\ =16 \end{gathered}

Therefore, if (a = 4), then

2(10-a^2)+7a=16

Hence, the answer is 16.

6 0
1 year ago
F(x)=2x and g(x)=square root of x what is the domain of f(g(x))?
Dmitriy789 [7]

Answer:

x\ge 0

Step-by-step explanation:

The given functions are:

f(x)=2x


and


g(x)=\sqrt{x}


Now,

f(g(x))=f(\sqrt{x} )


f(g(x))=2\sqrt{x}

The domain refers to values of x for which f(g(x))=2\sqrt{x} is defined.


The  expression under the radical sign must not be negative.

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x\ge 0

5 0
3 years ago
a grandmother says her grandson is two years older than her granddaughter and that together, they are at least 12 years old. how
vfiekz [6]

Hello There!

As for this problem, we would have to set up an equation in order to determine the missing age. We would do this because we want to find the missing age and by setting up an equation it will help find the age easier, as opposed to manually calculating it. With that said, let's begin to solve.

First, we would create an equation based on what the question says, which would look as:

x + x + 2 = 12

2x + 2 = 12

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2x = 10

The grand daughter is 5 years old and since the grandson is two years older he is 7.

Thus,

The age of the granddaughter is 5

The age of the grandson is 7


7 0
3 years ago
Whats equivalent to 4/16
Rashid [163]
1/4, 0.25, and 25%.

Hope this answer helps! feel free to ask any additional questions :)
6 0
3 years ago
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