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mariarad [96]
3 years ago
15

Expression

Mathematics
1 answer:
Alex787 [66]3 years ago
4 0
The value of the expression is -24

This is because you distribute the -4 to both of the values in the parenthesis like this:
-4(7) + -4(-1)
This can be simplified to:
-28 + 4
Which equals -24
Hope this helps!
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Is this the right answer?
iren2701 [21]

Hello from MrBillDoesMath!

Answer:

Yes!


Discussion:

a + b= 2a                =>  subtract "a" from both sides

a - a + b = 2a - a    =>  as (a-a) = 0 and (2a-a) = a

b = a                      (*)

Then  from (*) above

      b-a = b - b       => b-b = 0

      b -a = 0



Thank you,

MrB

8 0
3 years ago
Using the data: 2, 2, 3, 3, 3, 4, 5, 6, 6, 10
sertanlavr [38]

\huge{\boxed{4.5}}

First, add all the numbers together. 2+2+3+3+3+4+5+6+6+10=\bf{44}

Divide by the amount of numbers. \frac{44}{10}=\boxed{4.4}

4.5 is the closest, so that is the answer.

4 0
3 years ago
Read 2 more answers
As Jackson built a square fence around his garden, he wondered how much he would have to pay if he increased the length of each
Rom4ik [11]
A good function for this situation would be

c = 4(3m)


C is the cost of it all, m is the number of meters. The 3 is how many dollars it costs for each individual meter, and the 4 is how the length would need to be applied to all four sides of the fence. Hope this helped!
4 0
3 years ago
Find the variation constant and an equation of variation where y varies directly as x and y=24 when x=3.
Kay [80]

Answer:

8

Step-by-step explanation:

y=x, y=kx, k is a constant, k/x=y/x, k=y/x, k=24/3, k=8

8 0
3 years ago
Please solve and show all steps and work
pshichka [43]
Solve the rational equation by combining expressions and insulating the variable X .
all real numbers .
5 0
3 years ago
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