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STatiana [176]
3 years ago
12

What is the solution to the following expression if x=5

Mathematics
1 answer:
jonny [76]3 years ago
7 0
Actually it’s D. or 3
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What is 2(x + 4)=2(-8- x) - 2x
Maru [420]

Answer:

You want to solve for x, the first thing you need to do is distribute

The 2 through the x+4 then the other 2 through the -8-x

2(x+4)= 2x+8

2(-8-x)= -16-2x

2x+8=-16-2x-2x (combine like terms on the right side)

2x+8=-16-4x (now subtract 8 from each side)

2x=-24-4x (8-8=0, -16-8=-24) (now add 4x to each side)

6x=-24 (-4x+4x=0, 2x+4x=6x), (divide each side by 6)

x=-4 (6/6=1, -24/6=-4)

x=-4

Hope this helps ;)

6 0
3 years ago
4. Which function represents exponential decay?
Leni [432]
Y=35(0.35) is exponential decay
8 0
3 years ago
Find the value of x in the triangle shown below.<br> 13<br> 5<br> х
katen-ka-za [31]

Answer:

x=12

Step-by-step explanation:

This is a right triangle, so the Pythagorean theorem can be used. The Pythagorean theorem states that C^2=a^2+b^2 where C is the hypotenuse and a and b are legs. In this question, we are given a and C. So, plugin 13 for C and 5 for a and solve for b. Once you rearrange the equation you get, b=\sqrt{13^2-5^2}. Next, solve what is under the root to get, b=\sqrt{144}. Finally, square root 144 for the final answer b=12.

3 0
2 years ago
Read 2 more answers
there are seven people and Luisa's family they have four loaves of cinnamon bread to share equally Luisa wants to know how much
makvit [3.9K]

Answer:

\frac{4}{7} of a loave of bread per person

Step-by-step explanation:

<u>Step 1:  Convert words to expressions </u>

Seven people in Luisa's Family = <em>7 people </em>

Four loaves of cinnamon bread = <em>4 loaves </em>

<u>Step 2:  Divide people from loaves </u>

4 loaves / 7 people  <-  This means they are splitting 4 loaves of bread between 7 people

\frac{4}{7} of a loave of bread per person

Answer:  \frac{4}{7} of a loave of bread per person

7 0
3 years ago
A+b+c=4<br> a²+b²+c²=10<br> a³+b³+c³=22<br> a4+b4+c²=?
iragen [17]

Answer:

34

Step-by-step explanation:

6 0
3 years ago
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