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adell [148]
3 years ago
13

Evaluate the expression for the given value(s) of the variables(s).m-8 when m= 12​

Mathematics
1 answer:
EastWind [94]3 years ago
7 0
<h3>Answer: 4</h3>

Replace m with 12 and simplify.

m-8 = 12-8 = 4

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If there are 210 student and only 46 students get a permission slip to holiday hills what is the percent of the student who did
Eduardwww [97]
First you would find the difference of 210 and 46, so 210-46=164.
Then you will divide the solution by the total number of students, so
164 divided by 210.
164/210= about .780 or 78%
8 0
3 years ago
Find the value of x and the perimeter of the following shapes:
ratelena [41]

Answer:

x=2, perimeter=14

Step-by-step explanation:

Finding x

(x+1)(x+2)

x^2+2x+x+2=12

x^2+3x-10

x^2-2x+5x-10

x(x-2)5(x-2)

(x+5)(x-2)

x=-5

x=2

Length or Width should be a positve number.

x=2

Perimeter:

3+3+4+4=14

5 0
3 years ago
when building a house, the number of days required to build is inversely proportional to with the number of workers. One house w
shusha [124]
Use inverse proportion ratio: xy=k

(124)(7)=k
k=868 (this is our constant)

now substitute the constant into the inverse proportion ratio knowing the number of workers

28x=868

solve for x by dividing both sides by 28 to find the time it takes to build the house

x=31 days

so it will take 31 days for 28 workers to build the house
3 0
3 years ago
Solve the formula for the area of a triangle A = (1/2) bh for height h
Hitman42 [59]
A = (1/2) bh for height h

2A = bh

first multiply both sides by 2 then divide both sides by b

Area of triangle = (1/2)bh

A = (1/2)bh

2A = bh

h = 2A/b

110 = 1/2(11)h

110 = 5.5h

110/5.5 = 20

The answer Is H = 20

Hope this helps (:
4 0
4 years ago
How to solve -6(3-x)=18
yawa3891 [41]

Answer:

X=6

Step-by-step explanation:

isolate the variable by dividing <em>each side</em> <u>by factors </u>that dont contain the variable.

MARK ME BRAINIEST

7 0
4 years ago
Read 2 more answers
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