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Kaylis [27]
3 years ago
13

What is the value of x ?

Mathematics
1 answer:
Setler79 [48]3 years ago
3 0

Answer:

19

Step-by-step explanation:

When you have a straight line with a transversal, the two angles are equal to 180 degrees

180=123+3x ---> subtract 123 to the other side

57=3x ---> divide by 3

x=57/3

x=19

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Use the distributive property to rewrite each algebraic expression: Do not solve, just rewrite.
Shkiper50 [21]
<span>Use the distributive property to rewrite each algebraic expression: Do not solve, just rewrite.

1) 8(x + 7) = 8x + 56

2) 5(x - 10) = 5x - 50

3) 6(11 + x) = 66 + 6x

</span><span>Factor each expression. (Pull a common factor from each number) 

COMPLETED EXAMPLE: 27 + 12 = 3(9 + 4) → (3 is the shared factor for 27 and 12)

4) 12 + 36 = 12 (1 + 3)

5) 16 + 20 = 4 (4 + 5)

Solve each expression using the distributive property.

6) 4 x 82 = 4 (80 + 2) = 320 + 8 = 328 


7) 12 x 44 = 12 (40 + 4)  = 480 + 48 = 528

</span><span>8) Mrs. S bought 9 folders and 9 notebooks. The cost of each folder was $2.50. Each notebook cost $4. First, write an expression for the problem then find the total cost.

Expression = 9f + 9n = 9($2.50) + 9($4)

Total cost =</span>9($2.50) + 9($4) = $22.5 + $36 = $58.5
4 0
4 years ago
How to solve this? In a magic pentagon, the three numbers along each of the five sides add up to the sane total. We call this th
kondor19780726 [428]
Add up the numbers of the sides you have then subtract it from the Magic total
3 0
4 years ago
Lamooooo yall didn't wanna play somebody reported and got it token down XD
lakkis [162]

Answer:

oof

Step-by-step explanation:

idek bro

7 0
3 years ago
What is the slope of the line with endpoints at (-3, 6) and (5.-6)?
podryga [215]

Answer:

-3/2

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-6-6)/(5-(-3))

m=-12/(5+3)

m=-12/8

simplify

m=-3/2

3 0
3 years ago
Sorry for all the questions but i also need these answered but i have no idea how to answer them..:)
Allisa [31]

Answer:

did you try 12÷ by the decimal form of 3/4

4 0
3 years ago
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