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KatRina [158]
3 years ago
7

Which of the following situations is best represented by the equation y = 15x ?

Mathematics
1 answer:
IrinaK [193]3 years ago
4 0

Answer:

B.) There were 15 more questions on the test than the last test.

Step-by-step explanation:

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Solve the following equation for x.
makkiz [27]

Answer:

you're answer is d

Step-by-step explanation:

you make the 9 positive and add 9 to -51 and you get -42 then you divide by 6 and get -7

3 0
3 years ago
There are 4 red marbles, 2 white marbles, and 2 black marbles in a bag. Consider the following compound events. What is the prob
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8

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6 0
2 years ago
If a 12-sided regular polygon rotates about its center, at which angle of rotation will the image of the polygon coincide with t
Snowcat [4.5K]
Central angle of a regular polygon:
Ф = 360° : n. 
If n=12:  Ф = 360° : 12 = 30°
At the angle of rotation Ф = 30°  the image of the polygon will coincide with the preimage.
7 0
3 years ago
What number when multiplied by 5 is one third of the sum of 64 and 56?​
Nookie1986 [14]

Answer:

8

Step-by-step explanation:

Create an expression to model the situation. One can do this by simply rewriting the written expression in terms of numbers and variables. Use the variable (x) to represent the unknown value.

5(x)=\frac{1}{3}(64+56)

Simplify this expression,

5(x)=\frac{1}{3}(64+56)\\5x=\frac{1}{3}(120)\\5x=40\\

Use inverse operations to solve for (x),

5x=40\\x=8

6 0
3 years ago
Factor by grouping. Then supply the term that is missing below. 4mn+3m+8n+6=(m+2)(?+3)
shusha [124]

Answer:

(m+2) (4n+3)

Step-by-step explanation:

4mn+3m+8n+6

4mn +8n      +3m +6

Factor a 4n from the first term and a 3 from the second

4n (m+2) +3(m+2)

Factor out an (m+2)

(m+2) (4n+3)


8 0
3 years ago
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