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Fiesta28 [93]
3 years ago
7

PLEASE HELP 4/7 = x/161

Mathematics
1 answer:
erastova [34]3 years ago
5 0
You have to cross multiply and you get the formula 7x=644.
Then you solve it to find x by dividing 7 by both sides. The seven on the left side cancels out and 644 divided by 7 is 92. So your answer is x=92.
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(Im sure this is a easy answer but im just double checking)
IgorC [24]
This answer seems to be C
5 0
3 years ago
Im having trouble figuring out what this question means |7| + -4=?
OverLord2011 [107]

Answer:

3

Step-by-step explanation:

It means absolute value 7 plus -4

This means that if it were a -7, it would become positive because it is under absolute value bars...since it is positive nothing changes

7-4= 3

7 0
2 years ago
PLEASE HELP!! (and show steps if u can)
Flauer [41]

Answer:

slope: -1

Step-by-step explanation:

Complete y2 - y1 over x2 - x1 with your given points.

-3 - (-1)  =  -2

_____     ___

2  -  0  =    2

= ⁻²⁄₂ = -1      Simplify to lowest term

3 0
2 years ago
Four possibilities have probabilities 0.4, 0.2, 0.2 and 0.2 and values $40, $30, $20, and $10 respectively. The expected value i
LiRa [457]

Answer:

b. ​$28

Step-by-step explanation:

We have these following probabilities:

0.4 = 40% probability of $40

0.2 = 20% probability of $30

0.2 = 20% probability of $20

0.2 = 20% probability of $10

The expected value is:

We multiply each value by its probability. So

E = 0.4*40 + 0.2*30 + 0.2*20 + 0.2*10 = 28

So the correct answer is:

b. ​$28

3 0
3 years ago
Eggs are sold in boxes. A small box holds 6 eggs.A large box holds 12 eggs.Hina buys x small boxes of eggs.Hina also buys 4 less
yuradex [85]

Answer:

a) 12x - 48 or 6(2x - 8)

b) 18x - 48 or 6(3x - 8)

Step-by-step explanation:

A small box holds 6 eggs

A large box holds 12 eggs.

Hina buys x small box of eggs

Hina also buys (x-4) large box of eggs

a) Total number of eggs in the large box by Hina = (x-4)12

= 12x - 48

= 6(2x - 8)

b) Total number of eggs bought by Hina = (x) 6 + (x-4)12

= 6x + 12x - 48

= 18x - 48

= 6(3x - 8)

8 0
3 years ago
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