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3 years ago

13

How many solutions does this system have? 5x-y=3 2y=10x+2

1 answer:

slamgirl [31]3 years ago

7 0

Answer:

none

Step-by-step explanation:

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xz_007 [3.2K]

Answer:

1) $n = 84$

2) $n = 78$

3) $n = 24$

4) $n = 16$

5) $n = 35$

Step-by-step explanation:

To solve each proportion, we apply cross multiplication.

Question 1:

$\frac{5}{12} = \frac{35}{n}$

$5n = 35*12$

Simplifying both sides by 5

$n = 7*12 = 84$

Question 2:

$\frac{n}{52} = \frac{180}{120}$

$120n = 52*180$

Simplifying both sides by 20

$6n = 52*9$

Simplifying by 3

$2n = 52*3$

Simplifying by 2

$n = 26*3 = 78$

Question 3:

$\frac{18}{n} = \frac{21}{28}$

$21n = 18*28$

Simplifying both sides by 7

$3n = 18*4$

Simplifying both sides by 3

$n = 6*4 = 24$

Question 4:

$\frac{n}{4} = \frac{24}{6}$

$\frac{n}{4} = 4$

$n = 16$

Question 5:

$\frac{10}{16} = \frac{n}{56}$

$16n = 56*10$

Simplifying by 2, both sides

$8n = 56*5$

Simplifying by 8, both sides

$n = 7*5 = 35$

4 0

3 years ago

Steven's family needs a new microwave. There is one on sale that measures 20 inches by 14 inches by 11 inches. What is the volum

Dahasolnce [82]

Answer:

3,080 in³

Step-by-step explanation:

To find the volume you use the formula

Length*Width*Height= Volume

So,

14*11*20 = 3080

and you unit will be cubed because volume is cubed!

6 0

3 years ago

Please help me answer this question

bulgar [2K]

Answer:

the answer is c, f(x)=3^x+3

Step-by-step explanation:

i hope this helped

5 0

3 years ago

The diagram shows the net of a juice box. The box is a rectangular prism. What is the surface area of the juice box?

LenaWriter [7]

Answer:269.6 square centimeters

Step-by-step explanation:

5 0

4 years ago

A rectangular prism has a length of 312 in., a width of 5 in., and a height of 112 in.

Soloha48 [4]

Multiply the dimensions to get 174,720 in^3

6 0

4 years ago

Read 2 more answers