30x what equals 120? I need the answer right now

Mathematics

2 answers:

iVinArrow [24]3 years ago

7 0

4 because if you divide 120/30 you get 4

kotykmax [81]3 years ago

7 0

120 divided by 30 = 4, so, 30 times 4 = 120

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vovikov84 [41]

Answer:

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Step-by-step explanation:

5 0

2 years ago

What is the value of y in this system of equations: 3x + y = 9 y = –4x + 10 ?

Ahat [919]

3x + y = 9 (I)
y = –4x + 10 (II)
------------------------
 $\left \{ {{3x + y = 9 } \atop {y = -4x + 10 }} \right.$

Pass the incognito "4x" to the first term, changing the signal when changing sides.
-------------------------
simplify by (-1)
 $\left \{ {{3x + y = 9.(-1)} \atop {4x + y = 10 }} \right.$ 

-------------------------
 $\left \{ {{- 3x - \diagup\!\!\!\!y =-9} \atop {4x + \diagup\!\!\!\!y = 10}} \right. 
$

-------------------------
 $\left \{ {{- 3x = - 9} \atop {4x = 10}} \right.$ 

-----------
 $\boxed{x = 1}$ 

Substitute in equation (I) to find the value of "Y".

3x + y = 9 (I)
3*(1) + y = 9
3 + y = 9
y = 9 - 3
$\boxed{y = 6}$

Answer:
$\boxed{\boxed{ \left \ {{x=1} \atop {y=6}} \right. }}$

6 0

3 years ago

No step by steps or links please

Sholpan [36]

Answer:

Six at top, ten at second, twenty-seven at third, and four at bottom.

4 0

2 years ago

A livestock pen is built in the shape of a rectangle that is 2 times as long as it is wide. the perimeter is 42 feet. if the mat

Lorico [155]

Let width = x ft then
2x + 2(2x) = 42
6x = 42
x = 7

so the width is 7 ft and length is 14 ft.

So the cost to build the pen = 14*1.25 + 14*1,25 + 7*2.50 + 7*2.50
= 70 answer

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3 years ago

rat snakes produce 12to54 each year. if 8% percent of the young survives maturity,what is the maximum number of surviving offspr

-Dominant- [34]

39?
Sorry if It’s wrong!!

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3 years ago

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