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harkovskaia [24]
3 years ago
12

the lawn order lawnmower factory can produce 12 lawnmowers in 8 hours . How many hours will take the factory to produce 30 lawnm

owers?
Mathematics
2 answers:
Radda [10]3 years ago
7 0
1 lawnmower= 8hours/12 =2/3 hour
30 lawnmowers= 30*2/3hour= 20 hours
aliina [53]3 years ago
6 0

Answer:

The correct answer is 20.

Step-by-step explanation:

Well, let's see the facts we have.

We know that the factory can produce 12 lawnmowers in 8 hours.

Now what we need to find out is how many hours it will take the factory to do 30 lawnmowers.

Having 3 data resolved and only one icognite, the most convenient thing would be to do a cross-multiplication.

If 8 hours ------ 12 lawnmowers

Then x hours ----- 30 lawnmowers.

x.12 = 30.8

x.12 = 240

x = 240:12

x = 20

With this information we can say that it will take 20 hours for the factory to do 30 lawnmowers.

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Susan made 75 pieces of peanut brittle to share equally with her friends. She put 4 pieces of peanut brittle in each bag. She ga
BabaBlast [244]

Answer:

72/4=18 with remainder of 3 peices given to her mom

Step-by-step explanation:

6 0
2 years ago
Suppose Y varies directly with x, and y = 25 when x = 140. what is the value of x when y = 36?
Tema [17]

25y.......140x

36y..........x

Cross multiply

25x= 36*140

25x= 5040

x= 5040/25

x= 1008/5

x= 201.6

When y=36 the x will = 201.6


I hope that's help !


4 0
3 years ago
Find the point at which the line joining the two points (-3,-5) and (7,5) cuts they y axis
8090 [49]

Answer:

(0,-2)

Step-by-step explanation:

First we find the equation of the line passes through (-3,-5) and (7,5).

The slope of the line is

m=\frac{5-(-5)}{7-(-3)}\\=\frac{10}{10}\\=1

So by the point slope formula the equation of the line is

y-5=1(x-7)\\y=x-7+5\\y=x-2

When x=0 we have y=0-2=-2.

Therefore the line joining the two points cuts the y-axis at (0,-2).

4 0
2 years ago
Can anybody help me with this equation?? :/
Ganezh [65]

Answer:

72

Step-by-step explanation:

A full rotation takes 360°. From the picture, it would take 5 rotations to achieve such full degree rotation. Hence, each bit of rotation covers 360°÷5=72°

6 0
3 years ago
Read 2 more answers
Complete the solution of the equation. find the value of y when x equals -8 <br> 8x+8y=-48
Korvikt [17]
<span>8x + 8y = -48
-------------------------
Plug in -8 for x
(8) (-8) + 8y = -48
-------------------------------
Simplify
</span><span><span><span>(8) </span><span>(<span>−8</span>) </span></span>+ <span>8y </span></span>= <span>−<span>48
</span></span><span><span>−64 </span>+ <span>8y </span></span>= <span>−<span>48
</span></span><span><span>8y </span>− 64 </span>= <span>−<span>48
</span></span>-----------------------------------------
Add 64 to each side
<span><span><span>8y </span>− 64 </span>+ 64 </span>= <span><span>−48 </span>+ 64
</span><span>8y </span>= <span>16
</span>---------------------------------------------------
Finally, divide each side by 8
8y ÷ 8 = 16 ÷ 8
y = <span>2
</span>----------------------------------------------------------------
y = 2 is your answer
4 0
3 years ago
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