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hram777 [196]
3 years ago
13

Phil has 3 times as many rocks as Peter. Together, they have 48 rocks. How many more rocks does Phil have than Peter?

Mathematics
1 answer:
andrezito [222]3 years ago
8 0
x-Peter's\ rocks\\3x-Phil's\ rocks\\\\x+3x=48\\4x=48\ \ \ \ \ \ |:4\\x=12\\3x=3\cdot12=36\\\\36-12=24\\\\Phil\ have\ 24\ more\ rocks\ than\ Peter.
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Shawn uses 45N of force to stop the cart 1 meter from running his foot over. How much work does he do?​
zalisa [80]

Answer:

\boxed {\boxed {\sf 45 \ Joules}}

Step-by-step explanation:

Work can be found by multiplying the force by the distance traveled in the direction of the force.

W=F*d

The force is 45 Newtons.

The distance traveled is 1 meter.

F=45 \ N \\d= 1 \ m

Substitute the values into the formula.

W=45 \ N * 1 \ m

Multiply.

W=45 \ N*m

1 Newton meter is equal to 1 Joules.

Therefore our answer of 45 Newton meters is equal to 45 Joules.

W= 45 \ J

The work done is <u>45 Joules.</u>

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2 years ago
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Novosadov [1.4K]

Answer:

(d)  y= (1 1/9)x

Step-by-step explanation:

A proportional relation is described by the equation ...

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Dividing by x shows how to find the value of k:

 k = y/x

For the given values of y and x, the value of k is found to be ...

 k = (5/6)/(3/4) = (5/6)(4/3) = 20/18 = 10/9 = 1 1/9

The relationship is represented by the equation ...

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The answer is $41.12
(Work is below)

First add the total of the vase and shipping-
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Shipping:              $   3.00
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Then calculate sales tax by multiplying $37.99 x 0.0825 -
Above Total:         $37.99
Sales Tax Rate:    $   0.0825
                         x__________
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You round down because ^ less than five (five or above you would round up)

Sales Tax:             $3.13

Then you add the sales tax to the above total

Vase:                    $37.99
Shipping:              $  3.13
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