3 years ago

For the girl to lift this rock, she must push down with a force _____.

Mathematics

1 answer:

suter [353]3 years ago

4 0

Answer:

Step-by-step explanation:

B. The girl would have to use less force because she is using a simple machine, or a lever. The lever makes it easier to lift the rock because the rock is closer to the fulcrum.

You might be interested in

Jocelyn finds the blueprints for her house in the basement. The kitchen floor measures 12 inches long and 15 inches wide on the

Svetach [21]

Answer:

Step-by-step explanation:

48 ft by 60 ft

6 0

3 years ago

A boat travels for 4 hours at a constant speed of 35.25 km/h.

Black_prince [1.1K]

Again set a proportion
x/4=35.25/1
=x=4(35.25)
x=141
Therefore the boat traveled 141 kilometres.
The answer is C.

3 0

3 years ago

Read 2 more answers

The price of a computer was decreased by 30% to £147. What was the price before the decrease?

Sunny_sXe [5.5K]

Answer:

£210

Step-by-step explanation:

A decrease of 30% represents 70% of the original cost.

100% represents the original cost

Divide the price by 70 to find 1% then multiply by 100 for original cost

original cost = $\frac{147}{70}$ × 100 = 2.1 × 100 = £210

4 0

3 years ago

Read 2 more answers

Heyy could you help me out with this question I have been stuck in this question??

Ludmilka [50]

I think the first box is perpendicular good luck

6 0

2 years ago

For a standard normal distribution,Find P(-1.21 < Z< 2.26)

Mars2501 [29]

Answer:

The range of z-score is given below as

$P(-1.21Using a graphing calculator, we will have the image be[tex]\begin{gathered} P(z$

4 0

1 year ago