3 years ago

If a lawnmower was regularly $150 and is on sale for $120. By what percentage was the price decreased?/

Mathematics

1 answer:

topjm [15]3 years ago

4 0

The percent decrease is 20%.
150 - 120 = 30
30 divided by 150 = 0.2
0.2 as a percent is 20
Old - New
Old

You might be interested in

Which graph is generated by this table of values? x –4 0 3 y 1 2 3

Nookie1986 [14]

Answer: See the graph attached.

Step-by-step explanation:

1. To solve this exercise you must plot the points given in the table of the problem, which are shown below:

(-4,1), (0,2), (3,3)

2. You must plot the first value of each ordered pair on the x-axis.

3. You must plot the second value of each ordered pair on the y-axis.

4. Therefore, when you plot them, you obtain the graph shown attached.

7 0

3 years ago

A tire rim has a diameter of 15 in. What is the circumference of the tire rim? Use 3.14 for

vesna_86 [32]

Answer:

47.1 inches

Step-by-step explanation:

The formula for finding circumference is C = D x pi

So, we go 15 x 3.14, and we get 47.1 inches

5 0

3 years ago

Find r if (r, 6) and (5, -4) are two points on a line with a slope of 5/7 (Hint: use the slope formula)

andreyandreev [35.5K]

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have

$(r,\ 6),\ (5,\ -4)\\\\m=\dfrac{5}{7}$

Substitute

$\dfrac{-4-6}{5-r}=\dfrac{5}{7}\\\\\dfrac{-10}{5-r}=\dfrac{5}{7}\qquad|\text{cross multiply}\\\\5(5-r)=(-10)(7)\qquad|\text{use distributive property}\\\\25-5r=-70\qquad|-25\\\\-5r=-95\qquad|:(-5)\\\\\boxed{r=19}$

4 0

3 years ago

I’ve been stuck on this question for quite some time. I was struggling so I needed help, can you help me?

Crank

I can’t see all the question !!

3 0

3 years ago

Read 2 more answers

I need help finding the answer!!

Whitepunk [10]

Answer:

The second option

Step-by-step explanation:

Here, we need to multiply each part of the matrix by -10.

This will give us: [ -230 380 ]

[ -170 60 ]

So, the answer is the second option.

3 0

2 years ago