Mathematics Middle School

A lawnmower that regularly sells for $150 is on sale for $120. By what percentage was the price decreased?

Answers

Answer 1

Answer:

20%

Step-by-step explanation:

Find the difference of both prices.

150 - 120 = 30

Calculate the ratio of the decrease in price to the original price.

30/150 = 0.2

Multiply the decimal by 100 to get your percentage.

0.2(100) = 20

Related Questions

what is the circumference of a circle with a radius of 6. (Its not 37.7. )

Answers

Answer:

C≈37.7

r Radius

Solution

C=2πr=2·π·6≈37.69911

It’s C=37.7...............

Please Answer below!!!

Answers

Answer:

Step-by-step explanation:

It takes 4.12 gallons of paint to paint a fence.

How much paint is needed for 1/5 of the fence?

[answer] gallons

Answers

4.12 divided by 5 = 0.824

The amount of paint needed for 1/5 of the fence is 0.824 gallons.

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value. Unitary method is a technique by which we find the value of a single unit from the value of multiple devices and the value of more than one unit from the value of a single unit. It is a method that we use for most of the calculations in math.

We are given that;

Paint= 4.12gallons

Now,

To find the amount of paint needed for 1/5 of the fence, we can use the following proportion:

14.12=1/5x

where x is the unknown amount of paint. To solve for x, we can cross-multiply and get:

x=14.12×1/5

Simplifying, we get:

x=0.824

Therefore, by unitary method the answer will be 0.824 gallons.

Learn more about the unitary method, please visit the link given below;

https://brainly.com/question/23423168

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Meg described four triangles as shown below: Triangle P: All sides have length 7 cm. Triangle Q: Two angles measure 55°. Triangle R: Two sides have length 8 cm, and the included angle measures 60°. Triangle S: Base has length 8 cm, and base angles measure 55°. Which triangle is not a unique triangle? Triangle P Triangle Q Triangle R Triangle S

Answers

Triangle P isn't unique because all sides are equal and all interior angles are equal.

Answer:

The triangle which is not a unique triangle is:

Triangle Q.

One of the brightest stars in the sky is Arcturus, which is part of the constellation Bootes is 32 light years from the Earth. One light year + 5.8810 miles. How far, in miles, is Arcturus?

Answers

188.192 miles away.

Gerald is testing a computer graphics program. He needs to insert a parabolic shape by transforming the quadratic parent function, f(x) = x2. Gerald needs the parabolic shape to open downward, stretch vertically by a factor of 2, shift right by 3 units, and shift down by 4 units. Which transformed function should Gerald enter into the computer graphics program to achieve this result?
g(x) = –2(x – 3)2 – 4
g(x) = 2(x – 3)2 – 4
g(x) = –2(x + 3)2 – 4
g(x) = 2(x + 3)2 – 4

Answers

Yup 542 yup I’m back on my drip 6432

Function, Gerald should enter to the computer is g(x) = -2(x + 3)² - 4

Correct option is C.

What is transformation?

Transformations are changes done in the shapes on a coordinate plane by rotation or reflection or translation.

Given,

Parent function f(x) = x²

g(x) = ?

Parabolic shape to be downward, meaning reflection over x- axis

for reflection over x - axis,

g(x) = -f(x)

g(x) = -x²

Stretch vertically by factor 2.

For vertical stretch of factor a.

g(x) = a f(x)

g(x) = -2x²

Shift right by 3 units

For right shift by a

g(x) = f(x + a)

g(x) = -2(x + 3)²

Shift down by 4 units

Shift down by b units

g(x) = f(x) - b

g(x) = -2(x + 3)² - 4

Hence, g(x) = -2(x + 3)² - 4 is the function, Gerald should enter.

Learn more about transformation here:

https://brainly.com/question/11709244

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Explain how precipitation happens. Use complete sentences and give at least two supporting details

Answers

Answer:

Precipitation is any liquid or frozen water that forms in the atmosphere and falls back to the Earth. ... Precipitation forms in the clouds when water vapor condenses into bigger and bigger droplets of water. When the drops are heavy enough, they fall to the Earth.

Step-by-step explanation:

the sun evaporates the water from a stream or some type of water source and it then gets collected into the clouds and then condensation and the last step is when the water is too heavy so the clouds release it and that is called precipitation. hope this helps.

Find the sum.

+ 0.47
+ 0.32

A) 7.9

B) 0.79

C) 0.079

D) 1.79

Answers

Answer:

B is the correct answer... 0.79

Step-by-step explanation:

You add the ones first and then move on to the tens and add. You get 0.79

Answer:

B) 0.79

Step-by-step explanation:

.47

.32 + bring it down, like a normal addition problem

.79 bring the decimal down as well because you are just adding

Hope this helped!

The wholesale price for a pillow is $4.50 . A certain department store marks up the wholesale price by 80%. Find the price of the pillow in the department store.
Round your answer to the nearest cent, as necessary.

Answers

Answer:

8.1

Step-by-step explanation:

1.8 times 4.50 is 8.1

Simplify.
√240
A √230
B √1024
C √640
D √415

Answers

Answer: D

Explanation: 4^2 x 15
Both go into roots then you end up with 4/15 (I can’t find the symbol )

The answer for this is D

what what is the answer to q 5

Answers

D (4,-3) because it’s (x,y)

It’s D or (4,3) because on a coordinate plane there’s (x,y) so it x is first and that’s (4,3)

PLEASE HELP A GIRL OUT!!!

Answers

Answer:

The answer is 14 and I got that by multiplying 7 and 12 then dividing 84 by 6.

Solve the system of linear equations by substitution.
x + 4y = 30
y = −x + 9

The solution of the system is (___, ___).

Answers

Answer:

hey! This was the only part of mathematics I ever enjoyed! So consider this both of our lucky days: Answer is : (2,7)

Step-by-step explanation:

basically plug in Y to the first equation as sox + 4(-x + 9) = 30

x - 4x + 36 = 30- 3x = - 6

x = 2

then plug that in to Y!

Y = -(2) + 9

so Y = 7

and our answer is : (2,7)

Plug in -x+9 in for y and you should get (2,7)

solve the equation , (x+ 7)+3y

Answers

Answer:

Step-by-step explanation:

3y + x +7

I guess we are simplify it the answer is x + 3y+7 and if not rearranging terms it x+7+3y

The measure of angle AFB = 78°

Answers

Answer: is C

Step-by-step explanation: you have a 90 so 90-78 is 12

The answer is 12

We know that angles AFB and CFD and BFC sum up to 180

Using this information we can write the equation

AFB + CFD +BFC = 180

Now substitute known values:

78 + 90 (it is a right angle) + BFC = 180

Now solve-
You should get

180-168 which is 12

Can someone please help me with this?

Answers

Answer:

Refer to the attached image.

Step-by-step explanation:

Use decimal places and superscripts. If you want a more detailed explanation, ask and I'll give you one.

Math question 2 and Look at the picture below to answer. If u answer correctly i will mark you as brainliest!

Answers

The correct graph for the equation is A

Yup it is The correct answer is A

1. Will has a spinner with eight equal sections numbered one through eight. If Will spins the spinner 240 times, how many
times can he expect to spin a number less than 7?

Answers

Divide 240 by 7 which gives you 34.28

Please help meeeeeeeeeeeeeeeee

Answers

Answer:

Step-by-step explanation:

(3)^3+6(3)+5

27+18+5

23+27

hope this helps :)

Answer:

Step-by-step explanation:

x=3

[tex]3^{3} + 6(3) + 5=\\27 + 18 + 5=\\50[/tex]

Hope this helps!

pls help ill mark brainliestttt

Answers

Jfjdhdhfhdhdhfhfhffjfhfhfjfjfjfjfhfh

16. (x + 7) x 5
17 . i’m not sure but i have an idea
8 + x (spongebobs age) = y (patrick’s age)
2x - 3 = w (mr crabs age)
w + y + x = sum of their ages

30% of what number is 96?

Answers

Answer: my fault its 320

Step-by-step explanation:

Answer:

I am pretty sure it's 320,

Emilia needs to make 15 batches of blueberry scones this weekend for her family's brunch party. She needs 2 cartons of blueberries for each batch, and each carton costs $4.

How much money Emilia would spend on baking the batches of scones?

Answers

Answer:$120

Step-by-step explanation:

15 batches x 2 cartons of blueberries = 30 cartons

30 cartons x $4.00= $120.00

40 ÷ 6 is .......................................................................................................................................................?

Answers

Answer:

6.66666666667

Step-by-step explanation:

uh literally

Answer:

6.66666666 Hope it helps

How many times larger is a kilo than a deka.

Answers

A deka is is equal to 10 units for ever 1000 kilo units

Need help ASAP! For math SAT tmrw plz help!!

Answers

3. 60%

4. 5/8

5. 5/25

6. 62%

7. 70%

8. 40

9. 9

10. 22.5%

11. 70

12. i dont know that one sorry.

13. Written as an equation: Y = P% * X.

The 'what' is Y that we want to solve for.

Remember to first convert percentage to decimal, dividing by 100.

Solution: Solve for Y using the percentage formula. Y = P% * X.

Step-by-step explanation: just switch up a few words here and there on 13 and you should be good to go!

Helppppppppppppp ppppppppplllllleeeeeaaaaasssse

Answers

Answer:a

Step-by-step explanation:

EXPERTS PLEASE HELP!!!

Answers

If 4a= 32 and u want a u have to...

4a=32
/4. /4 ( /=divide)

So a=8

A=8
B=0.125
C=2.6
D=0.26

An item is regularly priced at $27. It is now priced at a discount of 45% off the regular price. Find the price now

Answers

The answer would be $12.15

A EZ one
......
(^.^)

Answers

Answer:

so depending on how many hotdogs he sells you have a profit. so replace H with a number a you will have a ptofit.

Step-by-step explanation:

p=2h

if he sells 2 hotdogs

p=2x2

p=4

and so on...

Need points!! Sorry much love

plz help i will mark brainliest

Answers

Answer:

1. -|12|

2. -5

3. -1

4. |-1|

5. 12

Step-by-step explanation:

1. -|12|
2. -5
3.-1
4.|-1|
5.12

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