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hammer [34]
3 years ago
11

Write 171 miles in 3 hours as a unit rate

Mathematics
1 answer:
rewona [7]3 years ago
7 0
171 ÷ 3 = 57

So, that means it's 57 mph
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Jason is painting a large circle on one wall of his new apartment. The largest distance across the circle will be 8 feet. Approx
Hunter-Best [27]

Answer:

a) 50.24 ft²

b) 150.72 ft²

Step-by-step explanation:

Jason is painting a large circle on one wall of his new apartment. The largest distance across the circle will be 8 feet.

The distance across a circle is also called a diameter, Hence,

D = Diameter = 8 ft

The Area of a circle = πr²

r = Diameter/2 = 8ft/2 = 4ft

π = 3.14

Hence,

The Area of the circle = π × (4 ft)²

= 50.24 ft²

a) Approximately the amount of wall the circle will cover is 50.24 ft².

b) How much area will he cover if he painted a circle on three walls?

This is calculated as:

1 wall = 50.24 ft²

3 walls = x

Cross Multiply

x = 3 × 50.24 ft²

x = 150.72 ft²

7 0
3 years ago
Cynthia Besch wants to buy a rug for a room that is 1919 ft wide and 2727 ft long. She wants to leave a uniform strip of floor a
yulyashka [42]

Answer:

The dimension of the rug would be 17 ft × 9 ft.

Step-by-step explanation:

Given

length of the room = 27 ft.

width of the room = 19 ft.

suppose, she leaves a uniform strip of x ft. around the rug.

So,

The length of rug = (27-2x)ft.

Width of rug= (19-2x)ft.

∴ Area of the rug= length×width

                            =  (27-2x)(19-2x)

                            =  513-54x-38x+4x^2

                            =   513-92x+4x^2

According to the question,

513-92x+4x^2=153

513-92x+4x^2-153=0        ( subtract 153 both sides)

4x^2-92x+360=0

4(x^2-23x+90)=0

x^2-23x+90=0

x^2-(18+5)x+90=0            ( Middle term splitting)

x^2-18x-5x+90=0

x(x-18)-5(x-18)=0

(x-5)(x-18)=0

x-5=0 or x-18=0             ( zero product property)

x=5 or x=18

if x=18, dimension would be negative  ( Not possible)

Thus, x= 5

Hence,

length of rug= 27-10=17 ft.

width of rug= 19-10=9 ft.

8 0
4 years ago
6a+5a=-11 whats the breakdown to get the answers
kenny6666 [7]

add 6a and 5a and get 11a

then:

11a=-11

a=-1


8 0
3 years ago
Plz help me!!!! I'll mark first correct answer brainliest!!!!
ANEK [815]
It would be 2 6/7
the reason why it is right because i am so smart and i am in school...

7 0
3 years ago
Is paid an annual salary of $26,000. Find the Pat's weekly salary
elena-s [515]

Answer:500

Step-by-step explanation:26,000/52=500 i did<em> $26,000</em> divided by 52 because there are<em> </em><em>52 weeks in a year</em> and it gave me <em>500</em> so that is how i got the answer

8 0
3 years ago
Read 2 more answers
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