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RoseWind [281]
2 years ago
15

QUICK PLS HELP

Mathematics
1 answer:
Lilit [14]2 years ago
5 0

Answer:

Step-by-step explanation:

60% = 7.2/12

83% = 10/12

He improved by a supposed 23%

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Ayo someome help quick i’ll give you brainliest
mojhsa [17]

Answer:

D or 4

Step-by-step explanation:

3x3.1415 is ~9.42

sq. rt. of 10 is ~3.16 so order them.

3.16 3.25 9.42 or 10, 3.25, 3pi

6 0
3 years ago
at the car wash fundraiser jenna's team washed 14 cars in 45 minutes. if they keep up at that rate, how many cars can the team w
s2008m [1.1K]
You can write it as a proportion and then solve the proportion. 
(2.5 hours is 150 minutes)
14 cars          x cars
--------------- = -------------------
45 minutes    150 minutes

Then solve.

x=46.6666666
So that is about 47 cars
4 0
3 years ago
The figure shows a rectangle ABCD where the diagonals AC and BD intersect E. Given that BEC=52.
denis23 [38]
Ii is the correct answer and try using photomath it helps ;)
3 0
2 years ago
Solve and graph the inequality 6 + 3n ≤40
Kazeer [188]
6+3n≤40
Use inverse operations i.e.
4x+2<10
    -2    -2
4x<8
4*x/4<8/4
x<2
7 0
3 years ago
A figure is composed of a semicircle and a right triangle. Determine the area of the shaded region. Use 3.14 for π and round to
Aliun [14]

Answer:

A=9.5\ ft^2

Step-by-step explanation:

we know that

The area of the shaded region is equal to the area of triangle plus the area of semicircle

so

A=\frac{1}{2}bh+\frac{1}{2}\pi r^{2}

we have

b=4\ ft

Find the height of the right triangle applying the Pythagorean Theorem

5^2=h^2+4^2

h^2=9\\h=3\ ft

The radius of the semicircle is half the height of triangle

r=3/2=1.5\ ft

substitute in the formula

A=\frac{1}{2}(4)(3)+\frac{1}{2}(3.14)(1.5)^{2}

A=6+3.5=9.5\ ft^2

5 0
3 years ago
Read 2 more answers
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