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makvit [3.9K]
3 years ago
6

4. Mr. Kirk graded 4,212 word problems. Each problem took about

Mathematics
1 answer:
bixtya [17]3 years ago
4 0
4,212 divided by 4
1,053 minutes to grade
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Simplify (2x+1)(3x-2)/24x^2-4x-8. The simplified form is ____
scZoUnD [109]
The simplest form is 1/4 or 0.25 

6 0
4 years ago
2) What is the value of the digit 2 in the number 529?*<br> 12<br> 20<br> 29<br> 200
alex41 [277]

Answer:

20

Step-by-step explanation:

2 in 529 is in the tens place - 10

So if 2 is in the tens place, we have 20 as the value of 2.

4 0
4 years ago
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30 minutes into 3 feet per minute
Soloha48 [4]

Answer:

This is how you convert

Step-by-step explanation:

Feet per minute is speed unit, symbol: [fpm]. Definition of 1 feet per minute ≡ 1 ft / 60 s = 30.48 cm / 60 s. The speed with which the body moves 1 foot (or 30.48 centimetres) in 1 minute.. Compared to metre per second, feet per minute is smaller unit.

5 0
3 years ago
Will give brainliest. 50 points.. find the surface area of the cone in terms of pi please help.
horsena [70]

so, the diameter of the cone is 12 cm, therefore its radius is 6 cm, keeping in mind its slant height is 18 cm.


\bf \textit{surface area of a cone}\\\\ SA=\pi r\stackrel{slant~height}{\sqrt{r^2+h^2}}+\pi r^2~~ \begin{cases} r=radius\\ -------\\ \qquad ~~ ~~ ~ r=6\\ \sqrt{r^2+h^2}=18 \end{cases} \\\\\\ SA=\pi (6)(18)+\pi (6)^2\implies SA=108\pi +36\pi \implies SA=144\pi

3 0
3 years ago
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Please help if u can
laila [671]
Area of parallelogram 
A = bh
A = 11 x 9 = 99

area of triangle
A = 1/2bh
A = 1/2 (7)(11)
A = 38.5

area of figure

99 + 38.5 = 137.5 

answer
137.5 cm^2
4 0
4 years ago
Read 2 more answers
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