Use properties to find the sum or product 5×23×2

Answers

Answer 1

Answer: You go from left to right; so, 5 x 23 is 115, bring the x2 down and multiply 2 by 115, and you get 230.

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FInd the volume of a right circular cylinder in terms of height "h" and simplify the expression where r = 2/3h

Answers

Vol of right circular cylinder = Area of base x height
   Vol = πr²*h
   = π (2/3h)²*h > r = 2/3h
      = π4/9h³

I need help with 19 20 21

Answers

19) 5c+c=-6+2
6c=-4
c=-4/6
c=-2/3

20) -20-8=-2e
-28=-2e
28/2=e
14=e

21)p-2w=2l
(p-2w)/2=l

8 students are painting 2 boards for a project the students want to divide the work equally.How much the board should each student paint?

Answers

ok well if you have 8 students and 2 boards divide the students by 2.
8/2=4
now, if each student wanted to paint part of a board and there are four students then divide 1 by 4
1/4=.25 or 1/4
so 4 students can paint one board while the other 4 students pain the other board

4 students can paint one board

Allen runs 8 miles in 3 hours at a steady pace. how long does it take him to run 3 miles

Answers

$\begin{array}{ccc}8miles&-&3hours\n\n3miles&-&xhours\end{array}\n\n8x=3\cdot 3\n\n8x=9\ \ \ \ /:8\n\nx=(9)/(8)\n\nx=1(1)/(8)\ (h)$

$v=(8)/(3)\ mph\n\ns=3miles\n\nt=s:v\n\nt=3:(8)/(3)=3\cdot(3)/(8)=(3)/(1)\cdot(3)/(8)=(9)/(8)=1(1)/(8)\ (h)$

It takes Allen 1 1/8 hours to run 3 miles.

Which fraction, decimal number, and percent are equivalent? A. 2/5, 0.40, 40%
B. 2/4, 0.92, 34%
C. 125/1,000, 0.04, 87%

Answers

Answer:

A. 2/5, 0.40, 40%

Step-by-step explanation:

To turn a fractions into a decimal divided the numerator by the denominator. 2/5=0.40.

Please help me ASAP!! #1-20 both pages please, thanks!!! :D

Answers

This is all easy!

1st page (attached)
#1 = 6(x + 3) #11 = 5n - 40
#2 = 4x + 28 #12 = 30 + 54x
#3 = 27n + 45 #13 = 6(4 + 3a)
#4 = 4(x - 8) #14 = 88 - 66w
#5 = 5(3x - 1) #15 = 6(7 - 6x)
#6 = 6(5p + 3) #16 = 250m + 75
#7 = 24x + 56 #17 = 2(3 + 7x)
#8 = 63a + 84 #18 = 30p - 40
#9 = 6(7 + y) #19 = 14n + 12
#10 = 3c + 12 #20 = 10(4w + 7)

2nd page: (attached)
#1 = 5(x + 4) #2 = 3x + 18
#3 = 32n + 24 #4 = 7(x - 5)
#5 = 6(2x - 1) #6 = 4(5p + 4)
#7 = 18x + 82 #8 = 30 + 65a
#9 = 9(4 + y) #10 = 6c + 48
#11 = 7n - 21 #12 = 24 + 20x
#13 = 3(7 + 5a) #14 = 20 - 16w
#15 = 4(8 - 3x) #16 = 20m - 70
#17 = 4(2 + 9x) #18 = 66 + 44p
#19 = 100n + 200 #20 = 10(2w + 3)

Check for the signs when writing them down in your workbook.

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