Using the example above, the new high way will be a total of 54 miles long. Will the highway be finished in 8 months

Answers

Answer 1

Answer: The above problem is incomplete. I have read the whole problem.

Given:
54 miles long highway
5 3/5 miles constructed per month.

Will the highway be finished in 8 months?

5 3/5 ⇒ ((5*5)+3)/5 = 28/5

28/5 * 8/1 = 28*8 / 5*1 = 224/5 = 44.8 miles or 44 4/5 miles

No. The highway can not be finished in 8 months. Only 44.8 miles or 44 4/5 miles will be constructed by that time.

54 ÷ 28/5 = 54 * 5/28 = 54*5 / 28 = 270 / 28 = 9.64 months or 9 18/28 or 9 9/14 months must be spend to complete the highway.

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An axiom of Geometry says that if _____ points lie in a plane, the _______ containing them also lies in the same plane.

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If TWO points lie in a plane, the LINE containing them also lies in the same plane.

Translate the sentence into an equation using n as the unknown number. Then solve the equation for n.Two times a number increased by 5 is 15.

a.
2n(5) = 15
n = 1.5
c.
2n + 5 = 15
n = 20
b.
2n + 5=15
n = 5
d.
n + 5 = 15
n = 10

Answers

$n-the\ unknown\ number\n\n2n+5=15\ \ \ \ |subtract\ 5\ from\ both\ sides\n\n2n=10\ \ \ \ \ |divide\ both\ sides\ by\ 2\n\n\boxed{n=5}\n\nAnswer:\boxed{2n+5=15;\ n=5}$

What plus what equals 11 and what times what equals 30

Answers

The numbers that add up to 11 and multiply to 30 are 5 and 6

How to determine the numbers

From the question, we have the following parameters that can be used in our computation:

Multiply = 30

Addition = 11

Let the numbers be x and y

So, we have

xy = 30

x + y = 11

Let x be 5 and y be 6

So, we have

5 * 6 = 30

5 + 6 = 11

Hence, the numbers are 5 and 6

Answers

9. $V = (√(3))/(2)a^(2)h$
$V = (√(3))/(2)(4)^(2)(8)$
$V = (√(3))/(2)(16)(8)$
$V = (√(3))/(2)(128)$
$V = (128√(3))/(2)$
$V = 64√(3)\ cm^(3)$
The answer is D.

10. V = ¹/₃πr²h
V = ¹/₃(3.14)(6)²(10)
V = ¹/₃(3.14)(36)(10)
V = ¹/₃(3.14)(360)
V = ¹/₃(1130.4)
V = 376.8 cm³
The answer is C.

11. V = ¹/₃πr²h
V = ¹/₃(3.14)(6)²(10)
V = ¹/₃(3.14)(36)(10)
V = ¹/₃(3.14)(360)
V = ¹/₃(1130.4)
V = 376.8 cm³
The answer is C.

12. V = 1¹/₃πr³
V = 1¹/₃(3.14)(3)³
V = 1¹/₃(3.14)(27)
V = 1¹/₃(84.78)
V = 113.04 cm³
The answer is C.

13. V = 1¹/₃πr³
V = 1¹/₃(3.14)(12)³
V = 1¹/₃(3.14)(1728)
V = 1¹/₃(5425.92)
V = 7234.56 cm³
The answer is A.

14. S = 4πr²
  324π = 4(3.14)(r)²
324(3.14) = 4(3.14r²)
1017.36 = 12.56r²
12.56 12.56
  81 = r²
  9 = r

V = 1¹/₃πr³
V = 1¹/₃(3.14)(9)³
V = 1¹/₃(3.14)(729)
V = 1¹/₃(2289.06)
V = 3052.08
The answer is D.

15. The answer is A.
16. The answer is A.
17. The answer is B.
18. The answer is C.

13. c
14. d
15. b
Sorry if I am not correct I'm only in 6th grade

3/7 + 2/7 as its simpliest form.

Answers

$(3)/(7)+(2)/(7)=(3+2)/(7)=(5)/(7)$

$(3)/(7)+(2)/(7)=(5)/(7)$

A recipe that makes 8 servings calls for 2/5 cup of flour. Jeff modifies the recipe so that it can serve 10. How many cups of flour does Jeff need?

A. 4 4/5

B. 1 1/4

C. 3/4

D. 12/25

Answers

THE CORRECT ANSWER IS C

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