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Keith_Richards [23]
1 year ago
8

My sister needs some help with her homework. Can someone lend her a hand?

Mathematics
2 answers:
Neporo4naja [7]1 year ago
5 0

Answer:

600 = 10 x 60

Step-by-step explanation:

If you do 10 x 60 or 60 x 10 it'll equal 600, that's what the questons is looking for so the way it'd be written is:

6 hundreds is 10 times as much as 600.

600 = 10 x 60

Hopefully this helps! I hope you and your sister have a blessed day!

jek_recluse [69]1 year ago
4 0

Answer:

6 hundred is 10 times as much as 6 <u>tens</u>

600 = 10 x <u>60</u>

Step-by-step explanation:

Counting by 60:

60, 120, 180, 240, 300, 360, 420, 480, 540, 600

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Translate this word phrase into a variable expression. 25 decreased by the sum of 6 and a number
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6x-25 six and a number(x) decreased by 25

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3 years ago
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A supply company manufactures copy machines. The unit cost C (the cost in dollars to make each copy machine) depends on the numb
sergij07 [2.7K]

Answer: \$18,629

Step-by-step explanation:

Given

The unit cost is given by

C(x)=0.6x^2-168x+30,389

find the derivative of the unit cost and equate it to zero to obtain the minimum value

C'(x)=0.6\times 2x-168\\\Rightarrow 0.6\times 2x-168=0\\\Rightarrow 1.2x=168\\\\\Rightarrow x=\dfrac{168}{1.2}\\\\\Rightarrow x=140

Substitute 140 for x in the cost function, we get

C(140)=0.6[140]^2-168(140)+30,389\\C(140)=11,760-23,520+30,389\\C(140)=\$18,629

7 0
2 years ago
Solve (x - 3)^2+7=97, where X is a real number. Round your answer to the nearest hundredth.​
Eddi Din [679]

Answer:

x ≈ - 6.49, x ≈ 12.49

Step-by-step explanation:

Given

(x - 3)² + 7 = 97 ( subtract 7 from both sides )

(x - 3)² = 90 ( take the square root of both sides )

x - 3 = ± \sqrt{90} ( add 3 to both sides )

x = 3 ± \sqrt{90}

Then

x = 3 - \sqrt{90} ≈ - 6.49 ( to the nearest hundredth )

x = 3 + \sqrt{90} ≈ 12.49 ( to the nearest hundredth )

6 0
2 years ago
4 consecutive integers add up to 34. Write an equation to find the numbers
Kisachek [45]

Answer:

(n+(n+1)+(n+2)+(n+3))=34

Step-by-step explanation:

(n+(n+1)+(n+2)+(n+3))=34

To make them consecutive, means they have to be one after the other.
You assume one of the numbers are n, to make the other integers consecutive you add 1 then 2 then 3.

4 0
2 years ago
A rectangular prism is 9.8 inches long, 20 inches wide, and 5 inches high. what is the surface area of the rectangular prism?
Sliva [168]
The prism has 6 faces: 2(length·width), 2(length·heighth), & 2(width·heighth)
2(length · width) = 2(9.8 · 20) = 2(196) = 392 in²
2(length · heighth) = 2(9.8 · 5) = 2(49) = 98 in²
2(width · heighth) = 2(20 · 5) = 2(100) = 200 in²

The sum of the faces is the surface area (S.A.)
 392 in² + 98 in² + 200 in² = 690 in²






3 0
3 years ago
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