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2 years ago

7

a box of 100 nails weighs 1 5/8 pounds. mark used 3 1/3 boxes of naila to build a 2 story tree house. how many pounds of nails d

id he use?

1 answer:

alekssr [168]2 years ago

5 0

Answer:

5 5/12 pounds of nails

Step-by-step explanation:

(3 1/3 boxes) × (1 5/8 pounds/box) = (10/3)(13/8) pounds = 65/12 pounds

= 5 5/12 pounds

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HELP PLEASE!!!!!!!!

lana [24]

Answer:

Step-by-step explanation:

If you divide 2,727 miles by 27 miles per gallon you will get the number of gallons: = 101. Then, multiply the number of gallons by the cost per gallon: 101(4.04) = 408.04. This gives the cost of gas for this car to travel 2,727 typical miles.

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3 years ago

I need help answering 6x+8=26

melomori [17]

First you subtract 8 from 26, which is 18. Then you divide 18 by 6, which is 3. x equals 3.

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3 years ago

Read 2 more answers

Mazyrski [523]

Answer:

Hello,

Step-by-step explanation:

y-intercept: x=0 ,f(0)=-10

$x^3-8x^2+17x-10\\\\=x^3-5x^2-3x^2+15x+2x-10\\\\=x^2(x-5)-3x(x-5)+2(x-5)\\\\=(x-5)(x^2-3x+2)\\\\=(x-5)(x^2-x-2x+2)\\\\=(x-5)(x(x-1)-2(x-1))\\\\=(x-5)(x-1)(x-2)\\$

x-intercepts are: 5,1,2.

6 0

2 years ago

-8x = -96 <br> (a)-14 <br> (b) -13<br> (c)-12<br> (D) 12

Leto [7]

Answer:

D) 12

Step-by-step explanation:

divide each term by -8 and simplify

-8/-8x=-96/-8

x=12

7 0

2 years ago

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Mel wants to buy a pair of shoes that costs $120. She has saved $45 and has a job that pays her $10 per hour. The number of hour

maksim [4K]

<h2>Answer: 8</h2>

Step-by-step explanation:

$10x+45 > 120\\10x+45-45 > 120-45\\10x > 75\\\frac{10x}{10} > \frac{75}{10} \\x > 7.5$

Therefore, Mel has to work at least 7.5 hours or 8 total hours.

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1 year ago