3 years ago

If 9% of the bar’s weight is iron, how much does the iron weigh

Mathematics

2 answers:

azamat3 years ago

8 0

Answer:

9 pounds

Step-by-step explanation:

if the bar weighs 100 then the iron weighs 9 pounds. if the bar isnt 100 pounds then just do 9 divided by the weight then multiple that number by the percent

Leya [2.2K]3 years ago

7 0

Answer:

15 pounds

Step-by-step explanation:

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adelina 88 [10]

Answer:

IHG= scalene

HJI= isosceles

KHI= scalene

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4 0

2 years ago

PLEASE HELPPPPPP<br> The perimeter is 50 ft and the length is 15 ft.<br> What's the width?

SVEN [57.7K]

Answer:

Step-by-step explanation:

I assume it's a rectangle, therefore:

P = 50

a = 15 ft

b = ?

P = 2a + 2b

50 = 2 * 15 + 2b

50 = 30 + 2b

2b = 50 - 30

2b = 20

b = 10

8 0

2 years ago

7% of 120 (Need work shown)

inessss [21]

1% of 120 is 1.2, so 7 *1.2 = 8.4

Also you could set up the proportion 7/100 = x/120 and solve for x.

3 0

2 years ago

Read 2 more answers

The formula for the volume of a cylinder is v= 3.14r^2h. A cylinder has a volume of 300x feet ^3 and a radius of 5 feet

Fudgin [204]

Answer:

Height = 3.82

Step-by-step explanation:

(3.14)(5)²

(3.14)(25)

= 78.5

300 = 78.5h

300/78.5 = 78.5h/78.5

h = 3.821656051 or approximately 3.82

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2 years ago

Which expression best estimates Negative 18 and one-fourth divided by 2 and two-thirds?

Mars2501 [29]

Answer:

-18/3

Step-by-step explanation:

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3 years ago