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3 years ago

Can someone help me & show steps? Thank you

Mathematics

1 answer:

WARRIOR [948]3 years ago

8 0

If this is a cube and each side is 6ft, each face will have an area of 6ft * 6ft, or 36ft. There are 6 faces on a cube, so 36ft * 6 = 216ft² as the surface area (it's also the same as 6³, fancy huh?)

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Dennis mowed his next door neighbor's lawn for a handful of dimes and nickels 80 coins in all. upon completing the job he counte

lbvjy [14]

54 Dimes and 28 nickles

6 0

3 years ago

Ruby stands at 5 feet tall her shadow is 6 feet long how far is it form the top of her head to the end of the shadow

alisha [4.7K]

Answer: 7.81 feet

Step-by-step explanation:

This scenario forms a right-angled triangle where Ruby's height of 5 feet is the height of the triangle. Her 6 feet long shadow is the length of the triangle and the distance from the top of her head to the end of the shadow is the hypotenuse.

This can therefore be solved by the Pythagorean formula:

c² = a² + b²

where ;

c = hypotenuse

a = height

b = length

c² = 5² + 6²

c² = 25 + 36

c² = 61

c = √61

c = 7.81 feet

7 0

3 years ago

Ampicillin 250 mg IM every 12 hours is ordered. After reconstitution, there's 125 mg/mL. How many mL would you give?

Vanyuwa [196]

Answer:

Correct choice is C. 2 mL.

Step-by-step explanation:

Given that Ampicillin 250 mg IM every 12 hours is ordered. After reconstitution, there's 125 mg/mL. Now we need to find about how many mL would you give.

Let number of ml needed = x.

Since ratio of mg per mL will be fixed so we get equation:

$\frac{mL}{mg}=\frac{x}{250}=\frac{1}{125}$

$\frac{x}{250}=\frac{1}{125}$

$x=\frac{1}{125} \times 250$

$x=\frac{250}{125}$

$x=2$

Hence correct choice is C. 2 mL.

4 0

4 years ago

A car can travel 476 miles on 14 gallons of gas write an equation relating the distance d to the number of gallons g how many ga

PilotLPTM [1.2K]

The car gets 34 miles per gallon (476/14 = 34)
d=578
g=gallons needed
34 = miles per gallon

Solving for g......
578 = 34g
578/34= g
<span>g = 17</span>

8 0

3 years ago

Can someone help me with this problem?!??

KengaRu [80]

Answer:

See below and attached.

Step-by-step explanation:

Draw a rectangle.

Divide it in half.

Divide each part in half again.

Lastly, divide each part again in half.

This will give a total of 8 sections.

Project a uses 1/2 of the fabric. This means it will use 4 out of the 8 pieces.

Project b uses 1/4 of the fabric. This means it will use 2 out of 8 pieces.

So the fabric that is left is 1 - 1/2 - 1/4 = 1/4.

You can find the amount left for any number of yards of fabric by taking f(x) = x/8 - 3/4

6 0

3 years ago