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Yuki888 [10]
3 years ago
5

What is the area of a circular cardboard piece needed for the base of a model of a volcano that is 20 centimeters tall and has a

volume of 960 cubic centimeters?
Which equation represents this real-world problem?

V = one-third (960) (20)
20 = one-third 960 (h)
960 = one-third pi 10 squared h
960 = one-third B (20)
Mathematics
2 answers:
azamat3 years ago
7 0

Answer:

D

Step-by-step explanation:

Shkiper50 [21]3 years ago
3 0

Answer:

The answer is d for reaaal

Step-by-step explanation:

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Bret works for a printing company-each document takes 8 sheets of paper-he has 500 sheets-how many documents can he print
Juli2301 [7.4K]

Answer:

He can print 62 documents

Step-by-step explanation:

500/8=62.5

He can print only 62 documents because he cannot print half a document.

Hope this helps!

If not, I am sorry.

7 0
2 years ago
Peggy had three times as many quarters as nickels. She had $1.60 in all. How many nickels and how many quarters did she have? Wh
svlad2 [7]
Let q and n represent the number of quarters and nickels respectively.

q=3n and .05n+.25q=1.6  These are the conditions in mathematical terms.

To solve, use the value of q from the first equation in the second equation to get:

.05n+.25(3n)=1.6  carry out indicated multiplication on left side

.05n+.75n=1.6  combine like terms on left side

.8n=1.6  divide both sides by .8

n=2, since q=3n

q=6

So Peggy had 2 nickels and 6 quarters.
3 0
3 years ago
A triangle has an area of 9m2 and a base of 6m. how do I find the height of this triangle?
KonstantinChe [14]
You know the triangle has a base of 6 meters, and that the formula to find the area of a triangle is 1/2bh or one-half of the base times the height. So, you would plug in 9 meters squared=one half of six times h, or 9m^2=1/2(6)*(h). In simplifying this, you would get 3h=9m^2. Divide both sides by three and get h=3. Hope this helps, and if you need any further explanations, please let me know!
8 0
3 years ago
Look at the figures. How can you prove these triangles are congruent?
NNADVOKAT [17]

Answer:

You can use the Side-Angle-Side Postulate.

Step-by-step explanation:

The Side-Angle-Side (or SAS) Postulate basically states that if two sides of two triangles and the included angle are congruent, the two triangles are congruent.

6 0
3 years ago
The graph shows the total number of inches of snow after different numbers of hours.
erastova [34]

Answer:

A, is the answer.

Step-by-step explanation:

If you take two points and then find the slope between them you'll find that it is 1.5.

You could also make a T-chart or plug in the x coordinates into each possible equation and see which one matches the corresponding y coordinate.

8 0
3 years ago
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