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Bad White [126]
3 years ago
10

Hope watches a movie Friday night that was two and one-half hours long. On Saturday, she watched a documentary half as long as F

riday’s movie. How long was the documentary?
Mathematics
2 answers:
Zolol [24]3 years ago
5 0

Answer:

1 hour and 15 minutes thats how long the documentary was

Anna35 [415]3 years ago
5 0

Movie friday night was 2 hours and 30 minutes long.

The documentary was half as long as Friday's movie.

So it will be: \frac{2 hours  .and.  30 minutes}{2}  = 1 hour.and .15 minutes

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A cube has a volume of 2197 m^3. Its surface is to be painted. Each can of paint covers about 40 m^2. How many cans of paint are
Gelneren [198K]
<em>Volume= a³</em>
<em>a=edge</em>
<em>2197 = a³</em>
<em>=> a=13 m</em>
<em>Surface area=6a²=6*13²=6*169=1014 m²</em>
<em>\frac{1014}{40} = 25,35 ≈ 26</em>
<em>=> <u>26 cans needed</u></em>
8 0
3 years ago
Indicate the method you would use to prove the two ▲'s ≅. If no method applies, enter "none".
zysi [14]

Answer: None


Step-by-step explanation:

In the given picture , there are two triangles and their corresponding angles are equal.

So by AAA similarity criteria they are similar. But there is no other information is given to prove that they are congruent.

[∵ we know that congruent are similar but similar triangles may not be congruent.]

Therefore, there is no sufficient information to prove them congruent by using any given postulate.

Hence, the answer is "None".



4 0
3 years ago
Read 2 more answers
Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a&gt;1
Pavel [41]

Answer:

4(5x + 6)

Step-by-step explanation:

To start, let's expand things out, as we cannot learn anything from this form. We get 30x + 20 - 10x + 4, or 20x + 24. To find the GCD (Greatest Common Divisor), we take the terms and try to find the number (or term) that divides them. It must be a constant, because of the 24, and 4 goes into 20 and 24. So, our final answer is 4(5x + 6).

5 0
4 years ago
Read 2 more answers
Lance used two gallons of paint to pain 785 square feet. How many gallons will he need to purchase to cover 2,500 square feet?
Digiron [165]

Answer:

7 gallon

Step-by-step explanation:

Divide the space that needs paints by how much space has been painted

2500/785 = 3.18

Then double that because it takes 2 gallons to paint every 785 square feet

3.18 x 2 = 6.36

You would need 6.36 gallons of paint, which would round up to 7 because you cannot buy 0.36 of a gallon

8 0
3 years ago
The table below shows the number of tea bags needed to make different amounts of iced tea. What is the total number of quarts of
never [62]

Answer:

? = 6

Step-by-step explanation:

We can set up a proportion to find the solution.

\frac{4}{16}=\frac{?}{24}

(24)\frac{4}{16}=\frac{?}{24}(24)

6=?

Therefore, 24 tea bags makes 6 quarts of iced tea.

5 0
3 years ago
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