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mojhsa [17]
3 years ago
15

Shelly is using a vase shaped like a triangular prism to display a dozen roses. The volume

Mathematics
1 answer:
erastova [34]3 years ago
7 0

Answer:

  • 11 inches

Step-by-step explanation:

Assume the base is right triangle.

<u>The volume:</u>

  • V = bh = 1/2abh

<u>Substitute values and solve for h:</u>

  • 154 = 1/2(7)(4)h
  • 154 = 14h
  • h = 154/14
  • h = 11 inches
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The perimeter of the new m-phone is 16 inches. The phones length is 5.25 inches. What is the width of the phone
True [87]
Perimeter is all the sides added up together.
Divide 16 by 2, so that you can get just a measurement of the length and the width.

16/2 = 8

Since the length is 5.25, subtract that by 8.

8-5.25 = 2.75

The width of the phone is 2.75 inches.
5 0
3 years ago
Portia and her friends bought 8 pizzas. They initially ate one-third of the pizzas. Later
konstantin123 [22]

Answer:

⅕

Step-by-step explanation:

Ate ⅓, so 1 - ⅓ = ⅔ left

⅔ of 8 = ⅔ × 8 = 16/3

Ate ⅖, so 1 - ⅖ = ⅗ left

⅗ of 16/3 = ⅗ × 16/3 = 16/5 = 3⅕

Ate 3 more, so

3⅕ - 3 = ⅕ left

7 0
3 years ago
K I don't feel like doing this either so.
frutty [35]

Answer: 68 minutes or 1 hour and 8 minutes spent in all putting up the fence

Step-by-step explanation:

(4/5) x 60 = 48 minutes

4/5 is the same as 0.8, which is what you get when you divide four by 5

So, 0.8 x 60 = 48 is also acceptable

Then,

(1/3) x 60 = 20 minutes

1/3 is the same as 0.333333333333, which is what you get when you divided 1 by 3

So, 0.33333(and so on) x 60 = 20

- Typically, you can round 0.3333333 down to something like 0.333 which should give you a similar answer

Then, as it asks you for how much time he spent in all, you add those two together

48 minutes + 20 minutes = 68 minutes  OR 1 hour and 8 minutes (There is sixty minutes in 1 hour, so subtract the 60 from 68 and then you have 8 minutes left, thus 1 hour and 60 minutes)

3 0
3 years ago
An artist mixes blue and yellow to make a shade of green. The ratio of blue to yellow is four to one. The color blue makes up wh
Leona [35]
Hello! The ratio is 4:1, meaning that there are 4 blues for 1 yellow. 4 + 1 is 5. There are 5 parts of paint. This also means that 4 out of 5 of the mixture is blue. The color blue makes up 4/5 of the mixture.
8 0
3 years ago
Use the Distributive Property to solve the equation.
aliya0001 [1]

Answer:

x = -6

Step-by-step explanation:

-5(x + 3) = 15

Distribute the -5

-5x -15 =15

Add 15 to each side

-5x-15+15 =15+15

-5x = 30

Divide each side by -5

-5x/-5 = 30/-5

x =-6

8 0
4 years ago
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