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dolphi86 [110]
2 years ago
5

PLEASE HELP! I’m stuck on number 7 and 8! I’ll mark brainliest for best answer

Mathematics
2 answers:
alexandr1967 [171]2 years ago
8 0
Question 7
-5/14

Question 8
17/3
kolbaska11 [484]2 years ago
7 0

Answer:

7.) -5/14

8.) 2 1/3

Step-by-step explanation:

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Find the volumeeeeeeee
Alla [95]

Answer:

  264 yd³

Step-by-step explanation:

The volume of a triangular pyramid can be found using the formula ...

  V = 1/2LWH

where H is the height of the triangular base.

  V = 1/2(8 yd)(11 yd)(6 yd)

  V = 264 yd³ . . . . volume of the prism

6 0
2 years ago
A company is designing a new cylindrical water bottle. The volume of the bottle will be 179 cmcubed. The height of the water bot
tresset_1 [31]

Answer:

The radius of the water bottle is 2.72cm

Step-by-step explanation:

In this question, we are concerned with calculating what the radius of the cylindrical water bottle is given its volume and height.

Mathematically, the volume of a cylinder is V = pi * r^2 * h

From the question, we know that V = 179 cm^3. , h = 7.7cm while r = ?

we substitute these values into the volume equation.

179 = pi * r^2 * 7.7

179 = 3.14 * r^2 * 7.7

179 = 24.178 * r^2

r^2 = 179/24.178

r^2 = 7.403

r = square root 7.403

r = 2.72 cm

7 0
3 years ago
Lisa's store collects 5% sales tax on every item sold. If she collected $22.00 in sales tax, what was the cost of the items her
myrzilka [38]
I did the math and i got 440
3 0
2 years ago
Read 2 more answers
The temperature was -5 ℉ in Denver and then fell 8 ℉ by the morning.<br> Answer now please
allochka39001 [22]

Answer:

it was -5 and then it fell 8 degrees

-5 -8 = -13 degrees F

Step-by-step explanation:

8 0
3 years ago
Consider a machine that exchange quarters for dollar bills. Inserting one dollar bill returns four quarters and you may insert u
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