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bearhunter [10]

3 years ago

8

Denise provides water for the runners at her schools 10K road race. She has a container that holds 678 ounces of water. How many

8-ounce cups can she fill with water?__________cups

2 answers:

prisoha [69]3 years ago

8 0

divide total ounces by the amount each cup can hold

678 / 8 = 84.75

so they can fill 84 cups

Natalija [7]3 years ago

8 0

678 oz/ 8 = # of cups she can fill

678/8 = 84.75

She can fill 84 cups

hope this helps

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A conical-shaped umbrella has a radius of 0.4 m and a height of 0.45 m. Calculate the amount of fabric needed to manufacture thi

GenaCL600 [577]

Answer:

0.76m²

Step-by-step explanation:

In the above question, we are given the following information.

Radius = 0.4m

Height = 0.45m

To solve this question, The umbrella is CONICAL in shape and it has no BASE, we would be finding the lateral surface area of a cone. Since we are given height and radius :

Lateral Surface Area of a cone =

πr√(h² + r²)

= π × 0.4√(0.45² + 0.4)

= 0.7566m²

≈ Approximately = 0.76m²

Therefore, the amount of fabric needed to manufacture this umbrella is 0.76m²

8 0

3 years ago

A lawn sprinkler sprays water 25 feet and moves back and forth through an angle of 150°. Which of the following is the best esti

11Alexandr11 [23.1K]

$\pi25 ^{2} \times \frac{150}{360}$
Explanation:
Area is pi×r^2 and you times it by the fraction of the circle you have as its not a full circle.

5 0

3 years ago

Help on solving for x

Law Incorporation [45]

$\dfrac{x}{e^5}=e^{-4}|\cdot e^5\\
x=e^{-4}\cdot e^5\\
x=e\approx2.72


$

4 0

3 years ago

Evaluate: b ÷ a for a = 2 and b = 18

Jlenok [28]

Answer:

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Step-by-step explanation:

i did it mentally lol

7 0

3 years ago

Read 2 more answers

Jack and Jill start driving from the same location. Jack drives 30 miles south while Jill drives west. If Jack and Jill are 78 m

arsen [322]

Answer:

72 mles

Step-by-step explanation:

For better understanding, I'll make use of an attachment.

From the attachment,

O represents the start point

$OB = 30$ --- Jack

$AB = 78$ -- Distance between them

Required

Find OA; Jack's distance

To do this, we make use of Pythagoras theorem

$AB^2 = OA^2 + OB^2$

This gives:

$78^2 = OA^2 + 30^2$

$6084 = OA^2 + 900$

Subtract 900 from both sides

$OA^2= 6084 - 900$

$OA^2= 5184$

Take square roots

$OA = \sqrt{5184}$

$OA = 72$

<em>Hence, Jill drove 72 miles</em>

5 0

3 years ago