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Alex17521 [72]
3 years ago
14

Carissa also has a sink that is shaped like a half-sphere. The sink has a volume of 3617 in3. One day, her sink clogged. She has

to use one of two conical cups to scoop the water out of the sink. The sink is completely full when Carissa begins scooping.
(a) One cup has a diameter of 2 in. and a height of 4 in. How many cups of water must Carissa scoop out of the sink with this cup to empty it? Round the number of scoops to the nearest whole number

i need help asap
Mathematics
1 answer:
Oxana [17]3 years ago
3 0

Answer:

864

Step-by-step explanation:

Volume of cup = ⅓pi×r²×h

Diameter = 2, radius = 1

= ⅓×3.142 × 1² × 4 = 4.1893333333 in³

To empty the sink, 864 scoops will be required

(3617/4.1893333 = 863.383)

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ella [17]

Answer:

∠1 and ∠3

∠6 and ∠8

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4 0
3 years ago
HELP ASAP PLS!!!
nirvana33 [79]

Answer:

176 seconds

Step-by-step explanation:

By using regression line calculator,

Equation of the line of best fit will be,

T = -12.55x + 276.52

Here , T = time taken to cover one lap

x = Age

If the age of Marsha's son is 8 years then expected time taken by her son to cover one lap will be,

T = -12.55(8) + 276.52

T = -100.4 + 276.52

T = 176.12 seconds

Therefore, approximate time taken by Marta's son will be 176 seconds.

4 0
2 years ago
Please help me ASAP!!!
vlada-n [284]

Answer:

a) 6 1/4% of $3,875 is $242.18.

b) 16 2/3% of 96 lamps is 16 lamps.

c) 87 1/2% of 540.72 is 473.11

d) 33 1/3% of 750 boys is 252.52 boys

e) 66 1/2 % of 240 kg is 159.6 kg.

Step-by-step explanation:

x% of y is calculated as \frac{x}{ 100} \times y

Here calculating the given percentages:

a) 6 1/4% of $3,875

Now, 6 1/4 = 6+ 1/4 = 6.25

⇒6.25% of $3,875  = \frac{6.25}{100}  \times 3,875 = 242.18

Hence, 6 1/4% of $3,875 is $242.18.

b) 16 2/3% of 96 lamps

Now, 16 2/3 = 16+ 2/3 = 16.67

⇒16.67% of 96 lamps  = \frac{16.67}{100}  \times 96 = 16

Hence, 16 2/3% of 96 lamps is 16 lamps.

c) 87 1/2% of 540.72

Now, 87 1/2 = 87+ 1/2 = 87.5

⇒87.5 % of 540.72  = \frac{87.5}{100}  \times 540.72 = 473.11

Hence, 87 1/2% of 540.72 is 473.11

d) 33 1/3% of 750 boys

Now, 33 1/3 = 33+ 1/3 = 33.67

⇒33.67 % of 750 boys   = \frac{33.67}{100}  \times 750 = 252.52

Hence, 33 1/3% of 750 boys is 252.52 boys

e) 66 1/2 % of 240 kg

Now, 66 1/2 = 66+ 1/2 = 66.50

⇒66 1/2 % of 240 kg   = \frac{66.50}{100}  \times 240 kg = 159.6

Hence, 66 1/2 % of 240 kg is 159.6 kg.

4 0
3 years ago
Mark has a standard deck of 52 cards and a fair two-sided coin. What is the probability that he will pull a jack from the deck o
ad-work [718]

Answer:

1/26

Step-by-step explanation:

there are 4 jacks in a deck and one heads on a coin. So you take 4/52 and mutiply it by 1/2 and get 1/26

6 0
3 years ago
Read 2 more answers
Yolanda is currently an 18 year old senior. If she works from the time she finishes her education, how old must she be to collec
harkovskaia [24]

The age at which Yolanda  is entitled to receive the full value and benefits of social security is at age 70.

<h3>What is social security?</h3>

Social security is a benefit that a citizen is entitled to after retirement from work. However, the person must have attained a certain age before he/she can start receiving social security.

The age at which a person is entitled to receive the full value and benefits of social security is at age 70.

Learn more about social security:brainly.com/question/23913541

#SPJ1

8 0
2 years ago
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