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Ann [662]
3 years ago
10

Please help me due today i really need help PWZZZZ someone i beg of u

Mathematics
1 answer:
marissa [1.9K]3 years ago
3 0

Answer:

Step-by-step explanation:

8)Volume of cylinder = πr²h= π*3*3*10 =90π cubic inches

Volume of cone = 1/3πr²h = π*3*3*5/3= 15π cubic inches

Volume of rocket = 90π + 15π = 105π cubic inches

9) Matt made an error. radius = diameter/2 = 15/2= 7.5 cm.Instead using 7.5 in volume formula, he used diameter.

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Why is important to maintain an assessment’s validity, reliability, and equity in testing?
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Why is important to maintain an assessment’s validity, reliability, and equity in testing?

Answer: Reliability refers to the degree to which scores from a particular test are consistent from one use of the test to the next. ... Ultimately then, validity is of paramount importance because it refers to the degree to which a resulting score can be used to make meaningful and useful inferences about the test taker
6 0
3 years ago
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Combine the like terms to create an equivalent expression:<br> 8n + 12 + (-9) - (-6n)
valentina_108 [34]
The answer is 14n+3. Let me know if this is wrong
6 0
4 years ago
number cards from 1 to 10 are placed in a bag. flame chooses a card at random. what is the chance that it is a multiple of 4. an
zloy xaker [14]

The only multiples of 4 between 1 and 10 are 4 and 8.

So 2/10 will have a multiple of 4, so the answer is 20%

4 0
3 years ago
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Use the formula to evaluate the infinite series. Round to the nearest hundreth if necessary.
zalisa [80]

Answer:

4

Step-by-step explanation:

The first term is the value of the term when n=1. It is 3. The common ratio is is the value being raised to the power of (n-1). It is 1/4. Put these numbers into the formula and do the arithmetic

S = 3/(1 -1/4) = 3/(3/4) = 3·4/3 = 4

The sum is 4.

3 0
4 years ago
Henry went to an amusement park with $150.00 and spent all of it. He spent 1/5 of the money on parking He spent $37.00 on admiss
sashaice [31]

Answer:

8 games

Step-by-step explanation:

According to the problem, calculation of the given data are as follows,

Total amount = $150

Spent on Parking = 1/5 or 20% = $150 × 20% = $30

Spent on admission = $37

Spent on food = 40% = $150 × 40% = $60

Spent on admission in waterpark = $10

Each game cost = $1.5

So, let number of games played be X, then

$30 + $37 + $60 + $10 + $1.5X = $150

$137 + $1.5X = $150

1.5X = $150 - $137

1.5X = $13

X = $13 ÷ 1.5 = 8.67 or 8 games

Hence, Henry can play 8 games.

7 0
3 years ago
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