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Lerok [7]
3 years ago
15

Alejandro looked at his first three science tests for the quarter. His scores are represented in different ways. Test 1 number o

f correct questions is 21, number of total questions is 25 what is the percent correct. Test 2 number of correct questions is 17, what is the number of total questions and the percent correct is 85%. Test 3 what is the number of correct questions, number of total questions is 30 and the percent correct is 80%. Determine all missing values for the table above. Show your work in the space below.
Mathematics
1 answer:
hodyreva [135]3 years ago
4 0
He would have gotten 24 right out of 30 questions to get 80% on his 3rd test

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26 is the answers for the question

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A newborn child receives a $20,000 gift toward a college education from her grandparents. How much will the $20,000 be worth in
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21 Savage- ALOT

Step-by-step explanation:

8 0
3 years ago
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A school gymnasium is being remodeled. The basketball court will be similar to an NCAA basketball court, which has a length of 9
valkas [14]

Answer:

Perimeter of NCAA court=288 feet

Perimeter of new court=259.2 feet

Step-by-step explanation:

We are given that

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Width of NCAA court, b=50 feet

Width of new court, b'=45 feet

We have to find the perimeter of an NCAA court and new court in the school.

Perimeter of NCAA court=2(l+b)

Perimeter of NCAA court=2(94+50)feet

Perimeter of NCAA court=288 feet

When two rectangles are similar then  the ration of their   corresponding sides are equal.

Using the  property

\frac{Perimeter\;of\;NCAA\;court}{Perimeter\;of\;new\;court}=\frac{Width\;of\;NCAA\;court}{Width\;of\;new\;court}

\frac{288}{Perimeter\;of\;new\;court}=\frac{50}{45}

Perimeter of new court=\frac{288\times 45}{50} feet

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6 0
3 years ago
Evaluate the expression 4!
kow [346]

Answer:

24

Step-by-step explanation:

Using the definition of factorial

n! = n(n - 1)(n - 2) ....... × 3 × 2 × 1, hence

4! = 4 × 3 × 2 × 1 = 24

5 0
3 years ago
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The sum of two numbers is- 4/3. If one of the numbers is -5, what is the<br>other?​
kipiarov [429]

Answer:

\boxed{\sf \ \ \ \dfrac{11}{3} \ \ \ }

Step-by-step explanation:

hello,

let's note x this number we can write

x-5=\dfrac{-4}{3}\\ 3x-15=-4\\ 3x=+15-4=11\\ x = \dfrac{11}{3}

hope this helps

4 0
3 years ago
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