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defon
2 years ago
9

in Mr. Diaz's class, 20% of the students receive a grade A on there report cards. there are 25 students in mr. diazs class. how

many students got a grade a on there report card?
Mathematics
2 answers:
Len [333]2 years ago
8 0
20 percent of the student receive an A. There are 20 student.you would multiply 25x.20 which is 20 percent.equals 5. The answer is 5 students received an A
Rainbow [258]2 years ago
3 0
Five because 2o percent of 25 equals 5
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Which factors can be multiplied together to make the trinomial 5x2 + 8x – 4? Check all that apply.
natulia [17]
Which factors can be multiplied together to make the trinomial 5x2 + 8x – 4? Check all that apply.

(x + 1)

(2x + 1)

(x + 2)

(5x + 1)

<span>(5x – 2)

Solution :

By multiplying (5x - 2) and (x + 2), the given trinomial will be obtain as follow. 
 </span>(5x - 2) * (x + 2) = (5x * x) + (5x * 2) - (2 * x) - (2 * 2)
=  <span>5x^2 + 10x - 2x - 4
= </span>5x^2 + 8x - 4
4 0
3 years ago
Read 2 more answers
The average attendance at a local high school this year was 950 students. Each year the attendance decreases at a rate of 5% per
o-na [289]

Answer:

Number of students= 820.64 = 821

Step-by-step explanation:

Giving the following information:

Current attendance= 950 students

Number of periods= 3 years

Decrease rate= 5%

<u>To calculate the number of students in attendance in 3 years, we need to use the following formula:</u>

Number of students= current attendance*(1+decrease rate)^(-n)

Number of students= 950*(1.05^-3)

Number of students= 820.64 = 821

5 0
2 years ago
The price of a computer at an electronics store is $1200. If the store gives an "End of the year Sale"
madam [21]
Answer
$960

Explanation
1,200 × 20 ÷ 100 = 240
1,200 - 240 = 960
8 0
1 year ago
Read 2 more answers
What is the value of the fourth term in a geometric sequence for which ay =
enot [183]

Answer:

a₄ = 1.25

Step-by-step explanation:

Given that,

First term of GP, a₁ = 10

The common ration of GP, r = 0.5

The nth term of the GP is given by :

a_4=a_1r^{n-1}\\\\a_4=a_1r^3\\\\a_4=10\times (0.5)^3\\\\a_4=10\times 0.125\\\\a_4=1.25

So, the fourth term of the GP is 1.25.

5 0
3 years ago
What is 8= 2 + 2u because I don’t know it
meriva

Answer:

u = 3

Step-by-step explanation:

Subtract 2 on both sides.

8 - 2 = 2u

Add like terms.

6 = 2u

Divide by 2 on both sides.

u = 3

8 0
2 years ago
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