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murzikaleks [220]
3 years ago
9

1. Two fifths of the 90 students were males. How many students were male?

Mathematics
2 answers:
krok68 [10]3 years ago
8 0

Answer:

36

Step-by-step explanation:

Divide 90 by 5 so that you will have groups of fifths. Each fifth of the 90 students contains 19 students. Since you need to know how many male students were in two-fifths of the students, add 19 + 19. You will get 36, your answer.

Another way you could do this is by multiplying 90 by 2/5.

slavikrds [6]3 years ago
4 0

Answer:

73

Step-by-step explanation:

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For P(x) = 2x^4 – 5x^3+x-10, use synthetic substitution to evaluate P(-2). P(1), and P(2).
marusya05 [52]

Answer:

P(-2) = 2(-2^4) - 5(-2^3) + (-2) -10

= 2(16) - 5(-8) + (-2) - 10

= 32+40-2-10

= 60

P(1) = 2(1^4) - 4(1^3) + (1) - 10

= 2 - 4 + 1 - 10

= -11

P(2). = 2(2^4) - 5(2^3) + (2) - 10

= 2(16) - 5(8) + 2 - 20

= 32-40+2-10

= -20

8 0
3 years ago
-9×-(17-7×) combine like terms
posledela
Sure. So we have -9x, and then we can distribute the negative, just as we would do with a number. That gives us -9x-17-7x. We can combine the -9x and -7x to get -16x. Therefore, our answer is -16x-17. Hope this helped!
8 0
4 years ago
What's the sum of an infinite geometric series if the first term is 8 and the common ratio is 1∕2?
Kryger [21]

Answer:

16

Step-by-step explanation:

first term/(1-ratio)

8/(1-1/2)

8/1/2 = 16

3 0
3 years ago
What is the function for<br>y = -2x + 9<br> X-4 -4 - 2 0 2 4 . 4 y|17 _ _ _ _​
Alenkasestr [34]

Answer:

When, X=-4

y=17

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X= - 2 with y =13

X= - 1 with y =11

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X=1 with y=7

X=2 with y=5

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X=4 with y=1

As co-ordinate it'll be:

(-4,17)

(-3,15)

(-2,13)

(-1,11)

(0,9)

(1, 7)

(2,5)

(3,3)

(4,1)

4 0
2 years ago
There are 70 billion people in the world how many people die everyday
Free_Kalibri [48]
You know someone is just going to look it up? so save yourself the time and pts and look it up yourself. and the answer is <span>151,600</span>
5 0
4 years ago
Read 2 more answers
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