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Irina18 [472]
3 years ago
15

#20 There are 75 students.

Mathematics
2 answers:
agasfer [191]3 years ago
8 0

Answer:

15

Step-by-step explanation:

 1.  Multiply the number by the percent (e.g. 87 * 68 = 5916)

 2.  Divide the answer by 100 (Move decimal point two places to the left) (e.g. 5916/100 = 59.16)

 3. Round to the desired precision (e.g. 59.16 rounded to the nearest whole number = 59)

lianna [129]3 years ago
6 0

Answer:

i belief the answer is 15

Step-by-step explanation:

cause 20 percent of 75 is fifteen

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I need help please and thank u,
Alchen [17]

The illegal values of b are when the denominator equals 0.

So, b^2-2b-8=0 gives you (b-4)(b+2)=0

Therefore, b=4 and b=-2, which is answer A.


8 0
3 years ago
Problem: Gerri made a function machine. Find the rule for Gerri's function machine.
shusha [124]
There are an infinite number of possibilities, and not enough information
to decide which possibility is really the one inside the function machine.

Here are a few.  Each of these gives the result that you described,
and there are an infinite number of others:

f(x) = x

f(x) = 2x + 1

f(x) = 10x + 9

f(x) = x² - 2

f(x) = 7x² - 8

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.
.
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5 0
3 years ago
How do you estimate21× 78
finlep [7]

21 *78=

20 * 80=

1600 as an estimate


8 0
3 years ago
Use (a) the Trapezoidal Rule, (b) the Midpoint Rule, and (c) Simpson’s Rule to approximate the given integral
malfutka [58]

Answer:

10.294935

Step-by-step explanation:

i typed numbers

7 0
3 years ago
HOW PLEASE HELP SORRYYYYY FOR ASKING
MrMuchimi

Answer:

-7 , -5

Step-by-step explanation:

use the AC method, find two numbers that multiply to 35 and add to 12. those numbers are 7 and 5. then u have (m+7)(m+5), so m = -7,-5

4 0
3 years ago
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