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Schach [20]
3 years ago
14

HELPPP!!! I NEED HELP WITH 1-6!!!

Mathematics
1 answer:
xeze [42]3 years ago
5 0

Explanation: turn the percentage into a decimal, like for number 4 make it 0.40
then divide it by 30
Really hopes this helps!
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At lunch, $60\%$ of the students selected soda while $20\%$ selected milk. If 72 students selected soda, how many students selec
Nadusha1986 [10]

Answer:

24 students

Step-by-step explanation:

If 60% equals 72, then 20% would be 1/3 of 72 which is 24.

7 0
3 years ago
Read 2 more answers
Using the equation 4x^3-6x^2-144x+8, find the function values f(-3) and f(-4) at the interval {-4,5}
Leto [7]

Answer: f(-3) = 278, f(-4) = 232

Step-by-step explanation:

f(x) = 4x³ - 6x² - 144x + 8

f(-3) = 4(-3)³ - 6(-3)² - 144(-3) + 8

f(-3) = 4(-27) - 6(9) - 144(-3) + 8

f(-3) = 278

f(-4) = 4(-4)³ - 6(-4)² - 144(-4) + 8

f(-4) = 4(-64) - 6(16) - 144(-4) + 8

f(-4) = 232

7 0
3 years ago
Help please I don’t understand this at all & been stuck here for a hour
ELEN [110]

Answer:

Step-by-step explanation:

4b + 8 = 20

Subtract 8 from both sides

4b + 8 - 8 = 20 - 8

4b = 12

Now divide both sides by 4

4b/4 = 12/4

b = 3

Check:

LHS = 4b + 8

       = 4*3 + 8

        = 12 + 8

        = 20 = RHS

4 0
3 years ago
HELP PLS! asap!! what is the resulting ordered pair if the value of the independent variable is 5?
Serga [27]
Independent variable is 5 means x = 5
solve for f(x) when x = 5
f(5) = -2(5) +1
f(5) = -10 + 1
f(5) = -9

Solution (5,-9)

Answer
B. (5,-9)
6 0
3 years ago
Read 2 more answers
1.
LenKa [72]
The answer would be C because they say if 3 new students arrived each year.
4 0
3 years ago
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