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hram777 [196]
3 years ago
10

I need help asap, please ! 5+(−3)(6x−5) simplify this

Mathematics
1 answer:
timofeeve [1]3 years ago
3 0

Answer:   -18x+20

Step-by-step explanation:

5+(−3)(6x−5)

=5+(−3)(6x−5)

=5-18x+15

=-18x+20

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If 3a + b + c = -3, a+3b+c = 9, a+b+3c = 19 find a*b*c
VashaNatasha [74]

Answer:

a=-4

b=2

c=7

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5 0
3 years ago
Look at the subtraction expression below.
Oksanka [162]
A.
Because the negatives cancel each other out to make a positive
7 0
2 years ago
If f(x) = 8 – 10x and g(x) = 5x + 4, what is the value of (fg)(–2)?
Vedmedyk [2.9K]
F(x) = 8 - 10x

g(x) = 5x + 4

Finding (fg)(-2).

First let us find fg(x),  this is the same as f(g(x))

f(g(x))

f(5x + 4)

Recall, f(x) = 8 - 10x, therefore f(5x + 4) would be such that anywhere we see x in the f(x), we replace it with 5x + 4

f(x) = 8 - 10x

f(5x +4) =  8 - 10(5x + 4)

             =  8 - 50x - 40

             = -50x + 8 - 40

             =  -50x - 32

f(g(x)) = fg(x) = -50x - 32

fg(-2) = -50*(-2) - 32 = 100 - 32 = 68

Therefore fg(-2) = 68

I hope this helped.
5 0
3 years ago
Mark got 14 problems wrong on his test. His score was 72% correct. How many problems were on the test? Please show work.
stira [4]
Consider that 100%-72%=28% represents the percentage of wrong answers. I would think as fractions as:
if 100%  is the total number of answers and 28% are the wrong ones
as
if x is the total you have 14 wrong you can write:
\frac{100}{28} = \frac{x}{14}
x=(100/28)*14=50 questions
7 0
3 years ago
WHOEVER ANSWERS FIRST GETS BRAINLIEST
Lelu [443]

Answer: i think c

Step-by-step explanation:

i thought this was free points lol

3 0
3 years ago
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