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Simora [160]
3 years ago
6

If f(x) = 8 – 10x and g(x) = 5x + 4, what is the value of (fg)(–2)? –196 –168 22 78

Mathematics
2 answers:
nirvana33 [79]3 years ago
7 0

Answer:

fg(-2)=f(5×-2+4)=f(-6)=8-10×-6=8+60=68

Degger [83]3 years ago
7 0

Answer:

Its B, -168

Step-by-step explanation:

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Help please anyone thank you
vampirchik [111]

Answer:

true

Step-by-step explanation:

the line is going down. if it was positive then it would be going from left all to right going up.

7 0
2 years ago
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Simplify (3 - √7)(5 + √7)
MaRussiya [10]
You can use F.O.I.L. for this, which if you don't know stands for first outer inner last, so multiply the first in each parentheses, then the outer, then the inner, then the last. yours would be 3*5+3*√7+(-√7)*5+(-√7)*√7 => 15+3√7-5√7-7 => 8-2√7
Final answer:
8-2√7
Hope I could help :)
3 0
3 years ago
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If mC = 90°, side c = 29, and side a = 21, then side b = 18.
Triss [41]
The 3 sides should obey the Pythagorean Theorem
29^2 = 21^2 + 18^2
29^2 does not equal 441 + 324 = 765
29^2 = 841

7 0
3 years ago
Find the probability of no more than 2 successes in a trial of 5 in which the probability of success in any one trial is 18%
SSSSS [86.1K]

Answer:

0.956

Step-by-step explanation:

X is the random variable representing the number of successes in the experiment in question;

X is represented by a binomial distribution with 5 trials and 0.18 probability of success, X~B (5, 0.18);

The probability of r successes, P(X=r), is found using the formula shown in second pic;

Working is shown in the other pic.

4 0
3 years ago
Can someone help me.. I’m about to cry- this stuff is due today
snow_tiger [21]

Answer:

For 5 - 10 it would be

-6a - 48

4 + 36x

-30n + 42

18m + 20

32 + 24n

-8b - 32

For numbers 1, 3, and 4

1. is b

2. is c

3. is d

4. a

5 0
2 years ago
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