3 years ago

Please help with this one question thanks so much in advance yall :-)

Mathematics

1 answer:

Rus_ich [418]3 years ago

6 0

Is the question asking f(g(x))? If so the answer is 4x+20

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Let f(x) = x2- 3x - 7. Find f(-3)

Alexxx [7]

F(x) = x^2 - 3x - 7
f(-3) = (-3)^ 2 - 3(-3) - 7
f(-3) = 9 + 9 - 7
f(-3) = 18 - 7
f(-3) = 11

6 0

3 years ago

Please Help I really need the answer!!!

Gre4nikov [31]

For sketching a graph sketch on the line a trapezoid missing the bottom and the graph is continuous.

7 0

3 years ago

There are many toys in a kindergarten. The ratio of the number of dolls to the number of balls to the number of cars is 7:8:5. I

Nina [5.8K]

Answer:

There are 28 dolls, 32 balls, 20 cars for 80 total toys

Step-by-step explanation:

dolls : balls: cars: total

7 8 5 (7+8+5)

7 8 5 20

We have a total of 80

80/20 = 4

We need to multiply each number by 4

dolls : balls: cars: total

7*4 8*4 5*4 20*4

28 32 20 80

There are 28 dolls, 32 balls, 20 cars for 80 total toys

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3 years ago

Tell me the answer for 11 plz thanks if you did

aleksandr82 [10.1K]

2 Hours-$48
5 Hours-$120
A) Not sure sorry...
B) 4 1/2 Hours
~Silver

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3 years ago

Read 2 more answers

Of police academy applicants, only 25% will pass all the examinations. suppose that 12 successful candidates are needed. what is

Genrish500 [490]

The probability is 0.0008.

I used a binomial probability on this one, since there are two outcomes (either pass or fail); the events are independent (the probability of one person passing does not influence the probability of another passing); and there are a fixed number of trials (in this case, 20).

For binomial probabilities, we use the formula:
$_nC_k=p^k*(1-p)^{n-k}$

With our information, we have:

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3 years ago