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irakobra [83]
3 years ago
14

F(x)=-x+2, find f(-5)

Mathematics
2 answers:
navik [9.2K]3 years ago
8 0

Answer:

7

Step-by-step explanation:

F(-5) = -(-5) + 2

f(-5) = 5 + 2

f(-5) = 7

Hope this helps! Pls give brainliest!

bearhunter [10]3 years ago
8 0

Answer:

f(-5) = 7

Step-by-step explanation:

Given the function, f(x) = -x + 2, f(-5):

We can evaluate the function by substituting the value of x = -5 as input of the function:

f(x) = -x + 2

f(-5) = -(-5) + 2

f(-5) = 5 + 2

f(-5) = 7

Therefore, f(-5) = 7.

Please mark my answers as the Brainliest, if you find this helpful :)

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Probably d because it's 23.45
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The speed(S) of a car varies partly directly as its mass(M) and partly directly as the quantity (Q) of fuel in it. When the spee
weeeeeb [17]

Answer:

S varies partly directly as M and Q.

S=C.

S=KMQ+C.

For the first one...

speed=80,m=220,Q=30.

80=K20×30+C.

80=600K+C......(I).equation one.

For the second one....

speed=60,m=300,Q=40.

60=K300×40+C.

60=12000K+C.....(ii). equation two.

Minus eqtn(I) from eqtn(ii).

80=600K+C.

- 60=12000K+C.

K=0.01754~0.018.

Substitute K=0.018 into eqtn(I).

80=600K+C

80=600×0.018+C.

80=10.8+C.

C=80-10.8=69.2.

The relation is S=0.018MQ+69.2

when speed is 100 and mass is 250 find the volume.

100=0.018×250×Q+69.2.

100=4.5Q+69.2.

4.5Q=100-69.2

4.5Q=30.8.

Q=30.8/4.5.

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6 0
3 years ago
Select the correct answer. robin randomly selects a number between 1 and 20. what is the probability that the number selected is
Vlada [557]

The probability that the number selected is the square of a natural number will be  \frac{1}{5}.

<h3 /><h3>What is probability?</h3>

Probability means possibility. It deals with the occurrence of a random event. The value of probability can only be from 0 to 1.

Its basic meaning is something is likely to happen. It is the ratio of the favorable event to the total number of events.

P is the probability

F(E) is the favorable event

T(E)is the total event

The probability is found as;

\rm P = \frac{F(E)}{T(E)} \\\\ \rm P = \frac{4}{20)} \\\\ \rm P = \frac{1}{5}

Hence the probability that the number selected is the square of a natural number will be  \frac{1}{5}.

To learn more about the probability link is given below.

brainly.com/question/795909

8 0
2 years ago
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The ratio, simplify it
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3 years ago
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Answer:

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