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hram777 [196]
3 years ago
12

Evaluate f(x) = -x^2 +1 for x=-3

Mathematics
1 answer:
zheka24 [161]3 years ago
5 0

Answer:

<h2>-8</h2>

Step-by-step explanation:

Put x = -3 to the f(x):

f(-3)=-(-3)^2+1=-9+1=-8

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HELP!! I only need the answer. Thank you!
zvonat [6]
The answer would be 6 3/8

Hope this helps c:
5 0
2 years ago
Simplify: −3 • −26<br><br> A. −78<br> B. −68<br> C. 68<br> D. 78
hammer [34]
-3 x -26 = 78

meaning the answer is D.

The reason the answer is D, is because two negatives when multiplied or divided become positive. Only when multiplied or divided does this occur.
3 0
1 year ago
Please help!
Reika [66]

The greatest number of friends who can receive a necklace is 6. The reason why is because 6 is the greatest common factor of 72 and 42.

Each friend will have 12 blue beads and 7 red beads. If you divide 6 (GCF) with both numbers you get 12 and 7.

Hope this helps :3


4 0
3 years ago
A hydro company is laying down power lines in the ground. They have two sections of cable so far that are 325.0 m and 430.0 m lo
Hoochie [10]

The length of extra cable that is required to connect the two pieces of existing cable is equal to 182 meters.

<h3>How to determine the length of extra cable?</h3>

In order to determine the length of extra cable that is required to connect the two pieces of existing cable, we would apply the law of cosine as follows:

B² = A² + C² - 2(A)(C)cosB

Substituting the given parameters into the formula, we have;

B² = 325.0² + 430.0² - 2(325.0)(430.0)cos23

B² = 105,625 + 184,900 - 279,500(0.9205)

B² = 290,525 - 257,279.75

B² = 33,245.25

B = √33,245.25

B = 182.33 ≈ 182 meters.

Read more on cosine law here: brainly.com/question/11000638

#SPJ1

3 0
2 years ago
HELP ME PLEASE GUYS THANKS!
Lostsunrise [7]

The answer is in the image:

8 0
2 years ago
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