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makvit [3.9K]
3 years ago
15

If f(x) = -x2 + 5, what is the value of f(-3)? 0 -14 0-4 o 4 o 14

Mathematics
1 answer:
muminat3 years ago
6 0

Answer:

<h3>               - 4</h3>

Step-by-step explanation:

f(x)=-x^2+5\\\\f(-3)=-(-3)^2+5=-9+5=-4

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The height of a triangle is 9, the length is 5, what is the third side?
pentagon [3]

Use the Pythagorean Theorem to solve for the third side. The third side must be the hypotenuse since the height (vertical leg) is 9, and the length (horizontal leg) is 5.

a² + b² = c², where a and b are the legs and c is the hypotenuse. Plug in 5 and 9 for a and b; solve for c.

5² + 9² = c² ⇒ 25 + 81 = c²

106 = c²

Square root both sides.

c = 10.3

Third side: 10.3

5 0
3 years ago
A line has a slope of 1 over 4 and passes through the point 0.2 4 over 5 find the value of b , the y intercept
Finger [1]

Answer:

it equals 7

Step-by-step explanation:

7 0
3 years ago
Factor -24a3b3c3 - 84a4b2c.
sammy [17]

Answer:

-12a³b²c ( 2bc² + 7a)

Step-by-step explanation:

To factorize, we must separate the highest common factors between the products that make up the given expression. To get the highest common factor between the two products,

-24a3b3c3 = -2 * 2 *2 * 3 * a³ *b² *b * c² * c

- 84a4b2c = -2 * 2 *3 * 7 * a³ * a *b² * c

The common elements are  -2, 2, 3, a³, b², c

The product of the common elements

= -12a³b²c

Hence, factorizing

-24a3b3c3 - 84a4b2c = -12a³b²c ( 2bc² + 7a)

4 0
3 years ago
Read 2 more answers
Jjjjjjjjjjjjjjjjjjjhhhhhhhhhhhhhhhhbvvvvvvvvvvvvvvvvvvvvv
Bogdan [553]

Answer:

Thanks for the point!

Step-by-step explanation:

Have a great day

5 0
3 years ago
A bag has 3 red marbles, 2 blue, 4 green and 1 yellow. What is the theoretical probability of pulling a red marble? Write your a
Dimas [21]

Answer:

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Step-by-step explanation:

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