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3 years ago

Use the remainder to divide 5x^2+9x-2 by x+3. What is the remainder?

Mathematics

1 answer:

lapo4ka [179]3 years ago

8 0

Answer:

Step-by-step explanation:

Using the Remainder theorem

f(x) divided by (x + h) then the remainder is the value of f(- h)

here the divisor is (x + 3), thus remainder is f(- 3)

remainder = 5(- 3)² + 9(- 3) - 2 = 5(9) - 27 - 2 = 45 - 29 = 16

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Find the difference <br><br> (2x+7)-6(5x-8)

sveticcg [70]

Answer:

-28x-41

Step-by-step explanation:

6*5x-6*8

30x-48

2x+7-30x-48 = 2x-30x+7-48 = -28x+7-48 = -28x+(-41)= -28x-41

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2 years ago

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Select all the equations that describe this situation. Gino's backpack weighs 2 pounds less than Erik's backpack. Erik's backpac

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X + 2 = 14
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2 years ago

In RST, m R =(2x+10)°, m 5=(2x+25)°, and m T=(x-5)°.

cricket20 [7]

We know that : Sum of Angles in a Triangle is equal to : 180°

⇒ In ΔRST, The Sum of Angles ∠R , ∠S , ∠T should be equal to 180°

⇒ m∠R + m∠S + m∠T = 180°

⇒ (2x + 10)° + (2x + 25)° + (x - 5)° = 180°

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3 years ago

April shoots an arrow upward at a speed of 80 feet per second from a platform 25 feet high. The pathway of the

zaharov [31]

Answer:

The maximum height of the arrow is 125 feet.

Step-by-step explanation:

The pathway of the arrow can be represented by the equation,

$h = -16t^2 +80t + 25$ .....(1)

Where h is height in in feet and t is time in seconds.

It is required to find the maximum height of the arrow. For maximum height, $\dfrac{dh}{dt}=0$ .

So,

$\dfrac{d(-16t^2 +80t + 25)}{dt}=0\\\\-32t+80=0\\\\t=\dfrac{80}{32}\\\\t=2.5\ s$

Put t = 2.5 s in equation (1). So,

$h = -16(2.5)^2 +80(2.5) + 25\\\\h=125\ \text{feet}$

So, the maximum height of the arrow is 125 feet.

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3 years ago

If two lines are cut by a transversal, the corresponding angles are equal in measure always, sometimes, never

Ivahew [28]

I would choose... sometimes

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3 years ago

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