2 years ago

Please help me...asap

Mathematics

1 answer:

Ivahew [28]2 years ago

4 0

(2nd option) yes, each number has an equal chance of being selected.

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Find h(x) +g(x). h(x)=x^2+6x and g(x)=-2x-3

AURORKA [14]

Answer:

$h(x) + g(x) = x^{2} + 4x - 3$

Step-by-step explanation:

h(x) + g(x) = $(x^{2} + 6x) + (-2x - 3)$

$x^{2} + 4x - 3$

3 0

3 years ago

The intensity of light bulb measured in watts per square meter (w/m^2), varies inversely as the square of the distance d from th

krek1111 [17]

Answer:

I(7) = 22.96 W/m²

Step-by-step explanation:

Let intensity of light, be I(d) where d is distance. There must be a proportionality factor K such as

I(d) = K /d²

Now for d = 5 m I(d) = K* 1/d²

then 45 * 25 = K

K = 1125

To find the intensity when the distance from the light bulb is 7 m away

I(7) = K / 49

I(7) = 1125/49 W/m²

I(7) = 22.96 W/m²

6 0

3 years ago

Find the value of x.

Solnce55 [7]

Answer:

x = 12

Step-by-step explanation:

Angle Bisector Theorem: PS / PQ = RS / QR

24/14 = x/7

cross-multiply:

14x = 168

x = 12

3 0

2 years ago

Given that f (x ) = 5 x - 10 and g (x ) = x = 3 , solve for f (g(x)) when x = -1

svetlana [45]

Answer:

f(g(x))(-1) = 0

Step-by-step explanation:

Step 1: Find f(g(x))

5(x + 3) - 10

5x + 15 - 10

5x + 5

Step 2: Plug in -1

5(-1) + 5

-5 + 5

7 0

3 years ago

Katie has $20 in a savings account that earns 10% interest, compounded annually.

Monica [59]

Answer:

In 3 years she will make $6.44.

Step-by-step explanation:

7 0

3 years ago

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