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mihalych1998 [28]
2 years ago
7

3) g(n) = 2n h(n) = n² + 5 Find (g + h)(n)

Mathematics
1 answer:
elena55 [62]2 years ago
6 0
(g + h)(n) =
g(n) + h(n) =
2n + n^2 + 5 =
n^2 + 2n + 5 (standard form)
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Can someone help me on this
barxatty [35]

A) as the exponent decreases by one, the number is divided by 5

B) as the exponent decreases by one, the number is divided by 4

C) as the exponent decreases by one, the number is divided by 3

D) 4⁰ = 4 ÷ 4 = 1

    4⁻¹ = 1 ÷ 4 = \frac{1}{4}

    4⁻² = \frac{1}{4} ÷ 4 = \frac{1}{16}

E) 3⁰ = 3 ÷ 3 = 1

    3⁻¹ = 1 ÷ 3 = \frac{1}{3}

    3⁻² = \frac{1}{3} ÷ 3 = \frac{1}{9}


5 0
2 years ago
Jimmy invests $7,000 in an account that pays 3% interest compounded semi-annually. What is his balance after 8 years?
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Step-by-step explanation:

A=p(1+(r/n))^nt

Given:P=7000, r=(3÷100%)=0.03 , n=2, t=8

A = 7000(1+(.03/2))^(2×8)

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A = 7000 × 1.015^16

A = $8882.9

7 0
2 years ago
Which angles are alternate interior angles?
Bingel [31]

Answer:

Angle QPM and Angle LMP are alternate interior I'm pretty sure, so I think B or  second choice.

7 0
3 years ago
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Please help me with these problems
S_A_V [24]

Answer:

1.a=2

2.  C  x=2  and x=-3

Step-by-step explanation:

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ax^2 +bx+c

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2x^2 -10 = 7x

Subtract 7x from each side

2x^2 -7x-10 = 7x-7x

2x^2 -7x-10 = 0

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2.  The quadratic formula is

-b ± sqrt(b^2 -4ac)

----------------------------

2a


2x^2 + 2x=12

Lest get the equation in proper form

2x^2 + 2x-12 = 12-12

2x^2 +2x-12 =0

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Lets substitute what we know

-2 ± sqrt(2^2 -4(2)(-12))

----------------------------

2(2)

-2 ± sqrt(4+96)

----------------------------

2(2)

-2 ± sqrt(100)

----------------------------

4

-2 ± 10

----------------------------

4

-2 + 10               -2-10

-----------   and  --------------

4                             4

8/4   and -12/4

2  and -3

8 0
3 years ago
The weight that can be safely supported by a​ 2- by​6-inch support beam varies inversely with its length. A builder finds that a
maw [93]
800/6=x/16         6x=12800          divide and get 2133   1/3
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