2 years ago

Is (-2, 6) a solution to this system of equations?

Mathematics

1 answer:

nasty-shy [4]2 years ago

8 0

I think the answer is no. I’m not sure. I’m sorry if incorrect

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Please help... Solve using the quadratic formula x^2 - 6x - 40=0

Tasya [4]

The answer is

X=10 or X= -4

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3 years ago

Curtis threw 15 darts at a dartboard . 40 percent of his darts hit the bull's eye. how many darts did not hit the bull's eye

PIT_PIT [208]

40%=0.4
15*0.4
6
15-6
9 darts didn't hit the bull's eye

7 0

3 years ago

(1/16)^x+3=(1/4)^x+1

Anika [276]

Answer:

x=1

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3 years ago

PLEASE HURRY! What is the value of x in this triangle? The triangle is labeled 5, 20 & x

a_sh-v [17]

Answer:

$x = 14.04$ °

Step-by-step explanation:

$\text{tan(x) = Opposite / Adjacent}\\tan(x) = 5/20\\tan(x) = 0.25\\x = 14.04$

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2 years ago

Explain which variables would be included when using technology to calculate the present value of a lump sum and to calculate th

koban [17]

Answer:

a. Present value of a lump sum =

PV = FV / ( 1 + i )ⁿ

b. Present value of an annuity =

P = PMT x ((1 – (1 / (1 + r)⁻ⁿ )) / r)

Step-by-step explanation:

a. Present Value of a Lump sum =

PV = FV / ( 1 + i )ⁿ

Where variables in the formula are explained as follows

PV = Present Value of the given amount today

FV = Future Value of the given amount

i = Discount rate

n = Number of periods

b. Present value of an annuity is given as:

P = PMT x ((1 – (1 / (1 + r)⁻ⁿ)) / r)

The variables in the equation are explained as the follows:

P = the present value of annuity

PMT = Payment per period or the amount in each annuity payment

r = the interest or discount rate

n = total number of periods or the number of payments left to receive

8 0

3 years ago