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geniusboy [140]

3 years ago

12

Which of the sets of ordered pairs represents a function? (5 points) A = {(3, −5), (4, 6), (−3, 9), (2, 7)} B = {(2, 4), (−1, −7

), (5, 6), (4, 3)}

1 answer:

ikadub [295]3 years ago

4 0

Answer:

Really you can do that next time send a picture of what it says. :) That would help.

Step-by-step explanation:

Just do what it says maybe show it for help then graph them. Your welcome :)

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A new car is purchased for 15500 dollars. The value of the car depreciates at 7.5% per year. What will the value of the car be,

mixer [17]

Answer:

$\$9,709.17$

Step-by-step explanation:

we know that

The formula to calculate the depreciated value is equal to

$V=P(1-r)^{x}$

where

V is the depreciated value

P is the original value

r is the rate of depreciation in decimal

x is Number of Time Periods

in this problem we have

$P=\$15,500\\r=7.5\%=0.075\\x=6\ years$

substitute

$V=\$15,500(1-0.075)^{6}=\$9,709.17$

4 0

3 years ago

A car dealership is having a sale in which customers pay 85% of the retail price for a new vehicle. Keith is buying a vehicle wi

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4 0

3 years ago

Read 2 more answers

Which of the following are not polynomials?

mars1129 [50]

Answer:

~ B

Explanation:

~ It’s B because it has a question mark, and a polynomial is an equation that has two or more variables, all the options on top have 2 or more variables

~ A polynomial cannot have a root, fraction of anything else, hence I believe it’s B

7 0

4 years ago

What is the frequency of yellow

Zina [86]

Answer:

5.131 × 10¹⁴ Hz

Step-by-step explanation:

<u>Planck relation</u>

$\large\boxed{E = hf}$

where:

E = Energy of the photon (J).
h = Planck's constant (J · s).
f = frequency of light produced (Hz).

Given values:

E = 3.4 × 10⁻¹⁹ J
h = 6.626 × 10⁻³⁴ J · s

Substitute the given values into the formula and solve for f:

$\implies 3.4 \times 10^{-19}=(6.626 \times 10^{-34})f$

$\implies f=\dfrac{3.4 \times 10^{-19}}{6.626 \times 10^{-34}}$

$\implies f=\dfrac{3.4}{6.626} \times \dfrac{10^{-19}}{10^{-34}}$

$\implies f=0.5131\times 10^{(-19-(-34))}$

$\implies f=0.5131 \times 10^{15}$

$\implies f=5.131 \times 10^{14}$

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What lines are skew to AD?

Temka [501]

Lines HD, EH, GF, and CG

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4 years ago