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2 years ago

PLEASE ANSWER WILL MARK BRAINIEST IF CORRECT :)

Mathematics

1 answer:

katrin [286]2 years ago

3 0

1) The set of elements is,

10n where n € {.....,-3,-2,-1,1,2,3....}

Not sure if the 2nd question is complete.

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What is 73.31 rounded to the nearest tenth

blondinia [14]

73.3 is 73.31 rounded to the nearest tenth

4 0

3 years ago

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The image of a parabolic lens is traced onto a graph. The function f(x) = (x + 8)(x – 4) represents the image. At which points d

alexandr402 [8]

Answer:

x = -8 and x = 4

Step-by-step explanation:

given

f(x) = (x+8) (x - 4)

recall that at any point on the x-axis, y = 0 [i.e f(x) = 0]

hence to find where the graph crosses the x-axis, we simply substitue f(x) = 0 into the equation and solve for x

f(x) = (x+8) (x - 4)

0 = (x+8) (x - 4)

Hence

either,

(x+8) = 0 ----> x = -8 (first crossing point)

(x-4) = 0 ------> x = 4 (second crossing point)

Hence the graph crosses the x-axis at x = -8 and x = 4

7 0

3 years ago

2r^2+3s^3-r^2+4t^2-r^2 if r=-2, s=-3, and t=5

dimulka [17.4K]

$2(-2)^2+3(-3)^3-(-2)^2+4(5)^2-(-2)^2 = 19$

19 is the answer.

3 0

3 years ago

What is The value of Y in this exponential growth function when X equals two y=1.5x

kow [346]

Y=3

Y=1.5x

If X=2 insert 2 into the equation

Y=1.5(2)
Y=3

5 0

3 years ago

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Tina lives in a state that charges her 4.5% state income tax on her federal taxable income. If her federal taxable income is $61

Irina-Kira [14]

$ 2772 is paid in state income tax

Solution:

Given that, Tina lives in a state that charges her 4.5% state income tax on her federal taxable income

Federal taxable income = $61,600

To find: Amount paid by Tina in state income tax

Tax rate = 4.5 %

Which means, 4.5 % of $61,600 is paid as tax

$Tax\ Rate = 4.5 \% \text{ of } 61600$

Here, "of" means multiplication or product

$Tax\ Rate = 4.5 \% \times 61600\\\\Tax\ Rate = \frac{4.5}{100} \times 61600\\\\Tax\ Rate = 0.045 \times 61600\\\\Tax\ Rate = 2772$

Thus $ 2772 is paid in state income tax

7 0

3 years ago