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2 years ago

A circular tablecloth has a diameter of 3 feet. Which measurement is closest to the area of the tablecloth in feet?

Mathematics

2 answers:

zhenek [66]2 years ago

8 0

Answer:

i think ur answer is C

Step-by-step explanation:

srry if im wrong

valentinak56 [21]2 years ago

3 0

The answer is b or c

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If the temperature drops from 7f to -17f how much did the temperature decrease

Ipatiy [6.2K]

Answer:

there was a decrease of 24 degrees.

Step-by-step explanation:

7-24=-17

8 0

2 years ago

Read 2 more answers

Which step should be completed first to solve the equation --2 = 3z + 4 ?

IRINA_888 [86]

Subtract four from both sides. That'll put both numbers without a variable on one side, and the number with the variable is by itself.

4 0

3 years ago

Write the equation of the parabola that has its x-intercepts at (1+<img src="https://tex.z-dn.net/?f=%5Csqrt%7B5%7D" id="TexForm

VladimirAG [237]

Answer:

$y=2x^2-4x-8$

Step-by-step explanation:

<u>Factored form of a parabola</u>

$y=a(x-p)(x-q)$

where:

p and q are the x-intercepts.
a is some constant.

Given x-intercepts:

(1+√5, 0)
(1-√5, 0)

Therefore:

$\implies y=a(x-(1+\sqrt{5}))(x-(1-\sqrt{5}))$

$\implies y=a(x-1-\sqrt{5})(x-1+\sqrt{5})$

To find a, substitute the given point (4, 8) into the equation and solve for a:

$\implies a(4-1-\sqrt{5})(4-1+\sqrt{5})=8$

$\implies a(3-\sqrt{5})(3+\sqrt{5})=8$

$\implies4a=8$

$\implies a=2$

Therefore, the equation of the parabola in factored form is:

$\implies y=2(x-1-\sqrt{5})(x-1+\sqrt{5})$

Expand so that the equation is in standard form:

$\implies y=2(x^2-x+\sqrt{5}x-x+1-\sqrt{5}-\sqrt{5}x+\sqrt{5}-5)$

$\implies y=2(x^2-x-x+\sqrt{5}x-\sqrt{5}x+\sqrt{5}-\sqrt{5}+1-5)$

$\implies y=2(x^2-2x-4)$

$\implies y=2x^2-4x-8$

6 0

1 year ago

You LOVE Cheetos and Takis. They’re your favorite food of all time and you feel like you could live on eating nothing but Cheeto

Mamont248 [21]

Answer:

15 takis and 10 cheetos

Step-by-step explanation:

($15x10=$150) + ($40x15=$600) = $750

5 0

2 years ago

Use the relationships between the angles to find the value of x (please answer)

Varvara68 [4.7K]

Step-by-step explanation:

$x + 15 \degree = 102 \degree \: \\ (corresponding \: \angle s) \\ \therefore \: x = 102 \degree - 15 \degree \\ \huge \red { \boxed{\therefore \: x = 87 \degree}}$

4 0

2 years ago