I need to know this pleaseeee

Mathematics

1 answer:

Natalka [10]2 years ago

6 0

Answer:

(-4,-3)

Step-by-step explanation:

The x value is -4 and the y value is -3

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10 gallons equal how many cups

leonid [27]

If one gallon equals to 16 cups, then 16 * 10 will be your answer.

10 * 16 = 160

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3 years ago

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Bob is building a wooden cabin. The cabin is 30 meters wide. He obtained a bunch of 17 meters long wooden beams for the roof of

qaws [65]

The roof will be in the shape of an isosceles triangle with a base length of 30 m and two sides that are 17 m. The two 17 m beams will have the same angle of elevation since they have to might in the middle.

So to find the angle of elevation, we can split the roof in half vertically to create a right triangle. The base will now be 15 m, and the hypotenuse will be 17. Now we can use a trigonometry function to solve for the angle. We know the hypotenuse and the side adjacent to the angle, so we can use cosine.

$cos(\theta) = \frac{adjacent}{hypotenuse}$

$cos(\theta)= \frac{15}{17}$

$cos^{-1}( \frac{15}{17})=\theta$

$\theta = 28.1^{\circ}$

The answer is 28.1 degrees

3 0

3 years ago

Plz plz help me I really need help

arlik [135]

Circumference of a circle is 2πr where r is radius of a circle.

2*3.14*7=43.96 almost 44 inches in whole number where π=3.14

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3 years ago

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1) if we add ____ to 194562 then it is divisible by 5 and 10 both

almond37 [142]

Step-by-step explanation:

$(1)add \: 8 \\ (b)6 \\ (c)1002 \\ (d)2 \: and3$

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2 years ago

What % could i make 2/5 of a hour? like 10% of a hour. like that.

yarga [219]

well, we can say that 1 hour is 100%, what is 2/5 hr off of it in percentage?

$\begin{array}{ccll} hour&\%\\ \cline{1-2} 1 & 100\\ \frac{2}{5}& x \end{array} \implies \cfrac{1}{~~ \frac{2}{5}~~}=\cfrac{100}{x}\implies \cfrac{5}{2}=\cfrac{100}{x} \\\\\\ 5x=200\implies x=\cfrac{200}{5}\implies x=40$

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2 years ago