3 years ago

Please answer question 17. Explain the steps. (A bit urgent though)

Mathematics

1 answer:

gregori [183]3 years ago

6 0

Angle a is 80, angle d is 100, angle c is 100

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Julie is making a recipe that calls for 2 1/2 cups of flour. she wants to cut the recipe in half. how many cups of flour will sh

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The would be 1 1/4

Ask me if you need me to explain

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2 years ago

The points -5,2 and -5,8 lie on a circle with a radius of 3. Find the center of the circle.

worty [1.4K]

The formula of a distance between two points:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

We have two points A(-5, 2) and B(-5, 8). Substitute:

$d=\sqrt{(8-2)^2+(-5-(-5))^2}=\sqrt{6^2+0^2}=\sqrt{6^2}=6$

d is a diameter of a circle because d = 2r = 2(3).

The center of a circle is in midpoint of AB.

The formula of a midpoint:

$M\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)$

Substitute:

$\dfrac{-5+(-5)}{2}=\dfrac{-10}{2}=-5\\\\\dfrac{2+8}{2}=\dfrac{10}{2}=5$

Answer: (-5, 5).

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3 years ago

Multiply (-3b+2)(b+3

igor_vitrenko [27]

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3 years ago

What is the slope of the line that passes through the points (5,3)and (3,2)

Grace [21]

Answer:

slope= 1/2

Step-by-step explanation:

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2 years ago

What is r - pi = pi ASAP

laiz [17]

Hello!

$r - pi = pi$

Explanation:

↓↓↓↓↓↓↓↓↓↓

First you had to add by $\pi$ from both sides of the equation.

$r-\pi+\pi=\pi+\pi$

Simplify it should be the correct answer.

$r=2\pi$

Answer⇒⇒⇒⇒⇒r=2 $\pi$

Hope this helps!

Thank you for posting your question at here on Brainly.

Have a great day!

-Charlie

6 0

3 years ago

Read 2 more answers