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1 answer:

4 0

The graph of a quadratic equation is a U-shaped curved called parabola. It is because the parabola makes very easy to find the axis of symmetry to plot selected points and finding the roots and vertex.

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Find A U C.<br> A) {2,3,5,6,7,9,11} <br> B) {3,5,6,7,8,11,12} <br> C) {3,5,6,7} <br> D) {3,5,7}

Natalija [7]

Answer:

A U C = {2,3,5,6,7,9,11}

Step-by-step explanation:

A = {2,3,5,6,7,9,11}

C = {3,5,6,7}

The union of two sets is a set that has every element that belongs to one or the other set.

A U C = {2,3,5,6,7,9,11}

6 0

3 years ago

Solve for x x - 8.9 = 7.18 x =

anygoal [31]

Answer:

x = 16.08

Step-by-step explanation:

x - 8.9 = 7.18

Add 8.9 to each side

x - 8.9+8.9 = 7.18+8.9

x = 16.08

7 0

3 years ago

Captain jack found a child's piggy bank on skull island.unfortunately,there was only $3.60 in it with an equal number of pennies

Rina8888 [55]

The answer is 120 because if he gpt 60 cents at first you add it up again and it will be 120.

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3 years ago

Radius OB measures x units. Which expression represents

777dan777 [17]

Answer:

Circumference of the smaller circle = 2.1x units

Step-by-step explanation:

Given question is incomplete; here is the complete question.

Two similar circles are shown. The circumference of the larger circle, with radius OB, is 3 times the circumference of the smaller circle, with radius OA. Radius OB measures x units. Which expression represents the circumference of the smaller circle with radius OA ?

Radius of the larger circle OB = x units

Radius of the smaller circle OA = y units

Circumference of larger circle = 2πx units

Circumference of smaller circle = 2πy units

Since circumference of larger circle is 3 times the circumference of smaller circle,

2πx = 3(2πy)

2πx = 6πy

x = 3y

y = $\frac{x}{3}$