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11111nata11111 [884]
3 years ago
10

Help ASAP please and thanks

Mathematics
2 answers:
AveGali [126]3 years ago
7 0
The first one is correct.
Firlakuza [10]3 years ago
4 0
The first one includes both
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6. You and your family went to a restaurant and the bill came to $120. You decide to
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Answer:

c

Step-by-step explanation:

18 percent of 120 is 21.6

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2 years ago
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In the diagram below,AB is the diameter of the circle with centre P.Point C lies on the y-axis.Given the coordinates of A and B
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Answer:

<em>The coordinates of P are (-2,0)</em>

<em>The radius of the circle is 5.</em>

Step-by-step explanation:

<u>Analytic geometry</u>

The diagram shows a circle with center P, and two points A(-6,3) and B(2,-3) that form the diameter of the circle.

a)

The center of the circle lies at the midpoint of A and B. The midpoint (xm,ym) can be calculated by:

\displaystyle x_m=\frac{x_1+x_2}{2}

\displaystyle y_m=\frac{y_1+y_2}{2}

Substituting x1=-6, x2=2, y1=3, y2=-3:

\displaystyle x_m=\frac{-6+2}{2}=\frac{-4}{2}=-2

\displaystyle y_m=\frac{3-3}{2}=0

Thus, the coordinates of P are (-2,0)

b) The radius of the circle is the distance from the center to any point in its circumference. We can use the distance from P to A or B indistinctly.

Given two points A(x1,y1) and P(x2,y2), the distance between them is:

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

Substituting x1=-6, x2=-2, y1=3, y2=0:

r=\sqrt{(-2+6)^2+(0-3)^2}

r=\sqrt{4^2+(-3)^2}

r=\sqrt{16+9}=\sqrt{25}=5

The radius of the circle is 5.

4 0
3 years ago
Trent is drawing a diagram of his house for a school project. He decides that every 5 feet in real life should be 2 inches in th
salantis [7]

Answer:

5 feet (60 inches) proportional to 2 inches is a 30:1 relationship.

15 feet (180 inches) in real life should equal 6 inches on the diagram.

180 divided by 30 = 6

Step-by-step explanation:

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3 years ago
A golden eagle flies a distance of 290 miles in 5 days.if the eagle flies the same distance each day of its journey, how far doe
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58 miles because 290/5=58

7 0
3 years ago
3x - 1 = -5?
Setler79 [48]

Answer:

3x - 1 = -5?

What is x if

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A)

19.

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17

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-20

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3

Step-by-step explanation:

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