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3 years ago

How do you do diameter? HELP HELP HELP!!

Mathematics

2 answers:

photoshop1234 [79]3 years ago

5 0

Answer:

The area of the circle is 95.03.

Step-by-step explanation:

Diameter is double the radius.

irinina [24]3 years ago

4 0

95.03 should be your answer! <3

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Which point is 7 units from (–2, 4)?

Serjik [45]

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

$(x_1,y_1)=(-2,4) \\
d=7 \\ \\
7=\sqrt{(x-(-2))^2+(y-4)^2} \\
7=\sqrt{(x+2)^2+(y-4)^2} \ \ \ |^2 \\
49=(x+2)^2+(y-4)^2$
Check which point satisfies the equation:
$(x,y)=(-5,4) \\
49 \stackrel{?}{=} (-5+2)^2+(4-4)^2 \\
49 \stackrel{?}{=} (-3)^2+0^2 \\
49 \stackrel{?}{=} 9 \\
49 \not= 9 \\
doesn't \ satisfy \ the \ equation$

$(x,y)=(-2,3) \\
49 \stackrel{?}{=} (-2+2)^2+(3-4)^2 \\
49 \stackrel{?}{=} 0^2+(-1)^2 \\
49 \stackrel{?}{=} 1 \\
49 \not= 1 \\
doesn't \ satisfy \ the \ equation$

$(x,y)=(5,4) \\
49 \stackrel{?}{=} (5+2)^2+(4-4)^2 \\
49 \stackrel{?}{=} 7^2+0^2 \\
49 \stackrel{?}{=} 49 \\
49=49 \\
satisfies \ the \ equation$

$(x,y)=(9,4) \\
49 \stackrel{?}{=} (9+2)^2+(4-4)^2 \\
49 \stackrel{?}{=} 11^2+0^2 \\
49 \stackrel{?}{=} 121 \\
49 \not= 121 \\
doesn't \ satisfy \ the \ equation$

The answer is C.

3 0

3 years ago

Each person plans to take 2 slices of pizza.mark concludes that he would get more pizza by taking 1 slice from each pizza.instea

aalyn [17]

Answer:

No if you only get two slices, it doesn't matter which pizza you take it from you still only get 2 slices.

Step-by-step explanation:

8 0

3 years ago

Suns the value of m, rounded to the nearest tenth

german

Answer: I think is B or A

Step-by-step explanation:

7 0

3 years ago

What is the cash payment of a article costing RS.2020 allowing a discount of Rs.20 and levying 13% VAT?

belka [17]

The cash payment for the article is RS. 2,260.

A discount reduces the price of an item. The article becomes cheaper after the discount.

Cost of the article after the RS. 20 discount = RS. 2020 - 20 = RS 2000

VAT means value added tax. VAT increases the price of an item. The cost of the article increases by 13% after the VAT is levied,

Cost of the article = (100 + 13%) x 2000

1.13 x 2000 = RS 2,260.

To learn more about taxes, please check: brainly.com/question/25311567

7 0

2 years ago

The curb weight of a new car is 3,347 pounds. How much does the car weigh?

frozen [14]

Answer:

Step-by-step explanation:

i think

4 0

3 years ago