3 years ago

Anyone knows #3 and 4 answers ?

Mathematics

1 answer:

UNO [17]3 years ago

4 0

3.saven. 4.2and5 Third

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Find an equation of the circle that has center (-4, 1) and passes through (3, -5)

Lemur [1.5K]

The general equation for a circle with center (a,b) and squared radius k is

$(x-a)^2 + (y-b)^2 = k$

Here we have

$(x- - 4)^2 + (y -1)^2 = k$

and the constant is fixed by substituting in the point we know (x,y)=(3,-5)

$(x + 4)^2 + (y-1)^2 = (3+4)^2 + (-5-1)^2 = 85$

Answer:

$(x + 4)^2 + (y-1)^2 = 85$

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3 years ago

What is are indices

White raven [17]

Answer:

The index of a number says how many times to use the number in a multiplication. It is written as a small number to the right and above the base number. In this example: 82 = 8 × 8 = 64. The plural of index is indices. (Other names for index are exponent or power.)

Step-by-step explanation:

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3 years ago

What is the distance between (7, 1) and (4, -5)?

marusya05 [52]

The distance between those to points is d=6.708204 or d=6

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3 years ago

Read 2 more answers

the Davis family pays 200,000$ for a new house. they make a down payment that is 1/10 of the price of the house.How much is the

Dafna1 [17]

The down payment would be 20,000.

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3 years ago

A plumber charges $50 to come to a house and $20 an hour for work time.

PolarNik [594]

Since the 50 remains the same every time, is has no letters next to it in the equation. The 20, however, is multiplied by the amount of hours, and will therefore have an h next to.

20h + 50- the answer is a.

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3 years ago