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borishaifa [10]
3 years ago
7

The standard form of an equation of a circle with center at

Mathematics
1 answer:
Ymorist [56]3 years ago
7 0

Answer:

The standard form of an equation of a circle with center at (h, k) and radius r is

(x - h)² + (y - k)² = r²

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Click through to find the correct identity.
Aleksandr [31]

Answer:

b.

Step-by-step explanation:

cos2θ =  2 cos^2 θ - 1

2cos^2 θ = 1 + cos2θ

cos^2 θ = (1 + cos2θ)/2

6 0
2 years ago
The diameter of a dime is seven hundred five thousandths of an inch
muminat
7.9 millimeters (0.705 inch) in diameter. So yes it is.
6 0
3 years ago
1. On a 20 question test, Sarah got 2 questions wrong. What percent of the test does he have correct?
e-lub [12.9K]

Answer:

1=90%

Step-by-step explanation:

20-2=18, 18/20=90%

3 0
3 years ago
Read 2 more answers
What is the answer to 5t-26=18t
AlladinOne [14]

Answer:

t = -2

Step-by-step explanation:

5t - 26 = 18t

Add 26 to both sides:

5t - 26 + 26 = 18t + 26

Simplify:

5t = 18t + 26

Subtract 18t from both sides:

5t - 18t = 18t + 26 - 18t

Simplify:

-13t = 26

Divide both sides by -13:

-13t/-13 = 26/-13

Therefore:

t = -2

I hope this helps!

6 0
2 years ago
Read 2 more answers
Theo earns a base salary plus commission. At the end of September, he was paid $3,835.25 based on his monthly sales of $12,850.
hodyreva [135]

Theo's base salary  using a simultaneous equation approach is $2,996.22 .

In order to determine the base salary of Theo, we can express the two earnings and sales amounts using simultaneous equation, that we would solve to arrive at the base salary

Bear in mind that total earnings are determined as base salary plus commission

Let X be the base salary

Let R be the rate of commission

commission =sales*rate of commission

When earnings were $3,835.25 and sales is $12,850, we have the below equation:

X+(12,850*R)=3,835.25

X+12850R=3,835.25  .................... equation (1)

When earnings were $3,641 and sales is $9,875, we have the below equation:

X+(9,875*R)=3641

X+9875R=3641 .........................  equation (2)

subtract equation 2 from 1

2975R=194.25

R=194.25/2975

R=commission rate=6.52941176470588%

substitute for R in equation 1 to arrive at X(base salary)

X+(12850*6.52941176470588%)=3,835.25

X=3,835.25-(12850*6.52941176470588%)

X=base salary=$2,996.22

Find further guide on simultaneous equation in the link below:

brainly.com/question/6597041

#SPJ1

7 0
2 years ago
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