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3 years ago

If the equation of a circle is (x +5)^ + (y-7)^ =36, it’s radius is ?

1 answer:

6 0

If I am guessing the exponent correctly for your equation and it really is :

(x+5)² + (y-7)² = 36

then your answer would be answer choice A(6)

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An equation is shown.

lubasha [3.4K]

2(a+b)=c
2a + 2b = c
2b = c - 2a
b = (c - 2a)/a

answer
D. b = (c−2a)/2 ; distribute 2 to get 2a+2b, subtract 2a, then divide by 2.

3 0

3 years ago

Analyze the diagram below and complete the instructions that follow. Find a, b, and c.

ahrayia [7]

Answer:

The correct answer is the letter C.

Step-by-step explanation:

We can use the following trigonometric identity:

$cos(60)=\frac{6}{b}$ (1)

$cos(45)=\frac{c}{b}$ (2)

Solving each equation by b and equaling we have:

$\frac{6}{cos(60)}=\frac{c}{cos(45)}$

Let's recall that:

$cos(45)=\frac{1}{\sqrt{2}}$

$cos(60)=\frac{1}{2}$

Then we have:

$c=\frac{cos(45)*6}{cos(60)}$

$c=\frac{2*6}{\sqrt{2}}$

$c=\frac{12}{\sqrt{2}}$

$c=6\sqrt{2}$

Using equation (1) we can find b.

$cos(60)=\frac{6}{b}$

$b=12$

Finally, we can find a using the next equation:

$tan(60)=\frac{a}{6}$

$a=6*tan(60)$

$a=6\sqrt{3}$

Therefore, the correct answer is the letter C.

I hope it helps you!

5 0

3 years ago

Please help, thank you

alexandr1967 [171]

Answer:

falseeeeeeeee for sure

Step-by-step explanation:

can i get brianlissssstttt

4 0

3 years ago

g There are 3 signal transmitters T1,T2 and T3. Each one sends a signal to a receiver R and R sends three signals back to the th

ANEK [815]

Answer:

Recall that probability is given as; the number of required outcome over the number of total possible outcome.

The probability that a transmitter receives the signal being sent by itself is given as $\frac{1}{3}$ .

when there are n transmitters, the probability will be given as $\frac{1}{n}$

Step-by-step explanation:

Probability simply the likelihood of an event occurring or not occurring.

Probability therefore is given as; the number of required outcome over number of possible outcome.

In the case of the first part above we have the number of required outcome to be at least one divided by the number of possible outcome which is 3.

while in the second part we have the number o possible outcome to be n.

7 0

3 years ago

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve

Karolina [17]

Answer:

Step-by-step explanation:

u divid all the numbers together then subtract 2, then times 4

6 0

3 years ago