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Olegator [25]
3 years ago
9

Circumference of a circle given the radius or diameter? explain why or why not

Mathematics
1 answer:
jek_recluse [69]3 years ago
6 0

Answer: The Radius is the distance from the center outwards. The Diameter goes straight across the circle, through the center. The Circumference is the distance once around the circle.

The formula for calculating the radius is different from calculating the diameter

Find radius

r= diameter/ 2

Radius is half of a diameter

While diameter is

d=2r

Step-by-step explanation:

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Juli2301 [7.4K]
U see the box in the triangle is 90 so use it solve it
5 0
3 years ago
If f(x)=-2x+7 and g(x)=x^2-2, what is [f o g](3)?<br><br> -7<br> -1<br> 1<br> 7
marusya05 [52]

Hello from MrBillDoesMath!

Answer:   21

Discussion:

g(3) = 3^2 -2 = 9 -2 = 7   =>

f(g(3)) = f ( 7) = 2(7) + 7 = 14 + 7 = 21

Thank you,

MrB


7 0
3 years ago
A town in east Texas received 25 inches of rain in two weeks. If it kept raining at this rate for a 31−day month, how much rain
Likurg_2 [28]
25 in of rain in 2 weeks.

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7 0
3 years ago
Read 2 more answers
LOTS OF POINTS!?!?!?Write a linear function f with the values f(5)=−1 and f(0)=−1.<br> f(x)=
Brut [27]

Answer:

The euation of the linear function is:

  • y = -1

Step-by-step explanation:

As the function has the values

  • at x = 5, f(5) = -1
  • at x = 0, f(0) = -1

Thus, the two points are:

  • (5, -1)
  • (0, -1)

Finding the slope between (5, -1) and (0, -1)

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(5,\:-1\right),\:\left(x_2,\:y_2\right)=\left(0,\:-1\right)

m=\frac{-1-\left(-1\right)}{0-5}

m=0

We know that the slope-intercept form of the line equation is

y=mx+b

where m is the slope and b is the y-intercept

We also know that the y-intercept can be computed by setting x=0 and finding the corresponding value of y.

so at x = 0, y = -1

Thus, the y-intercept 'b' = -1

Now, substituting m = 0 and b = -1 in the slope-intercept form of the line equation

y = mx+b

y = 0x + -1

y = -1

Therefore, the euation of the linear function is:

  • y = -1
4 0
3 years ago
Can someone pleaseeeeeeeeeeeeeee help me with these questions? Thanks.
tresset_1 [31]

the answer for y would be 7

Step-by-step explanation:

don't forget to mark brainliest

8 0
3 years ago
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