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alex41 [277]
3 years ago
5

The diameter of a circle 8 centimeters. What is the circles area?use 3.14 for n

Mathematics
1 answer:
DIA [1.3K]3 years ago
3 0

Answer:

50.24 cm^2

Step-by-step explanation:

Area = Pi r^2

A = (3.14) (4^2)

A = 50.24 cm^2

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Which is the equation in slope-intercept form for the line that passes through (3, 7)
quester [9]

Answer:

y =  -  \frac{5}{3} x + 12

Step-by-step explanation:

First, rewrite the given equation in the form of y=mx+c.

m is the gradient while c is the y-intercept.

3x-5y=8

5y= 3x -8

y =  \frac{3}{5} x -  \frac{8}{5}

Thus, the gradient of the given equation is ⅗.

The product of the gradients of perpendicular lines is -1.

(gradient of line)(⅗) = -1

gradient of line= -1 ÷⅗

gradient of line= -  \frac{5}{3}

y =  -  \frac{5}{3} x + c

To find the value of c, substitute a coordinate.

When x=3, y=7,

7 =  -  \frac{5}{3} (3) + c

7= -5 +c

c= 7+5

c= 12

Hence, the equation of the line is y =  -  \frac{5}{3} x + 12.

6 0
3 years ago
Please answer it correctly and please show work please help me if it’s correct I will mark you brainliest
Eva8 [605]

Answer:

210 hours

Step-by-step explanation:

<u>Step 1:  Make an expression</u>

(2/3 * 1575) / 5

<u>Step 2:  Multiply</u>

(2/3 * 1575)/5

(1050) / 5

<u>Step 3:  Divide</u>

(1050) / 5

210 hours

Answer:  210 hours

8 0
3 years ago
Which is the best estimate of 11
vekshin1

Answer:

4 would be the answer hopefully

5 0
2 years ago
Read 2 more answers
Find the area of the shape shown below.
cricket20 [7]

Answer:

18

Step-by-step explanation:

3+9=12

12/2=6

6x3=18

3 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP ILL GIVE BRAINLIEST
Veseljchak [2.6K]

Answer:

x>-23/7

Step-by-step explanation:

-23<7x

7x>-23

x>-23/7

the answer is x>-23/7

5 0
2 years ago
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