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Phoenix [80]
2 years ago
11

Work out the area of a circle with diameter 1.8cm. Take

t="\pi" align="absmiddle" class="latex-formula"> (n) to be 3.142 and give your answer to 1 decimal place.
Mathematics
1 answer:
Kryger [21]2 years ago
6 0

Answer:

D = 1.8cm

Circumference 3.142 X 1.8cm

5.6556

5.65

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Give the slope of the graph and the unit rate
Lerok [7]

Answer:

y=5/4 x

The slope is 5/4

Step-by-step explanation:

To solve this problem we need  to find the equation of the line, y=mx+b

We've been given a table with several points, so we can use two of them to perform our calculus.

To obtain the slope we need to use the equation of slopes:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

Where (x1,y1) =(4,5) and (x2,y2)=(8,10)

m= (10-5)/(8-4)=5/4

To obtain b we can use the point (x2,y2)=(8,10) in the equation.

10=5/4 *8 +b

b=0

Hence our line has the following equation:

y=5/4 x

6 0
3 years ago
There are 140 cars in a parking lot.Bob looks at 15 cars and finds out that 2 cars are gray-colored. Approximately how many cars
daser333 [38]

Answer:

about 18.7

Step-by-step explanation:

4 0
2 years ago
2.
BlackZzzverrR [31]

Answer:

D.

Step-by-step explanation:

f(x) increases by 2 as x increases by 1 x value.

We know it isn't A since and x value plue 2 would not equal the y value.

But if you multiply each x-value by 2 you get f(x)

8 0
2 years ago
Read 2 more answers
Look at the data in the table.
Amiraneli [1.4K]
Okay then what, what do you want help with
5 0
2 years ago
Hellohello, if you able to help me then please do. (:
timurjin [86]

Answer:

g=12

Step-by-step explanation:

3 + g = 15

g = 15-3

g = 12

5 0
2 years ago
Read 2 more answers
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