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kirill [66]
3 years ago
5

White colour is painted in 2 ft wide which lies inside from both sides in the basketball court of length 78 ft and breadth 46 ft

. find the area of the painted part.​
Mathematics
1 answer:
Gemiola [76]3 years ago
5 0

Answer:

L1=78

W1=46

L2=78+4=82

W2=46+4=50

Area=L2×W2-L1×W1

82×50-78×46

Ans- 512ft^2

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How do you determine the degree of a power function from a table? When do you know you have successfully determined the degree o
svp [43]

Answer:

A power function is a function that can be represented in the form

f(x)=kx^p

where k and p are real numbers, and k is known as the coefficient.

Example:

f(x)=1    constant function.

f(x)=x     identity function

f(x)=x^2   quadratic function.

1)

we use the method of differences, g(x+1)-g(x). Keep taking differences until they are all constant.

for example:

if we have a set of values as:

 x         g(x)

−2       −8


−1       −1


 0        0


 1        1


 2        8

Now when we find the difference as:

<u>x</u>       <u>g(x)</u>        <u>  D1 </u>           <u>   D2    </u>               <u>   D3</u>



-2       -8



-1         -1        1-(-8)=7



0          0       0-(-1)=1          1-7=-6



1            1       1-0 = 1           1-1=0               0-(-6)=6



2           8       8-1 = 7          7-1=6               6-0 = 6

As D3 is constant hence, the degree of the power function is 3.

2)

When we get a constant difference in the table of the difference method we will successfully get our degree.






4 0
3 years ago
Mike installed the window shown. How many square feet is the window? Use 3.14 for pi. Round to the nearest tenth.
Natali [406]

Answer: 3.9ft²

Step-by-step explanation:

Find the area of the rectangle first:

= Length * Width

= 2 * 1.5

= 3 ft²

Find the area of the semi-circle by finding the area of a circle and dividing it by 2:

= πr²

= 3.14 * 1.5/2 * 1.5/2

= 1.76625‬ft²

Divide by 2:

= 1.76625‬/ 2

= 0.88 ft²

Add the area of the rectangle to the semi-circle:

= 3 + 0.88

= 3.9ft²

3 0
3 years ago
I NEED SERIOUS ANSWERS WITHIN 15 MINUTES PLEASE, WILL MAKE BRAINLIEST
Musya8 [376]

Answer: 1,4 is the answer

7 0
3 years ago
We use mathematical induction to prove things when:
scoray [572]

Answer:

We have two cases.

Step-by-step explanation:

A proof by Induction consists of two cases, the base case (or basis) and the induction step. Induction is a style of argument we use to convince ourselves and others that a mathematical statement is always true. Many mathematical statements can be proven by simply explaining what they mean.

Hope this helps.

Please mark me as Brainliest.

5 0
3 years ago
Evaluate 13.2a for a = 7.1.
Korolek [52]

Answer:

44.588

Step-by-step explanation:

7.1xsquare=14.2x3.14=44.588

6 0
2 years ago
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