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Delicious77 [7]
3 years ago
9

Find the area of the circle with the given radius or diameter. Use = 3.14. d=13

Mathematics
1 answer:
leva [86]3 years ago
7 0
Area of a triangle = \pi r^{2}
r = diameter/2
so area = pi * (13/2)^2
= 3.14*6.5*6.5 = 132.665 
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The football game was attended by 417 people, 22% more than last week. How many people attended last week’s game?
ohaa [14]
Find the 22% of the 417

.22 * 417 = 91.74

then subtract that from 417

417 - 91.47

325 (rounding)
7 0
3 years ago
Read 2 more answers
The sum of 7 times a number and -3 is multiplied by 2. This result is 114 greater than the opposite of the number. Find the numb
tino4ka555 [31]
2(7n-3)=-n+114

14n-6=-n+114

15n=120

n=8

check...

2(7*8-3)=-8+114

2(56-3)=106

2(53)=106

106=106
7 0
4 years ago
7c3d2<br><br> Need help finding the degree of the monomial
Katyanochek1 [597]

Answer:

5

Step-by-step explanation:

7c³d²

This term has tow variables, c and d

Power of c is 3

Power of d is 2

Degree of this monomial is = 3+2 = 5

8 0
3 years ago
Which Exponential function has a initial and child value of 2​
fredd [130]

For an exponential function the y-intercept is the "initial value" (not the common ratio).

y = 2 \times  {1}^{x}

will always be 2. if that's what you need

note that

{1}^{0}  = 1

because anything to the power of zero equals 0 (mathematically it's deciding something by itself)

7 0
3 years ago
Respond to the following question with either a TRUE or FALSE: "The following parabola opens down: f (x) = -x2 + 5"
faust18 [17]

Answer: A) True because the leading coefficient is negative

Explanation:

The leading term is -x^2 since this term has the largest exponent.

The leading coefficient is -1 as it's the coefficient of the leading term.

It might help to write -x^2 as -1x^2

The negative leading coefficient makes the parabola open downward, so each endpoint goes off to negative infinity. The graph looks like a frowny face. You can think of a negative emotion going with a frowny face, so that negative emotion matches with the negative leading coefficient. There are probably other ways to remember but that's the trick I use.

6 0
3 years ago
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