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lawyer [7]
3 years ago
10

Find the circumference of the pizza to the nearest whole numbe 7 in.

Mathematics
1 answer:
N76 [4]3 years ago
7 0

Answer:

The circumference is 44 in.

Step-by-step explanation:

C = 2πr        Use this equation to find the circumference

C = 2π(7)     Multiply

C = 14π        Multiply

C = 43.98 ≈ 44 in

If this answer is correct, please make me Brainliest!

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Phyllis invested $10,500 a portion earning a simple interest rate of 9(1/5)% per year and the rest earning a rate of 9% per year
Alenkinab [10]
Total investment  = $10,500

Let x = amount of first investment, and y the amount of the second investment.

First investment:
Interest rate = 9 (1/5)% = 0.092
Earned interest = 0.092x

Second investment:
Interest rate = 9% = 0.09
Earned interest = 0.09y

Total interest after one year is $957.00, therefore
0.092x + 0.09y = 957       
 or
1.0222x + y = 10633.33   (1)

Also,
x + y = 10500               (2)

Subtract (2) from (1).
0.0222x = 133.33
x = 6000
y = 10500 - x = 4500

Answer:
The first investment is $6,000 at 9 (1/5)% rate;
The second investment is $4,500 at 9% rate.

7 0
3 years ago
If r(x) = 3x – 1 and s(x) = 2x 1, which expression is equivalent to (startfraction r over s endfraction) (6)? startfraction 3 (6
viva [34]

The expression which is equivalent to the given ratio of the two provided binary fraction is startfraction 3 (6) minus 1 over 2 (6) 1 endfraction.

<h3>What is the equivalent expression?</h3>

Equivalent expressions are the expression whose result is equal to the original expression, but the way of representation is different.

The given binary functions are.

r(x) = 3x - 1

s(x) = 2x +1

The expression which has to be found out is,

\left(\dfrac{r}{s}\right)(6)=\left(\dfrac{3(6)-1}{2(6)+1}\right)\\\left(\dfrac{r}{s}\right)(6)=\left(\dfrac{18-1}{12+1}\right)\\\left(\dfrac{r}{s}\right)(6)=\left(\dfrac{17}{13}\right)

Thus, the expression which is equivalent to the given ratio of the two provided binary fraction is startfraction 3 (6) minus 1 over 2 (6) 1 endfraction.

Learn more about the equivalent expression here;

brainly.com/question/2972832

7 0
2 years ago
Item 15 Solve the equation for y. 20=5x+10y
Ronch [10]

Answer:

Rewrite the equation as

5

x

+

10

y

=

20

5

x

+

10

y

=

20

.

5

x

+

10

y

=

20

5

x

+

10

y

=

20

Subtract

5

x

5

x

from both sides of the equation.

10

y

=

20

−

5

x

10

y

=

20

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x

Divide each term by

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10

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y=2−x/ 2

Step-by-step explanation:

5 0
3 years ago
Help me please! (need it quick)<br> 25 POINTS plus A THANKS, BRAINLIEST AND 5 STAR
user100 [1]

Answer:965.3

Step-by-step explanation:

8 0
2 years ago
Write 2784 in expanded notation as the sum of multiplication expressions using multiples of 10
vlabodo [156]
(2x1000)+(7x100)+(8x10)+4
8 0
4 years ago
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