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mrs_skeptik [129]
3 years ago
7

Calculate the area and perimeter of the given shape with radius 14 cm.

Mathematics
1 answer:
BaLLatris [955]3 years ago
5 0

Answer:

Area=615.44

perimeter=87.92

Step-by-step explanation:

area= 3.14×14×14=615.44

perimeter=3.14×2×14=87.92

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You are selling tomatoes for $4 per pound. You have already earned $16 today. How many additional pounds of
bonufazy [111]

Answer:

D: 11

Step-by-step explanation:

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3 years ago
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Solve the 3x3 system shown below. Enter the values of x, y, and z.
slamgirl [31]

Answer:

x = 1

y = -1

z = 2

Step-by-step explanation:

You have the following system of equations:

x+2y-z=-3\ \ \ \ \ (1)\\\\2x-y+z=5\ \ \ \ \ \ (2)\\\\x-y+z=4\ \ \ \ \ (3)

First, you can subtract euqation (3) to equation (1):

x + 2y - z = -3

<u>-x +y  -z = - 4 </u>

0   3y  -2z = -7    (4)

Next, you can multiply equation (3) by 2 and subtract it to equation (2):

2[ x -y + z = 4]

<u> -2x +y -z = -5</u>

  0 -y + z= 3     (5)

You multiply equation (5) by 2 and sum (5) with (4):

2[ -y  + z = 3]

<u>    3y  -2z= -7</u>

  y  + 0 = -1

Then y = -1

Next, you replace y=-1 in (5) to obtain z:

-(-1) + z = 3

z = 2

Finally, you can replace z and y in the equation (3) to obtain x:

x - (-1) + (2) = 4

x = 1

7 0
3 years ago
Write the first five terms of the arithmetic sequence. First term: -8 and common difference: -2
Hunter-Best [27]

Answer:

-8,-10,-12,-14,-16

Step-by-step explanation:

Just take -8 and add -2 to find each term

7 0
3 years ago
Mathew deposits 400800.00 kina with the bank which offers 5½% interest per annum. calculate the interest earned after four years
Sati [7]

Solution

For this case we can use the following formula:

A=P(1+\frac{r}{n})^{nt}

Where:

P= 400800 = present value

A= future value

r= 0.055 interest rate

n= 4, number of times that the interest is compund in a year (quarterly)

t= 4 years

Replacing we got:

A=400800(1+\frac{0.055}{4})^{4\cdot4}=498679.58

then the interest would be:

I=A-P=498679.58-400800=97879.58

4 0
1 year ago
Need help with #1 “how is the equation y= 2x similar to the equation y= 2x + 3?how is it different?”
Karo-lina-s [1.5K]

Answer:

The 2nd one would be different from the first because you are adding 3.

Step-by-step explanation:

6 0
3 years ago
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