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3 years ago

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Can u pls help me on this quickly

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Oduvanchick [21]3 years ago

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What’s the area of this figure

kvasek [131]

Answer:

743.25m^2

Step-by-step explanation:

Area of triangle = 1/2bh

= 1/2 x 30 x 26

= 390

Area of semi circle = 1/2 πr^2

= 1/ 2 x 3.14 x 15 x15

=353.25m^2

= 390 + 353.25

= 743.25m^2

8 0

3 years ago

Read 2 more answers

Base 72; percentage 12

iVinArrow [24]

Answer:

16.67

Step-by-step explanation:

12 is what percent of 72? = 16.67

4 0

3 years ago

Read 2 more answers

A tuition scale for a state university shows an increase of $1,100 each year. If the initial cost was $27,000. What will the cos

oksian1 [2.3K]

If each years cumulate an increase of 1100 dollars, then the cost after 22 years will be the base cost (27000) plus 22 increases (22*1100), for a total of

$27000 + 22\cdot 1100 = 27000 + 24200 = 51200$

This relates to arithmetic series as follows: a series is arithmetic if, given a starting element $x_0$ , every next element is given by adding a fixed number, called common difference, $r$ . So, the first terms are

$a_0 = x_0$
$a_1 = x_0 + r$
$a_2 = x_1 + r = (x_0+r) + r = x_0 + 2r$
$a_3 = x_2 + r = (x_0+2r) + r = x_0 + 3r$
$a_4 = x_3 + r = (x_0+3r) + r = x_0 + 4r$

So, you can see that the element $x_n$ is obtained by adding n times the common ratio to the starting element.

Since the element $a_n$ represents the cost after n years, we are interested in the element

$a_{22} = x_0 + 22r = 27000 + 22\cdot 1100 = 512000$

As we had already calculated.

7 0

3 years ago

Identify the center and radius of the circle with equation x2 + y2 - 8x - 4y - 5=0.

denis-greek [22]

The center is 4,2
The radius is 5
Hope this helps

5 0

3 years ago

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uncle sammy invests money on stocks and makes 7 to 13 percent of the invested money. Calculate the range of money sammy will mak

Effectus [21]

The invested money by uncle Sammy = $2,300.

Uncle Sammy makes minimum percent = 7 %.

So, let us calculate the minimum amount Uncle Sammy can make to invest $2,300 at 7%.

7% of 2,300 = 0.07 * 2,300 = $161.

Uncle Sammy makes maximum percent = 13 %.

So, let us calculate the maximum amount Uncle Sammy can make to invest $2,300 at 13%.

13% of 2,300 = 0.13 * 2,300 = $299.

Therefore, the $161 - $299 is the range of money uncle Sammy will make if he invests his next paycheck of $2,300.

6 0

3 years ago