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N76 [4]
3 years ago
14

I need help is it A B C or D

Mathematics
2 answers:
Vikentia [17]3 years ago
7 0
The answer is C.

First you calculate the area of the backyard:(3x-5)*(4x-10)=12x^2-50x+50

Then you calculate the swimming pool area: (x+8)*(x-2)=x^2+6x-16

Finally, you substract the swimming pool area from the total backyard area and you get:
11x^2-56x+66 which is C.
JulsSmile [24]3 years ago
5 0
I agree, it's C - here's my method :)

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If the altitude of an isosceles right triangle has a length of x units, what is the length of one leg of the large right triangl
EleoNora [17]
The answer is B. 2 units HOPE IT HELPS

4 0
3 years ago
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A local farm has raised $3,300 from their annual maple syrup festival. The owner of the farm decided to invest this money into a
myrzilka [38]
Total = Principal * (1 + rate)^years
Total = 3,300 * (1.018)^5
Total = 3,300 * <span> <span> <span> 1.0932988468 </span> </span> </span>
Total = <span> <span> <span> 3,607.8</span></span></span>9


7 0
3 years ago
ULLIVLY/1/2/3/assessment
zvonat [6]
<h3>The worth after 4 years is $ 680.24</h3>

<em><u>Solution:</u></em>

<em><u>The formula for compound interest, including principal sum, is:</u></em>

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

Where,

A = the future value of the investment

P = the principal investment amount

r = the annual interest rate (decimal)

n = the number of times that interest is compounded per unit t

t = the time the money is invested

From given,

n = 1 ( since interest is compounded annually)

p = 500

t = 4

r = 8 \% = \frac{8}{100} = 0.08

<em><u>Substituting the values we get,</u></em>

A = 500(1+ \frac{0.08}{1})^{1 \times 4}\\\\A = 500(1.08)^4\\\\A = 500 \times 1.36048896\\\\A = 680.24448 \approx 680.24

Thus the worth after 4 years is $ 680.24

3 0
3 years ago
A company makes steel rods shaped like cylinders. Each rod has a diameter of 4 centimeters and a height of 60 centimeters. If th
gavmur [86]

Answer:

See below.

Step-by-step explanation:

1) Please check the number of volume of steel. It should be 54,259.2

{cm}^{3}

. Not 54,259.2 cm. Right?

2) If so,

First

The volume of single rod

=  \pi \times ( { \frac{4}{2} })^{2} \times 60= \pi \times  {2}^{2} \times 60= 4\pi \times 60= 4 \times 3.14 \times 60= 753.6 {cm}^{3}

The number of rods

=  \frac{54259.2}{753.6}  = 72

5 0
3 years ago
What is the range of the function graphed below?
PilotLPTM [1.2K]

Answer:

[-4,0) ∪ [2, ∞)

Step-by-step explanation:

For piecewise function domain and range, we need to understand the difference between "(" and "["  or  ")" and "]"

  • The parenthesis ( "(" and ")" ) are used for "open circles" in the graph.
  • The brackets ( "[" and "]" ) are use for "closed circles" in the graph.

Range is the set of y-values for which the function is defined.

Now,

The upper part of the function shows the graph going from y = 2 towards infinity (arrow). At y = 2 , there is closed circle, so this part range would be

[2, ∞)  (infinity is always with parenthesis)

Now, looking at bottom part, the function is defined from 0 (open circle) to -4 (closed). so we can write:

[-4,0)

This is the range, 2nd answer choice is correct.

[-4,0) ∪ [2, ∞)

3 0
3 years ago
Read 2 more answers
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