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Helga [31]
3 years ago
13

Find the area of the trapezoid. 168 in2 72 ft2 94.5 ft2 84 ft2

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
6 0

Answer:

Area of trapezoid = 84 ft^2

Step-by-step explanation:

Area of a trapezoid formula is \frac{base1+base 2}{2} \cdot height

Length of base1 is 12ft

Length of base2 is 9ft

The height of the trapezoid is 8ft

Plug in all the values in the formula

Area of a trapezoid= \frac{base1+base 2}{2} \cdot height

=\frac{12+9}{2} \cdot 8

=(12+9) \cdot 4

= 84 ft^2

tia_tia [17]3 years ago
4 0
The answer is going to be 168^2
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Find the equation of a line in slope-intercept form that passes through the points (−2,−4) and (−7,11).
yanalaym [24]

Answer:

-3

Step-by-step explanation:

I think that's it. I'm not sure.

3 0
3 years ago
What are the first four terms in the sequence generated by the formula? an=n^2+2n+1
kotykmax [81]

Given the formula:

a_n=n^2+2n+1

First term:

a_1=1^2+2(1)+1=1+2+1=4

Second term:

a_2=2^2+2(2)+1=4+4+1=9

Third term:

a_3=3^2+2(3)+1=9+6+1=16

Fourth term:

a_4=4^2+2(4)+1=16+8+1=25

Answer: the first four terms are: 4, 9, 16 and 25

4 0
1 year ago
Solve for me pls :)
I am Lyosha [343]

Answer:

<h2>f(19) =  -  \frac{27}{7}  \\</h2>

Step-by-step explanation:

f(x) =  \frac{3}{x + 2}  -  \sqrt{x - 3}  \\

To find f(19) , substitute the value of x that's 19 into f(x). That is for every x in f (x) replace it with 19

We have

f(19) =  \frac{3}{19 + 2}  -  \sqrt{19  - 3}  \\  =  \frac{3}{21}  -  \sqrt{16}  \\  =   \frac{1}{7}  - 4 =  \frac{1 - 28}{7}

We have the final answer as

f(19) =  -  \frac{27}{7}  \\

Hope this helps you

8 0
3 years ago
PLEASE HELP ME <br> A. 6,000 cm3 <br> B. 3,000 cm3 <br> C. 4,000 cm3 <br> D. 900 cm3
stiv31 [10]

Answer:

A 6000

Step-by-step explanation:

15x20 = 300

300 x 10

since theres two rectangles with the same side lengths

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6000

7 0
2 years ago
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Xerxes, Murray, Norah, Stav, Zeke, Cam, and Georgia are invited to a dinner party. They arrive in a random order and all arrive
Nikolay [14]

Answer:

0.143

Step-by-step explanation:

From counting principle, we can say that:

There are 7! ways of the 7 people to arrive first. Any one of them can come first. But, what is the probability that Xerxes with arrive first?

We take that Xerxes is the first one to arrive, then from the 7 - 1 = 6 remaining people, they can arrive in 6! ways. So

Probability Xerxes arrives first = 6!/7! = 0.1429

Rounding to 3 decimal places, it will be:

<u>Probability Xerxes arrives first = 0.143</u>

7 0
3 years ago
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