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Natalija [7]
3 years ago
8

QUAL A ÁREA, EM CENTÍMETROS QUADRADOS, DA FIGURA AO LADO?

Mathematics
1 answer:
Ratling [72]3 years ago
3 0

Answer:

Step-by-step explanation:

Dado:

Considere o quadrilátero como trapézio, então nós temos

soma dos lados paralelos = 13+22

altura = 12

Encontrar:

área de trapézio = ?

Solução:

Considere o quadrilátero como trapézio, então nós temos

\textrm{área de trapézio}=\frac{1}{2}\times \textrm{soma dos lados paralelos}\times altura\\=\frac{1}{2}\times (13+22)\times 12\\=210\ centímetros quadrados

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SOLVE THIS QUESTION!! 10 POINTS! Check image below for more help!
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Answer:

I believe the answer is 48 degrees.

Step-by-step explanation:

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3 years ago
What are the zeros of the quadratic function f(x) = 6x^2 + 12x - 7?
Sergeeva-Olga [200]

Answer:

-12 + √(144- 4(-42)/12

-12 + √312/12

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= +.47 and -.47

4 0
3 years ago
Alex paid $9 to park her car for 2 hours. Write an equation that shows the relationship between p, the numbers of hours parked,
tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

Parking charge for 2 hours = $ 9

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3 0
3 years ago
I need help with elimination with substitution. The equations are 3x+4y=19 and 3x+6y=33
olganol [36]
For elimination, multiply one whole equation by negative one (-1), then add or subtract according to your signs. After that, it will be a one-step equation.

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Then you would go back and substitute the value of (y) back into either equation and then solve for the remaining variable (x). Finally, use both values to make an ordered pair.

3x + 4y = 19          3x = -9          x = -3          (-3 , 7)
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Good Luck

4 0
3 years ago
Write an expression for the eighth partial sum of the series using summation notation
balandron [24]

Answer:

option B

Step-by-step explanation:

9/10 + 6/5 + 3/2...........

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We will get the same difference when we subtract consecutive terms.

so , d= 3/10, a= 9/10

we find the formula for nth term

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a_n = \frac{6}{10} +\frac{3}{10}n

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we need to find eighth partial sum so we  take n=1 to 8

sum of 8 terms (\frac{3}{5} +\frac{3}{10}n)

So option B is correct


4 0
3 years ago
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