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matrenka [14]
3 years ago
7

I need help i'm never good at math :((

Mathematics
1 answer:
Alona [7]3 years ago
4 0

Answer:

The answer is d. (0,-6)

Step-by-step explanation:

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Please help me out please
Oxana [17]

In any trapezoid, the area is given by

A = \dfrac{(B+b)h}{2}

where B and b are the two bases, and h is the height. You're given all these elements already, so you only need to plug the values in:

A = \dfrac{(3+11)\cdot 8}{2} = \dfrac{14\cdot 8}{2} = 7\cdot 8 = 56

7 0
3 years ago
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Lina20 [59]
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4 years ago
What is the value of x in the proportion below?<br><br> 57=x21
Rama09 [41]

Answer:

2.71428571429

Step-by-step explanation:

calculator, counted it myself too to check if it's right

2.71428571429

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8 0
3 years ago
Read 2 more answers
Find the slope of the line that contains the points (-9, -3) and (-19, -3).
NNADVOKAT [17]

Answer:

Slope (m) = 0

Step-by-step explanation:

We will use this formula to find the slope⤵⤵⤵

\frac{y _{2} - y _{1}  }{x _{2} - x _{1}  }

(Sorry if it's a bit small btw)

Now we plug in the values accordingly:

-3 - (-3) = -3 + 3 = 0

-19 - (-9) = -19 + 9 = -10

Slope = 0/-10

So we have 0/-10, which means our slope is actually just 0.

(This also means that the line on the graph will be horizontal.)

Hope this helps you :)

7 0
3 years ago
Principal argument for (√3-i)^6​
True [87]

Answer:

r= \sqrt{(\sqrt{3})^{6} +(1)^{2}  } =\sqrt{4} =2

(2)^5(cos(330.6)+isin(330.6))

=64(Cos1350+iSin1350)

64(cos180+isin180)

=64(-1+0)= -64  

Step-by-step explanation:

4 0
3 years ago
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