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anzhelika [568]
3 years ago
7

If anyone knows how to obtain the answer, please notify me.

Mathematics
1 answer:
Tems11 [23]3 years ago
6 0

Answer:

Area =  

b1 + b2

×h

2

=  

2 + 6

× 5

2

=  

20 centimeters2

Step-by-step explanation:

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Lillian put the names of all the cities in the state into a jar. Then, she drew 27 names out of the jar.
andrezito [222]

Answer:

No

Step-by-step explanation:

There are no factors to make the drawing biased.

6 0
2 years ago
Find the polar equation of the conic with the focus at the pole, directrix y = -6, and eccentricity 4
expeople1 [14]

Answer:

Choice B is correct

Step-by-step explanation:

The eccentricity of the conic section is given as 4 and thus the conic section is a hyperbola. Hyperbolas are the only conic sections with an eccentricity greater than 1.

Next, the directrix of this hyperbola is located at y = -6 implying that the hyperbola will be opening upwards. Consequently, the polar equation of this hyperbola will be of the form;

r=\frac{k}{1-4sin(theta)}

The value of k in the numerator is the product of eccentricity and the absolute value of the directrix;

k= 4*6 = 24

The polar equation is thus given by alternative B

3 0
3 years ago
What is the sum of the values of x and y that solves this system of equations?
motikmotik

Answer:

C) 3

Step-by-step explanation:

2x-y=3

-4x+2y=-6

4x+3y=11

-4x+2y=-6

4x+3y=11

5y=5

<u>y=1</u>

2x-y=3

2x-1=3

2x=4

<u>x=2</u>

2+1=<em><u>3</u></em>

6 0
3 years ago
If x=a and x=b for the solution of x^2-3=2x and a&lt;b what is b-a​
olga_2 [115]

9514 1404 393

Answer:

  4

Step-by-step explanation:

Written in standard form, the quadratic is ...

  x^2 -2x -3 = 0

This can be factored as ...

  (x -3)(x +1) = 0

so the solutions are ...

  x = 3, x = -1 . . . . . . values of x that make the factors zero

The difference of interest is ...

  3 -(-1) = 4

6 0
3 years ago
Round 0.5289 to the nearest thousandth.
Anit [1.1K]

Answer:

0.5289 to the nearest thousandth is 0.529.

Step-by-step explanation: If a number is less than 5, round down, but if a number is 5 or more, round up. The digit after the thousandths place is the digit we should look at to answer the question and it is 9, so we round up from 0.528 or 0.529. So, the answer is 0.529.

7 0
3 years ago
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