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Ilya [14]
3 years ago
11

When calculating the area of a trapezoid, how do you determine which sides are the bases?

Mathematics
1 answer:
ira [324]3 years ago
3 0

Here is a video to help you with your question:

https://youtu.be/WaeD3qKc7Jc

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Perpendicular to the line y=1/2x-8; passes through (7,-6). Write the slope-intercept form of the equation.
Airida [17]

<u>ANSWER: </u>

The slope intercept form of the required line is y = -2x + 20.

<u>SOLUTION: </u>

Given, line equation is $y=\frac{1}{2} x-8$

And, Perpendicular line to the given line  passes through (7,-6).  

We need to find the slope intercept form of perpendicular line of given line.  

We already have the point (7, -6) but we need to find the slope.

Now, we know that, product of slopes of two perpendicular lines equals to -1.

Slope of given line is \frac{1}{2}, by comparing with the general form of slope intercept form.

\frac{1}{2} \times slope of required line = -1

Slope of perpendicular line = -2

Now, line equation of perpendicular line in point slope form is

$y-y_{1}=m\left(x-x_{1}\right)$

y – (-6) = -2(x – 7)

y + 6 = -2x + 14

y = -2x + 20

the above equation is in the form of slope intercept form of a line equation  

where slope m = -2 and intercept c = 20

hence, the slope intercept form of the required line is y = -2x + 20.

6 0
3 years ago
Please need help to solve this
Sunny_sXe [5.5K]
Greetings!

Convert both terms into improper fractions:
=9/1-59/8
Find the LCM.
=72/8-59/8
Simplify.
=13/8
Convert to Mixed Number.
=1 \frac{5}{8}

The second answer would be correct.

Hope this helps.
-Benjamin
5 0
3 years ago
Which equation is part of solving the system by substitution?
gayaneshka [121]

Answer:

4(11-y)²-3y²=8

Step-by-step explanation:

x+y=11

x=11-y

5 0
3 years ago
Read 2 more answers
X squared equals 922. The square root is a decimal which I can't use.
Step2247 [10]
If you need to siplify that radical, you should try to put all the numbers as product of prime factors.

922 = 2*461

2 and 461 are prime numbers. Then the transformation of the square root is √(922) = √(2*461) = (√2)(√461)

So you can use that in any expression to try to simpliy with other numbers whose prime factors include 2 and 461.

4 0
3 years ago
Please answer the above question​
enyata [817]
70
Since 35 is an angle at the circumference
4 0
3 years ago
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