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aleksklad [387]
2 years ago
13

PLEASE HELP

Mathematics
1 answer:
Anna007 [38]2 years ago
3 0

Answer:

She used the AA theorem because the two interior angles B and D are equal to 85 degrees. ABC and EDC are equal because they are vertically opposite angles.

ABC=EDC

ABC~EDC By AA criterion of similarity

AB/ED = AC/EC Because the corresponding sides of similar triangles are proportional.
Suppose (DE) =105 ft. Calculate the distance of (AB) . Show your work. Don’t forget to label your answer.

The answer is AB= 903

105=DE 25=DC 215=CB 903=AB

105/25= 4.2

4.2 * 215 = AB=903

Step-by-step explanation:

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Help and show your work
OLga [1]

Answer:

-3=k y=24

Step-by-step explanation:

y=kx.

-18=k(6)

k=-3.

So our value of k is -3 now, let solve for y.

y=kx

y=(-3)(-8)

y=24

3 0
3 years ago
Review the graph.
lisabon 2012 [21]

Answer: A, Magnitude of 8 and direction angle equal to 0°

Step-by-step explanation:

Since vector u is only a straight line, there will be no angle, which means that answers B and D are automatically wrong.

Now, we’re going to use the distance formula to find the component form of vector u

\sqrt{(6-(-2)^2+(3-3)^2}\\\\\sqrt{(8)^2+(0)^2}

Now we found the new coordinate, which is (8,0), and it is being extended from the origin with the same angle of 0°

Using the formula from above, we can find the magnitude of vector u

\sqrt{(8)^2+(0)^2} \\\\\sqrt{64+0}\\\\\sqrt{64}\\\\8

Hope I explained it well and hopefully this helps!

7 0
3 years ago
Read 2 more answers
What is the slope of the line.
uranmaximum [27]

Step-by-step explanation:

Two points on the line are (1,4) and(-4,-4)

slope of the line =

\frac{ y2 - y1}{x2 - x1}

\frac{ - 4 - 4}{ - 4 - 1}

\frac{ - 8}{ - 5}

\frac{8}{5}

4 0
4 years ago
Is 0.2 less than or greater than 0.4​
chubhunter [2.5K]

Answer:

less than

Step-by-step explanation:

Think about it as if it was on the number line. What ever is further to the right is greater. This make 0.2 less that 0.4.

5 0
3 years ago
Read 2 more answers
Need some help with this ​
Mkey [24]

Answer:

the slope is 1

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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