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MrRissso [65]
4 years ago
12

Donald took a math test and got 15 answers correct and 5 incorrect how many questions were on the test

Mathematics
2 answers:
Pepsi [2]4 years ago
8 0
There should be 20 questions that was on the test.
jekas [21]4 years ago
5 0
20 questions

Is this some type of trick question I'm missing out on? 
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URGENT!!! please help me with these two problems, and solve with statement-reasoning. Thank you!!!
iren [92.7K]

Answer:

See below.

Step-by-step explanation:

By definition the median of the triangle bisects the  base of the isosceles triangle.

We need to prove that the 2 triangles formed by the median are congruent.

If the 2 triangles are ABD  and ACD  where BD is the median and < ABC is the angle from which BD is drawn.

BD = BD  ( the common side)

AD = DC ( because BD is the median).

AB =  AC ( because ABC is  an isosceles triangle).

So Triangles ABD and ACD are congruent by SSS.

Therefore  m < ABD = m <  CBD,  so BD is the bisector of < ABC.

To prove BD is also the altitude:

Triangles ABD and CBD are congruent as we have just proven. Therefore the

of measure of the base angle ABD = m < CBD . Also they are adjacent angles ( on the same line) so they add up to 180.

Therefore angles ABD and CBD are both  right angles and BD is the altitude of triangle ABC.

8 0
4 years ago
The interest rate r required to increase your investment p to the amount a in t years is found by mc075-1.jpg. Find the interest
kotegsom [21]
I hope this is the answer :)
45.67=r

6 0
3 years ago
Read 2 more answers
If 1⁄50 of an amount is 12, what is 1⁄20?
Alika [10]
You start by changing both the a common denominator, this case it would be 100 so it’s 2/100 and 5/100, since 1/50 and 2/100 is the same, each 1/100 is equal to “6” and you have 5/100, which is EQUAL TO 30
4 0
3 years ago
A man ears $15.50 per hour with time and a half for overtime and he worked 46 hours during a recent week. Find his gross pay for
irina [24]

Answer:

525267262525226

Step-by-step explanation:

594944+757548484-848484%

6 0
3 years ago
What is an equation of the line in slope intercept form m=3 and the y-intercept is (0 4)
wlad13 [49]
Y = mx + b  (m = 3) y-intercept (0,4)

y = 3x + 4

hope this helps, God bless!
8 0
4 years ago
Read 2 more answers
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