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azamat
3 years ago
12

A triangle has one angle that measures 90° and another that measures 20°. what kind of triangle is it?

Mathematics
1 answer:
dalvyx [7]3 years ago
4 0
An obtuse triangle...hope that helps
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Find the equation of the straight line with the gradient -2/3 and passing through the point(1,1)
adell [148]

Answer:

y = -2/3 x + 5/3

Step-by-step explanation:

y = mx + b

y = -2/3 x + b

1 = -2/3 × 1 + b

3/3 + 2/3 = b

b = 5/3

y = -2/3 x + 5/3

4 0
2 years ago
Can you please help me? Thanks!!!!
ss7ja [257]
The answer is 25 degrees.

This is how you solve the equation, first you must know that the straight like ABC=180, DBC is 130, so the remaining amount is 50 degrees, BE is a bisector of ABD which means it splits ABD right down the middle. So ABE+EBD=50 degrees, 25+25=50 since both sides MUST be equal in order for BE to be a bisector of ABD.

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4 0
3 years ago
Please help me with this
maria [59]

Answer:

I think the answer is positive 8

Step-by-step explanation:

6 0
3 years ago
The total scores on the Medical College Admissions Test (MCAT) in 2013 follow a Normal distribution with mean 25.3 and standard
aivan3 [116]
1st quartile (25%) and the 3rd quartile (75%) values are -0.6745 and 0.6745 respectively. Use this formula z= (x-mean)SD -0.6745 = (x-25.3)/6.5. 
x=25.3 - 0.6745(6.5) = 25.3 - 4.3843 = 20.9157 1st Quartile
 0.6745 = (x - 25.3) 6.5
 x = 25.3 + 0.6745 = 25.3 + 4.3843 = 29.6843 3rd quartile 
 interquartile range is the difference between the 1st quartile and the 4th quartile
8 0
3 years ago
What is the value of x?
castortr0y [4]

Answer:

68°

Step-by-step explanation:

Attached is an image of the isosceles triangle theorem.

Utilizing this theorem, we know that the bottom two angles are congruent, or the same.

We also know that there are 180° in a triangle. Lets find x!

1) Write an equation to find angle x:

56+56+x=180

2) Simplify

112+x=180

3) Subtract 112 from both sides:

x=68°

4 0
3 years ago
Read 2 more answers
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