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Klio2033 [76]
3 years ago
15

Lisa draws several right triangles and measures the angles. Her measurements are shown in the diagram. Each right triangle has o

ne right angle (90° angle) and two non-right angles (angles that are not 90° angles). What conjecture(s) could Lisa make based on her exploration? Select all that apply.
A. Right triangles always have two equal sides.

B. The sum of the measures of the two non-right angles of a right triangle is 90°.

C. The sum of the measures of the three angles in a right triangle is 180°.

D. right triangle is always scalene.

E. The two non-right angles of a right triangle are both acute angles.
Mathematics
1 answer:
Ray Of Light [21]3 years ago
7 0

Answer:

a and b

Step-by-step explanation:

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Someone help me with these questions pls-
Andrews [41]

When finding the reciprocal, it is basicaly flipping the numerator and denominator of the number. For instance, the reciporcal of 2 is 1/2, because the denominator of 2 would be 1. For an example more straight forward, the reciporacle of 3/5 is 5/3. This applied to the question goes as followed.

1. 3/5 is 5/3

2. 1/4 is 4

3. 1 is 1

Similarly when dividing fractions or an integer to a fraction, the fraction that is dividing the number turns into the reciprocal then you would multiply.

4.   3/(3/4) is 3*4/3= 4

5.   5/(3/4) is 5*(4/3)= 20/3

6.   8/(4/7) is 8*(7/3)= 56/3

7. 6/(3/5) is 6*(5/3)= 10

8. 2/(5/8) is 2*(8/5)= 16/5

9. 4/(8/9) is 4*(9/8)= 9/2

8 0
2 years ago
Read 2 more answers
-8+y=14
Sati [7]

Answer:

y = 22

Step-by-step explanation:

we want to move the -8 to the other side, so 14+8 = 22

y = 22

check: -8 + 22 = 14

8 0
3 years ago
Read 2 more answers
BRAINLIESTT
Rudik [331]

9514 1404 393

Answer:

  3 months

Step-by-step explanation:

We don't know what's on your list of "useful financial formulas." One that can be used here is the formula for simple interest:

  I = Prt . . . . . interest on principal P at annual rate r for t years

Solving for t gives ...

  t = I/(Pr)

Filling in the given values, we can find t to be ...

  t = 138/(4800×0.115) = 138/552 = 1/4

1/4 year is 3 months -- the duration of the loan.

4 0
3 years ago
What is the measurement of angle X
jasenka [17]
I would say 60 degrees because the shape that has x is just a bigger version of the original so it would have the same angels so x is 60 degrees
3 0
3 years ago
Combine the like terms to create an equivalent expression: r+(−5r)
nevsk [136]

Answer:

-4r

Step-by-step explanation:

Since r and -5r both have the same variable, we can combine them

r-5r = -4r

r+(−5r) = -4r

8 0
3 years ago
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