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3 years ago

How to find angles in a triangle

Mathematics

2 answers:

motikmotik3 years ago

7 0

Well when you add up all three angles of a triangle you should get 180 degrees.

Alekssandra [29.7K]3 years ago

4 0

You have to look at the vertices then find out if the angles are right,acute or obtuse angles

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Find the coordinates if the midpoint of a line segment with endpoints (-3,4) and (7,9).

svetoff [14.1K]

Using the midpoint formula
$\frac{ x_{1}+ x_{2} }{2}, 
 \frac{ y_{1}+ y_{2} }{2}$
$\frac{-3+7}{2},
 \frac{4+9}{2}$
$\frac{4}{2},
 \frac{13}{2}$
$(2,6.5)$
So, your answer would be (2,6.5).

5 0

3 years ago

Read 2 more answers

-3-(-2)+(-10) Explain answer

natka813 [3]

Answer:

-11

Step-by-step explanation:

-3-(-2)+(-10)

Two - make a pos -3+2+(-10)

-1+(-10)

-11

3 0

2 years ago

Read 2 more answers

I rlly need this quick please and thank you

scZoUnD [109]

Step-by-step explanation:

2002 can be rounded to a compatible number such as 2000.

2000 / 2 = 1000.

They each received around 1000 marbles.

6 0

3 years ago

За – 6а + 2 = 8а + 20 – 5а

Luda [366]

Answer:

a = -3

Step-by-step explanation:

3a - 6a + 2 = 8a + 20 - 5a

Combine Like Terms

-3a + 2 = 3a + 20

-2 -2

-------------------------------------

-3a = 3a + 18

-3a -3a

-------------------------------------

-6a = 18

---- ----

-6 -6

a = -3

4 0

2 years ago

Hal earns n dollars per hour. Next month he

xenn [34]

Answer:

$Total = 1.02n$

Step-by-step explanation:

Given

$Earnings = n$

$Raise = 2\%$ --- not 296

$Total = n + 0.02n$

Required

Simplify the expression for total earning

The total amount is derived from:

$Total = Earnings + Raise * Earnings$

$Total = n + 2\% * n$

Express percentage as decimal

$Total = n + 0.02 * n$

Now, we can solve further:

$Total = n + 0.02n$

$Total = 1.02n$

Hence, the simplified expression is 1.02n

8 0

3 years ago

Read 2 more answers