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3 years ago

What is the measure of angle A?

Mathematics

2 answers:

natulia [17]3 years ago

5 0

Answer:

a = 127

Step-by-step explanation:

These angles are supplementary which means they add up to 180:

15 + a + 38 = 180

a + 53 = 180

a = 180 - 53

a = 127

Alex3 years ago

3 0

angle a + 15° + 38° = 180° [ Linear pair]

a + 53° = 180°

$a = 180 - 53 \\ a = 127$

So, a = 127°

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(-10,2) (-5,-1) find mid point

zmey [24]

The Mid - point of the line segment is at coordinates - M(- 7.5, 0.5)

We have two coordinate points - A(- 10, 2) and B(- 5, -1)

We have to find the midpoint of this line AB.

<h3>What is Mid - Point Theorem?</h3>

It states that a line with endpoint coordinates as - $(x_{1} ,y_{1} )$ and $(x_{2} ,y_{2} )$ has its mid - point at the coordinates -

$(x_{M} ,y_{M} ) =( \frac{x_{1} +x_{2} }{2} , \frac{(y_{1} +y_{2} )}{2} )$

According to question, we have -

First coordinate Point - $(x_{1} ,y_{1} )$ = (- 10, 2)

Second coordinate Point - $(x_{2} ,y_{2} )$ = (- 5, - 1)

Using the Mid - Point formula, we get -

$(x_{M} ,y_{M} ) =( \frac{x_{1} +x_{2} }{2} , \frac{y_{1} +y_{2} }{2} )$ =

$x_{M} = \frac{-10-5}{2} = \frac{-15}{2} = - 7.5\\\\y_{M} = \frac{2 - 1}{2} = \frac{1}{2} = 0.5$

Hence, the Mid - point of the line segment is at coordinates -

M(- 7.5, 0.5)

To solve more questions on Mid - points, visit the link below -

brainly.com/question/25377004

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5 0

2 years ago

If the lengths of two sides of a triangle are 3 and 12, which could be the length of the third side?

Ierofanga [76]

Answer: 1st is if it’s 2 legs second is if it’s a leg and hypotenuse

Step-by-step explanation:

6 0

3 years ago

For the function f(x) = 2x +3, evaluate f(3).

AveGali [126]

Answer:

Step-by-step explanation:

f(3) = 2(3) + 3

= 9

4 0

3 years ago

Read 2 more answers

Joaquin and Trisha are playing a game in which the lower median wins the game. Their scores are shown below. Joaquin's scores: 7

alekssr [168]

Answer:

Step-by-step explanation:

Given

Joaquin's score is $75,72,85,62,58,91$

and Trisha's score is $92,90,55,76,91,74$

Arranging score in order of value we get

Joaquin's : $58,62,72,75,85,91$

Trisha's : $55,74,76,90,91,92$

as no of values is even therefore their median is

Joaquin's $=\frac{72+75}{2}=73.5$

Trisha's $=\frac{76+90}{2}=83$

Therefore median of Joaquin's is lower

Thus Joaquin wins the game

5 0

3 years ago

Read 2 more answers

Ben is taking guitar classes three times a week for 8eeeks each class will last 1 3/4 hours how many hours will Ben have spent i

Cerrena [4.2K]

Answer:

Step-by-step explanation:

to find the answer to this you would have to ethier convert 1 3/4 to 1.75 or multiply top heavy fractions

converted way

1.75x8= 14 - stays the same

nonconverted way

7/4 x 8/1 = 56/4 = 14

etheir way you get the same answer

8 0

3 years ago