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DochEvi [55]
3 years ago
14

Marisol constructed a triangle. One angle in the triangle has a measure of 40°. Another angle in the triangle has a measure of 8

0°. What is the measure, in degrees, of the third angle in Marisol’s triangle?
Mathematics
1 answer:
Tanzania [10]3 years ago
5 0

Answer:

A triangles angle always equal to 180 degrees. So if you add up what you already have which is 80+40=120

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Which of the following is a characteristic of all parallelograms?
Bad White [126]

Answer:

The opposite sides are always parallel.

5 0
3 years ago
An empty cup in the shape of a cylinder (pictured below) is being filled with water.
lesantik [10]

Answer:

The answer is 88%

After 7 seconds the cup is about 88% filled with water.

5 0
3 years ago
Korey kept track of the number of miles he ran each week for five weeks. The median number of miles he ran during the five weeks
ivolga24 [154]

Options:

A. 18, 20, 20, 22, 25

B. 20, 20, 20, 25, 25

C. 16, 19, 21, 22, 22

D. 20, 20, 21, 22, 22

Answer:

A. 18, 20, 20, 22, 25

Step-by-step explanation:

Required

Which list has a mean of 21 and median of 20

Each of the list have 5 numbers and they've all been sorted.

The median is the number at the 3rd position (i.e. the middle number)

So, list C and D are out because they do not have a median of 20.

Next, calculate the mean of lists A and B

\bar x = \frac{\sum x}{n}

A. 18, 20, 20, 22, 25

\bar x = \frac{18 + 20 + 20 + 22 + 25}{5}

\bar x = \frac{105}{5}

\bar x = 21

B. 20, 20, 20, 25, 25

 \bar x = \frac{20 + 20 + 20 + 25 + 25}{5}

\bar x = \frac{110}{5}

\bar x = 22

Only list A has a median value of 20 and a mean value of 21

6 0
3 years ago
What is the value of y?
sesenic [268]
The lines through side AB and side AC tell us that both sides are congruent, and by the isosceles triangle theorem that means that m∠ABC = m∠ACB so
m∠ABC = 40
Since all 3 angles in a triangle always add up to 180, we know that
(40) + (5x) + (2y + 20) = 180
We substitute our known value for 5x and solve for y:
40 + 40 + 2y + 20 = 180
2y + 100 = 180
subtract 100 from both sides
2y = 80
divide both sides by 2 to get our answer:
y = 40
5 0
3 years ago
SOMEONE PLEASE HELP ME ASAP!!!!!!!!!!!!!
PIT_PIT [208]

answer is 10

if not then im srry

4 0
3 years ago
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