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noname [10]
3 years ago
15

Which set of three angles could represent the interior angles of a triangle?

Mathematics
2 answers:
Harrizon [31]3 years ago
8 0
A. 49°, 59°, 72°

Because this is the only one that equals 180° which is the sum of a triangle
eimsori [14]3 years ago
5 0

Step-by-step explanation:

the sum of measures of all three interior angles of a triangle = 180°

so, these angles are interior angles of a triangle only if their sum is 180°

now, by checking we get ,

49, 59º. 72

sum of these angles measure 180°

hence, the required angles are 49, 59º. 72

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Mr. Martinez makes $800 in 20 hours. How much does he make in one<br> hour? How do you know?
Sati [7]

Answer:

$40

Step-by-step explanation:

Divide.

$800 / 20 hrs.

= $40

6 0
3 years ago
Read 2 more answers
Mary has a pink dress, a blue dress, and a yellow dress. She has a black pair of shoes and a white pair. How many dress and shoe
Yanka [14]
There are two ways to solve this. 
The first way is logically. 
Mary can 
-wear a pink dress with black shoes   -wear a pink dress with white shoes
-wear a blue dress with black shoes   -wear a blue dress with white shoes
-wear a yellow dress with black shoes   - wear a yellow dress with white shoes

Count them up, and you'll get six combinations! 

Another way is simply mathematically, which is easier in my opinion. 

3 (different colored dresses) × 2 (different colored shoes) = 6 (combos)
8 0
3 years ago
If f(x) =15x 2 + 10x, find f(-1)<br><br> Anyone know the answer?
Rom4ik [11]
I'm assuming the given function is f(x) = 15x^2 + 10x.

If so, then,

f(x) = 15x^2 + 10x
f(x) = 15*(x)^2 + 10*(x)
f(-1) = 15*(-1)^2 + 10*(-1) ... note how x is replaced with -1
f(-1) = 15*(1) + 10*(-1)
f(-1) = 15 - 10
f(-1) = 5

Therefore the answer is 5
7 0
3 years ago
if joelle multiplied 792 by a positive integer and came up with a perfect square, what is the smallest integer she could have mu
antoniya [11.8K]
The positive integer is 22.
7 0
3 years ago
9,15,15,6,10,19,14,16 What is the Mean , Median , Mode and Range ?
lesya692 [45]

Answer:

The mean is 104 (Just add them all up)

The median is either 6 or 10 (its the number in the middle, sometimes there are two medians)

The mode is 15 (It shows up more than once)

The range is 13 (Take the smallest number and the highest number and subtract)

7 0
3 years ago
Read 2 more answers
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