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Studentka2010 [4]
3 years ago
15

Which of the following does NOT give you congruent angles?

Mathematics
1 answer:
kirill115 [55]3 years ago
6 0

Answer:

Triangle Sum Theorem

Step-by-step explanation:

These do not give you congruent angles

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Number of sides of shape: 4<br>Number of degrees inside:<br>​
Nutka1998 [239]

Answer:

360°

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

here n = 4, hence

sum of interior angles = 180° × 2 = 360°

4 0
3 years ago
The probability that Colin buys a sandwich is 0.3.
garik1379 [7]

Answer:

0.21

Step-by-step explanation:

For independent probalities, the chance of both things happening is their product. 0.3 * 0.7 = 0.21

7 0
2 years ago
Solve 5n^2=5 with the quadratic formula
Yanka [14]

Answer:

n = 1

Step-by-step explanation:

First, rearrange the equation to standard form 0 = ax² + bx + c, when everything equals 0.

5n² = 5

5n² - 5 = 0

State the variables a, b and c.

a = 5;  b = 0;  c = -5

Substitute a, b, and c into the quadratic formula.

n = \frac{-b ±\sqrt{b^{2}-4ac} }{2a}

n = \frac{-0 ±\sqrt{0^{2}-4(5)(-5)} }{2(5)}   Substitute

n = \frac{\sqrt{100} }{10}   Simplify inside the √ and bottom

n = \frac{10}{10}  Simplify the top

n = 1  Final answer

Therefore the solution is n = 1.

The quadratic formula usually is written with x, but it can be solved with any variable in standard form.

3 0
3 years ago
In a certain class 40% of the students are girls; and 20% of the girls wear glasses, what percentage of the children in the clas
dem82 [27]
<span>For example
let there be 100 students

so the number of girls=40
20% of girls=20%of40=20*40/100=8 wear glasses
Which means 8 out of 100 students wear glasses
So 8%students wear glasses</span>
7 0
3 years ago
How many feet is 48 inches
Ivenika [448]
48 inches is equal to 4 feet
5 0
2 years ago
Read 2 more answers
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