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timofeeve [1]
3 years ago
9

In the triangle below, what is the measure of A? ОА. 180° Ос. 30° ор. 90°

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
3 0

Answer:

60°

Step-by-step explanation:

Total angle measurement for a triangle is 180°

Equilateral triangle measures 60 on all angles. (60 + 60 + 60 = 180°)

This triangle is equilateral so it's angle is 60°.

Why is it equilateral? Because all sides of the triangle are equal (10 on all sides).

Hope this helps

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postnew [5]

Answer:

Area = 168m^2

Step-by-step explanation:

Area of triangle = 1/2×base×height

Area = 1/2bh

= 1/2(8+16)(14)

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7 0
2 years ago
Which expression is equivalent to m^2-13m-30?
sergiy2304 [10]

Answer: First option

Step-by-step explanation:

You have the quadratic equation given in the problem:

m^2-13m-30

To find an equivalent expression you cacn factorize. Find two numbers whose sum is -13 and whose product is -30.

These numbers would be -15 and 2.

Therfore, you obtain the following equivalent expression:

(m-15)(m+2)

If you don't want to apply the method above, you can use the quadratic formula:

x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}

Where:

a=1\\b=-13\\c=-30

When you susbstitute values you obtain that:

x=15\\x=-2

Then you can rewrite the equation as (m-15)(m+2)

7 0
3 years ago
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The following system of equations can be used to
Damm [24]

Answer: • 6

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Step-by-step explanation:

8 0
3 years ago
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devlian [24]
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3 years ago
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A Farm raises pigs and chickens. The farmer has a total of 66 animals. One Day he Counts the legs of all his animals and realize
Bogdan [553]

Answer: Pigs = 21

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Step-by-step explanation:

Let the pigs be represented by p

Let the chicken be represented by c.

From the question,

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Simce the farmer has a total of 66 animals, the number of pigs will be:

= 66 - 45

= 21 pigs

4 0
3 years ago
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