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expeople1 [14]
3 years ago
8

Simplify the following:

Mathematics
1 answer:
aivan3 [116]3 years ago
6 0

Answer:

A

Step-by-step explanation:

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I think it’s c but I need help
Oksana_A [137]

Answer:

x = 12

Step-by-step explanation:

In a right triangle (a triangle that has a ninety degree angle in it) the the square of the side opposite the right angle is always equal to the sum of the squares of the other two sides. Therefore, we can use the information we are given to figure out the missing side:

15^2=225\\9^2=81\\225-81=144\\\sqrt[2]{144}=12

4 0
2 years ago
Read 2 more answers
Angle W and angle X are congruent. If their sum is 121 degrees, what is the measure of angle X?
Nimfa-mama [501]
< W and < X are congruent....so they are equal.....so if their sum is 121....just divide by 2 for ur answer

121/2 = 60.5.....so < W = 60.5 and < X = 60.5
5 0
3 years ago
Factorise x^2/4-y^2/4​
Nuetrik [128]

Answer:

\large\boxed{\left(\dfrac{x}{2}-\dfrac{y}{2}\right)\left(\dfrac{x}{2}+\dfrac{y}{2}\right)=\dfrac{x-y}{2}\cdot\dfrac{x+y}{2}}

Step-by-step explanation:

\dfrac{x^2}{4}-\dfrac{y^2}{4}=\dfrac{x^2}{2^2}-\dfrac{y^2}{2^2}\qquad\text{use}\ \left(\dfrac{a}{b}\right)^n=\dfrac{a^n}{b^n}\\\\=\left(\dfrac{x}{2}\right)^2-\left(\dfrac{y}{2}\right)^2\qquad\text{use}\ (a-b)(a+b)=a^2-b^2\\\\=\left(\dfrac{x}{2}-\dfrac{y}{2}\right)\left(\dfrac{x}{2}+\dfrac{y}{2}\right)=\dfrac{x-y}{2}\cdot\dfrac{x+y}{2}

3 0
3 years ago
Which angles are corresponding angles with angle 8?
Basile [38]

Answer:

<4 and <8

Step-by-step explanation:

Corresponding angles are at the same part of the intersection of

8 and 12 are corresponding angles

8 and 4 are corresponding angles

7 0
3 years ago
Read 2 more answers
What is this plz help
MissTica
It’s weird. that’s what it is
8 0
2 years ago
Read 2 more answers
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