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Temka [501]
3 years ago
5

Which statements are always true? Check all that apply.

Mathematics
2 answers:
Ann [662]3 years ago
8 0

Answer:

A rectangle has four right angles, A triangle has 3 sides, A square has 4 equal sides

Step-by-step explanation:

mamaluj [8]3 years ago
4 0

A rectangle has four right angles, A triangle has 3 sides, A square has 4 equal sides

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Solve the following system of equations algebraically<br> 3x-y=0<br> 5x+2y=22
Lyrx [107]

3x  -  y  = 0     ⇒   2(3x  -  y  = 0 )   ⇒   6x - 2y = 0

5x + 2y = 22  ⇒   1(5x + 2y = 22)   ⇒   <u>5x + 2y</u> = <u>22 </u>

                                                              11x         = 22

                                                                x          = 2

3x  -  y  = 0   ⇒   3(2) - y = 0   ⇒   6 - y = 0   ⇒   6 = y

Answer: x=2, y=6

3 0
3 years ago
Please answer. QUICK!
sveta [45]

Answer:

12

Step-by-step explanation:

In finding possible outcomes just multiply how much in this case it would be 2 times 6.... Good luck on the test hope this helped

3 0
3 years ago
Read 2 more answers
All the correct answers please
poizon [28]

B, A, D is the answer

3 0
3 years ago
What is the length of AC?
Elan Coil [88]

well, the triangle is an isosceles, so it twin sides, and the twin sides make twin angles, as we see by the tickmarks on A and C, meaning AB = BC.

\bf x+4=3x-8\implies 4=2x-8\implies 12=2x\implies \cfrac{12}{2}=x\implies 6=x \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ AC\implies x+4\implies 6+4\implies 10

6 0
3 years ago
Read 2 more answers
Complete the square to form a perfect square trinomial x^2-14x+
fiasKO [112]
Answer: x^2 - 14x + 49

Explanation:

1) Divide the coefficient of x by 2:

14 / 2 = 7

2) so you have to add 7^2 = 49

x^2 - 14x + 49

3) that trinomial is equivalent to:

=> (x - 7)^2

4) prove that using the formula (a - b)^2 = a^2 - 2ab + b^2

(x - 7)^2  = x^2 - 14x + 49

Then you have to add 49 to complete the square. and form a perfect square trinomial.
7 0
3 years ago
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