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anastassius [24]
3 years ago
5

Which of the following is not true about a square?

Mathematics
2 answers:
Kisachek [45]3 years ago
8 0
The first statement is false. A square DOES have 4 right angles.
anygoal [31]3 years ago
4 0
The answer is .A because squares can do have right angles
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What are the x-intercepts of y=x^2+2x-15
Sedbober [7]

Answer:

(-5,0) and (3,0)

Step-by-step explanation:

Think about it.

What two numbers multiply to -15 and add up to 2?

The answers are 5 and -3.

So plug that into the factored form of a parabola.

y=(x+5)(x-3)

To find the x-intercepts, plug in 0 for y.

(x+5)(x-3)=0

Since we are multiplying, at least one of the terms has to equal 0.

x+5=0 \\ x-3=0 \\ \\ x=-5,3

So the x-intercepts are (-5,0) and (3,0).

8 0
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3 years ago
What is the equation of a line that goes through the point
HACTEHA [7]
Point = (0, 56)
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This is where you would use point slope.
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y - 56 = x
y = x + 56

Answer is A.
8 0
3 years ago
The kinetic energy (in joules ) of a moving object can be calculated from the expression 1/2mv to the second power, where m is t
yulyashka [42]

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E = 1/2 (0.145) (40)^2

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7 0
3 years ago
(8.41 x 10 to the fourth) + (9.71 x 10 to the fourth)
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