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8090 [49]
3 years ago
9

Please I need help with that

Mathematics
1 answer:
nalin [4]3 years ago
4 0

The plane is P, the point of intersection is X, and the hash marks all indicate X is the midpoint of the line segments that go through x. The appropriate choice is the second one.

_____

The first choice makes no sense, as there are no right angles shown.

The third choice makes no sense, as the plane is P, not X.

The fourth choice is cut off, but is obviously incorrect, too.

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Simplify eighth root of y squared
NARA [144]

Answer:

<u>The simplified expression is y raised to the 2/8 power</u>

Step-by-step explanation:

Let's recall that one of the properties of fractional exponents is:

x ^ a/b = ᵇ√x ᵃ

​​ therefore,

⁸√y² = y ^2/8

<u>The simplified expression is y raised to the 2/8 power</u>

​

​​

5 0
3 years ago
Solve for x:<br> 2(3x + 4) + 2 = 4 + 3x
Inga [223]

Answer:

-2 is the answer!!!!hope this helps

5 0
3 years ago
At time t ≥ 0, the velocity of a body moving along the s-axis is v = t² -5t +4. When is the body moving backwards
katovenus [111]

Answer:

A

Step-by-step explanation:

The velocity of a moving body is given by the equation:

v=t^2-5t+4 ,\, t\geq0

Is the velocity is <em>positive </em>(v>0), then our object will be moving <em>forwards</em>.

And if the velocity is negative (v<0), then our object will be moving <em>backwards</em>.

We want to find between which interval(s) is the object moving backwards. Hence, the second condition. Therefore:

v

By substitution:

t^2-5t+4

Solve. To do so, we can first solve for <em>t</em> and then test values. By factoring:

(t-4)(t-1)=0

Zero Product Property:

t=1, \text{ and } t=4

Now, by testing values for t<1, 1<t<4, and t>4, we see that:

v(0)=4>0,\, v(2)=-20

So, the (only) interval for which <em>v</em> is <0 is the second interval: 1<t<4.

Hence, our answer is A.

7 0
3 years ago
Question : WHICH OF THE LINES IS PARALLEL ? HOW DO YOU KNOW ? ​
aleksandr82 [10.1K]

Answer:

B and R

I think that is the name of the lines. If not the the first two lines!!!!

8 0
3 years ago
What is the sign of the product (3)(–3)(–2)(4)
serious [3.7K]

Answer:

72

Step-by-step explanation:

brainliest please

7 0
3 years ago
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