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saw5 [17]
3 years ago
9

I need help asap please

Mathematics
1 answer:
coldgirl [10]3 years ago
5 0

Answer:

the second one, \sqrt[7]{81} is right

Step-by-step explanation:

when you see something like this, you can take the denominator  of the fraction and put it outside the root, so it becomes a seventh root, and the number inside the root is then raised to the power of to numerator of the fraction. 3^4 = 81

sorry if i explained that bad :)

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Use the diagram on the right. How many planes contain both the line and the point
Aloiza [94]

Part (a)

<h3>Answer: 0</h3>

-------------------

Explanation:

Point P is part of 3 planes or faces of this triangular prism:

  • plane PEF (the front slanted plane)
  • plane PEH (the left triangular face)
  • plane PHG (the back rectangular wall)

Notice how each three letter sequence involves "P", though this isn't technically always necessary. I did so to emphasize how point P is involved with these planes.

Each of the three planes mentioned do not involve line FG

  • Plane PEF only deals with point F
  • Plane PEH doesn't have any of F or G involved
  • plane PHG only involves G

So there are no planes that contain line FG and point P.

==================================================

Part (b)

<h3>Answer: 0</h3>

-------------------

Explanation:

It's the same idea as part (a) earlier. The planes involving point G are

  • plane GQF  (triangular face on the right)
  • plane GFE (bottom rectangular floor)
  • plane GHP (back rectangular wall)

None of these planes have line EP going through them.

As an alternative, we could reverse things and focus on all of the planes connected to line EP. Those 2 planes are

  • plane PEH (triangular face on the left)
  • plane PEF (front slanted rectangular face)

None of these planes have point G located in them.

8 0
3 years ago
If AM = 7, MB = 6, and CM = 8, find CD.
geniusboy [140]
What kind of shape is it

3 0
3 years ago
Gerry arrived at the bus stop x hours past noon. Dale arrived 4 hours later. Pat arrived at 5 P.M., x hours after Dale.
victus00 [196]

Answer:

<em>Gerry arrived at the bus station at 12:30 P.M.</em>

Step-by-step explanation:

From noon and 5:00 P.M. there are 5 hours.

Gerry, Dale, and Pat arrived at the bus stop within that interval, which means the sum of the times elapsed between their arrival times must be 5.

4 out of the 5 hours elapsed since Gerry and Dale's arrivals. This means there is only one hour left for twice x.

If twice x is one hour, then x is half an hour. Thus, the complete sequence of arrivals is:

Gerry arrived at the bus station at 12:30 P.M.

Dale arrived at the bus station at 4:30 P.M.

Pat arrived at the bus station at 5:00 P.M.

8 0
3 years ago
A submarine that is 245 feet below sea level descends 83 feet and then ascends 103 feet. Which represents the location of the su
cupoosta [38]

Answer: 245-83+103= 265 so it would be negtive 265

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
find zeros and y intercept and describe the end behavior in proper notation. then sketch the graph. 3x^3+2x^2-12x-8
Evgen [1.6K]

Answer: The zeros of the given equation are 2, -2 and -0.667. The y-intercept of the graph is f(0) = -8.

Explanation:

The given expression is,

f(x)=3x^3+2x^2-12x-8

To find zeros put f(x)=0

3x^3+2x^2-12x-8=0

This equation is satisfied by x=2, so (x-2) is the factor of the given equation. By synthetic division or long division we can find the remaining factor.

(x-2)(3x^2+8x+4)=0

Use Factoring method.

(x-2)(3x^2+6x+2x+4)=0

(x-2)(3x(x+2)+2(x+2)=0

(x-2)(3x+2)(x+2)=0

Equate each factor equal to zero by using zero product property.

So the zeros of the given equation are 2, -2 and -0.667.

To find the y-intercept of the graph, put x=0.

f(0)=3(0)^3+2(0)^2-12(0)-8

f(0)=-8

So the y-intercept of the graph is f(0) = -8.

Since the higher degree is 3 , which is odd and the coefficient of higher degree is positive, therefore the ead behavior is defined as,

f(x)\rightarrow \infty \text{ as }\rightarrow \infty\\f(x)\rightarrow -\infty \text{ as }\rightarrow -\infty

It means as x decreases unboundedly then the function decreases unboundedly. similarly x increases unboundedly then the function increases unboundedly.

5 0
4 years ago
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