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3 years ago

11

Part A

1 answer:

Alekssandra [29.7K]3 years ago

6 0

Answer:

Step-by-step explanation:

There are several possible outcomes. If your cross section is created by intersecting the cone with a plane parallel to the base of the cone, the cross section is a circle. If the plane is held vertical, the cross section could be a hyperbola. If the intersecting plane is neither vertical nor horizontal, the cross section could be an ellipse.

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Isabella works at Baker's Book company. If she earned a commission of $63.75 on her sales of $850, what was Isabella's rate of c

Westkost [7]

Rate = 63.75/850=.075*100%= 7.5%

7.5% is Isabella's rate of commission.

8 0

3 years ago

If using the method of completing the square to solve the quadratic equation x2 - 6x – 7 = 0, which number would have to be adde

Vanyuwa [196]

Answer:

(-3)^2

Step-by-step explanation:

You add 7 on both sides, giving you x^2 - 6x = 7

Then, take half of b, and square it. Giving you x^2 - 6x +(-3)^2 = 7

The answer will be (-3)^2 for this question, but this is not the full solution.

Hope this helped. Good luck on the rest!

3 0

2 years ago

Evaluate the following:81¾

Olin [163]

Answer:

81 $\frac{3}{4}$

Step-by-step explanation:

Sorry this question does not sense..... 81 $\frac{3}{4}$ is evaluated

maybe I don't understand the terminology

5 0

2 years ago

A tourist looks out from the observation deck of the Space Needle in Seattle. The deck is at a height of 520 ft. She sees her fr

evablogger [386]

Answer:

40 feet

Step-by-step explanation:

Given : The deck is at a height of 520 ft. She sees her friend on the ground below at an angle of depression of 85.6 degrees.

To Find : What is the distance between the two? Round your answer to the nearest tenth of a foot.

Solution :

Refer the attached figure

Height of deck =AB =520 ft.

Angle of depression ∠C = 85.6°

We are supposed to find length of BC i.e. distance between two.

We will use trigonometric ratios :

$tan \theta = \frac{perpendicular}{base}$

$tan 85.6^{\circ} = \frac{AB}{BC}$

$12.99615= \frac{520}{BC}$

$BC= \frac{520}{12.99615}$

$BC= 40$

Thus the distance between two is 40 feet

7 0

2 years ago

Read 2 more answers

If y = -4 when x = 10, find y when x = 5

vesna_86 [32]

To find Y you must divide two by each side, making y=-2
- I hope this helps :)

3 0

3 years ago

Read 2 more answers