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zimovet [89]
3 years ago
10

The mountaineering altitude record is the highest point on Earth reached by a mountain climber. The altitude record is 8848 mete

rs. The record was set by two climbers who reached the summit of Mount Everest. The scuba diving world record is −318.25 meters. What is the total distance spanned by these two world records?

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
6 0
9166.25 meters. adding a negative gives you a positive so 8848+318.25
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andrew-mc [135]

Answer:

15x^4 - 29x^2y^2 - 14y^4.

Step-by-step explanation:

(5x^2 + 2y^2) * (3x^2 - 7y^2)

= 15x^4 + 6x^2y^2 - 35x^2y^2 - 14y^4

= 15x^4 - 29x^2y^2 - 14y^4

= 15x^4 - 29x^2y^2 - 14y^4

Hope this helps!

3 0
3 years ago
The recommended angle for a firefighting ladder is 75 degrees. When a 110-foot ladder is put up against a building at this angle
Sergeeva-Olga [200]

Answer: 114.37 ft

Step-by-step explanation:

If we model this situation as a right triangle, where the hypotenuse is the length of the ladder (110 ft), the opposite leg is the height the ladder will reach h, and the adjacent leg is the distance between the base of the ladder and the building (28 ft); we have two options:

1) Using trigonometric functions, since we are given the angle \theta=75\°

2) Using the Pithagorean Theorem

Any of the options will give a similiar result. So, let's choose the Pithagorean Theorem:

(hypotenuse)^{2}=(opposite-leg)^{2}+(adjacent-leg)^{2}

(110 ft)^{2}=(h)^{2}+(28 ft)^{2}

Isolating h:

h=\sqrt{(110 ft)^{2}-(28 ft)^{2}}

h=106.37 ft

Adding to this height the extra height of 8 ft (since the base of the ladder is at this distance above the ground, perhaps held by a firefighter truck):

h=106.37 ft+8 ft=114.37 ft This is the height the ladder will reach

6 0
3 years ago
Brainpower and 25 points<br><br><br><br> Write 0.812 as a percent.
Vesnalui [34]

Answer:

81.2%

Step-by-step explanation:

Multiply 0.812/100= 81.2%

8 0
3 years ago
Express your answer in scientific notation.<br> 8.8 x 10^7 + 3.1 x 10^8
hodyreva [135]

Answer:

398000000 x

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
Write a system of inequalities using the given graph
ch4aika [34]

Take two points

  • (-2,1)
  • (0,-3)

Slope

  • m=-3-1/0+2=-4/2=-2

Parallel lines so slopes are equal

Only y intercept will vary

So both lines have y intercept at -3 and -1 respectively

The equations

  • y=-2x-3
  • y=-2x-1

Put (0,0) on first one

  • 0>-3

On second one

  • 0>-1

So as lines are dashed symbols remain >

The inequalities are

  • y>-2x-3
  • y>-2x-1
4 0
2 years ago
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