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jarptica [38.1K]
3 years ago
6

a man falls into a drywall. it is 29 feet deep. he is able to climb out. if he climbs carefully he moves up 3 feet every hour bu

t slides back 2 feet how long does it take for him to climb out of the walls (in hours)?
Mathematics
1 answer:
gavmur [86]3 years ago
6 0
It him takes 29 hours to climb out of the Drywall.
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an aircraft carrier leads port heading due west at 28 knots. A helicopter is 175 nautical miles from the carrier at an angle of
emmainna [20.7K]
Let’s say it takes time t hours for the interception.
In that time the carrier travels 28t nm west and the helicopter 130t nm.
Now we use the sine rule to find the angle x which lies between the distance 175 and 130t.
sin(x)/28t=sin35/130t. So sin(x)=28sin35/130=14sin35/65=0.1235 and x=7.0964 degrees.
Therefore the helicopter should use a bearing of 35+7.0964=42.0964 degrees north of east or 47.9 degrees east of north approx.
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3 years ago
Owen used these steps to solve the equation 4x+7=1+2(2x+3). Which choice describes the meaning of his result, 7=7?
ivanzaharov [21]

Answer:

Option D. All values of x make the equation true

Step-by-step explanation:

<u><em>The options of the question are</em></u>

a.The result is not correct because Step 2 has an error.

b.The solution is x=7.

c.No values of x make the equation true.

d.All values of x make the equation true

we have the equation

4x+7=1+2(2x+3)

solve for x

Apply distributive property right side

4x+7=1+4x+6

Combine like terms

4x+7=4x+7

subtract 4x both sides

7=7

The equation has infinity solutions

.All values of x make the equation true

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3 years ago
Which of the following graphs represents the equation y-2=3(x-1)
almond37 [142]

there are no graphs but the equation is y=3x-1

5 0
4 years ago
Can someone please answer this
vlada-n [284]

Answer: 292

Step-by-step explanation: because you have to add every angle on the shape even the ones you cant see

3 0
3 years ago
Ms. Sunshine is going to bake cookies for her students. She wants each student to receive 2.5 cookies. If she has 25 students in
adell [148]

Answer:

Ms. Sunshine needs to make 62.5 cookies.

Step-by-step explanation:

25 * 2.5 = 62.5

4 0
3 years ago
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