Mathematics High School

A fishing boat radioed the Coast Guard for a helicopter to pick up a sick crew member. At the time of the message, the boat is 660 kilometers from the helicopter and heading toward it. The average speed of the boat is 30 kilometers per hour, and the average speed of the helicopter is 300 kilometers per hour. How long will it take the helicopter to reach the boat

Answers

Answer 1
The answer for this question is 6,000

Related Questions

A small bookstore sold between 5 and 8 books each day for 7 days. Tell whether the graph is continuous or discrete.

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Answer:

i think the answer is contionous

In seventh grade, Emile grew 3 9/10cm,and in eight grade he grew 4 2/5cm. How much did his height increase during these two years?

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Answer:

8 3/10 cm

Step-by-step explanation:

Add Emile's 7th and 8th grade growth amounts together:

3 9/10 cm

4 4/10 cm           (This is equivalent to 4 2/5 cm.)

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

 7 13/10 cm, or

 8 3/10 cm

Can someone pls help me with this!!!

Answers

Answer:

Step-by-step explanation:

Convergent:  Two plates are coming together.  This results in one or both edges of the plates to move upwards to form mountains.  If one plate is pushed down while the second is pused up, a deep trench may form (ocean trenches).  Volcanoes and earthquakes may also form along this boundary.  The Pacific "Ring of Fire" is due to convergent plate collisions.

Divergent: Divergent boundaries occur when two plates move away from each other. Earthquakes and volcanoes are common as the growing gap allows magma to comes to the surface.  Iceland is divided between the North American and Eurasian plates and this has produced an ever-widenng gap down the center of the country, which is both a major tourist attraction and a source for volcanic activity and numerous hot spring pools.  One bridge across this gap is known as the "Bridge Between Continents," and is designed to accomodate the Xcm/year stretch as the continents separate even further.

Transform:  Two plates slide past each.  The San Andreas fault is one of the more famous.  Structures, both natural and man-made, that cross a transform boundary can be split into pieces and moved in opposite directions. Rocks along the boundary are pulverized as the plates grind them.  This can result in a linear fault valley or undersea canyon. Earthquakes are common along these faults. Unlike convergent and divergent boundaries, crust is cracked and broken at transform margins, but is not created or destroyed as with convergent and divergent boundaries.

help pls, i will link question with 50 points

Answers

1. Y = 4x-7

2. y = -5/4+ 5

3. Y = -2x + 5

4. Y = 6

5. Y = -2/7x+0

6. Y = -1/2x + 15/2

Freddy bought 3 bags of pebbles to put in his fish tank. Each bag contains 295 pebbles. After he put the right amount of pebbles in his fish tank, he had 104 pebbles left over. How many pebbles did he put in his fish tank?

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295 x 3 = 885

885-104 = 781

781 pebbles

3 please please please help me!

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Answer:

look at the photo....................

Find the equivalent expression using the same bases.
(63 · 83)^9

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6383^9/100^9 is the answer………../……..

Find the distance between the points U(11, -2), V(-1,3)​

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Hopefully this answered your question!

Solve x - (-9) = -14.

-23
23
5
-5

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Answer:

Open the brackets for this,

x + 9 = -14

x = -14 - 9

x = -23.

-23 is the correct option.

-23 is the correct answer

Please answer these and find the slope intercept form for each one.
Best answer gets brainliest!

Answers

1. 5/y=2/3x +3
2. y= 7/1-4
3. y=2/5x8
4. y=-3/4 +1 I could be wrong but I think this is right

Describe and correct the error.
29. |-13|-|13|
=-13-13
=-26

30. -6(x-5)
=-6x-30

Answers

29. The |-13| is actually 13 because it’s in absolute bars. So.. correctly it’s “13-13” which equals 0.

|-13|-|13|
= 13-13
=0

30. The signs are messed up with -6 and -5 that’s all.

-6(x-5)
= -6x+30

Jenna works in an ice cream shop. When she starts her shift the tub of chocolate ice cream is 2/3 full. When she finishes her shift 6 1/2 h later, there is only 1/6 of the tub left. What was the average hourly change in tub fullness?

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0.10

so sorry i couldn't make it a fraction :(

5*95 math question ...................

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Answer:

475

Step-by-step explanation:

the reason for this is because it just is

if m∠2 = 88° then what does m∠4 = ????

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Answer:

176°

Step-by-step explanation:

x²+10+7=0 by completing the square

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Answer:

x=−5+3–√2

x=−5−3–√2

Step-by-step explanation:

(9)
2 in
5 in
Perimeter:
Area:

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Step-by-step explanation:

The area = 2 × 5 = 10

The perimeter = 2(2 + 5) = 14

please give me a brainliest answer

What is the value of x that makes this equation true?
(10 raised to the power of 4) = 10 raised to the power of x

Enter only a number as your answer.

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Answer:

pot0tsafgxxgcgcycguchchcui

When or how do you use them to solve for the answer

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Answer:

a) Δt = vf - vi ÷ a

b) (a × Δt) + vi = vf

can you plz help me with 2 & 4

Answers

The first question is yes are parallel and the second one is no thy are not parallel

I really need help finding the solution!!

Answers

Answer:

-0.5 is not a solution

2 is a solution

Step-by-step explanation:

To check if something is a solution of the equation, you need to substitute the value in place of the variable

15 + 2y = -12 - 4y

15 + 2(-0.5) = -12 - 4(-0.5)

15 - 1 = -12 + 2

14 ≠ -10 ∴ -0.5 is not a solution

5 - 2(3x + 5) = 3 - 10x

5 - 2[3(2) + 5] = 3 - 10(2)

5 - 2(6 + 5) = 3 - 10(2)

5 - 12 - 10 = 3 - 120

-17 = -17 ∴ 2 is a solution

one-third of the sum of x and 2 as an expression ​

Answers

Answer:

[tex]\frac{1}{3}[/tex](x+2)

Step-by-step explanation:

Hope this helps! :)

Step-by-step explanation:

1) Let the number be x.

2) To find one-third of a number, divide the number by 3 ,

3) x÷3.

1² x 1/4m² x (-6)ml find the product
​

Answers

[tex]\\ \sf\longmapsto 1^2\times \dfrac{1}{4}m^2[/tex]

[tex]\\ \sf\longmapsto \dfrac{1}{4}m^2[/tex]

Now

[tex]\\ \sf\longmapsto \dfrac{1}{4}m^2\times -6m[/tex]

[tex]\\ \sf\longmapsto \dfrac{-6}{4}m^3[/tex]

[tex]\\ \sf\longmapsto \dfrac{-3}{2}m^3[/tex]

Select ratios that are equivalent to the following: *
18:54

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Answer:

Equivalent ratios follow:

9:27

3:9

1:3

5:15

2:6

I will mark brainiest plz help

Answers

Answer:

96

Step-by-step explanation:

The length of the large rectangle is: 5 units

The width of the large rectangle is: 7 units

- > Area of the large rectangle = length × width  = 7*5 = 35 square units

The length of the middle rectangle is: 7 units

The width of the middle rectangle is: 4 units

- > Area of the middle rectangle = length × width  = 7*4 = 28 square units

The length of the small rectangle is: 7 units

The width of the small rectangle is: 3 units        

- > Area of the small rectangle = length × width  = 7*3 = 21 square units

Area of top and the bottom triangles =2* 1/2(bh) = 4*3 = 12 square units

Then we find the total surface surface area by adding up all of these  

- > 35 + 28 + 21 + 12 = 96 square units

Which identity or property is used during the first step when solving the equation 5 − 8x = 1/2 (4x − 1)

Answers

Answer: Distributive Property

Step-by-step explanation:

Answer:

Step-by-step explanation:

5-8x=1/2 (4x-1)

5-8x=2x-1/2

10-16x=4x-1

-16x-4x=-1-10

-20x=-11

x=11/20

Factor Completely. (and please show work)
-10x^2 + 3x + 4

Answers

Step-by-step explanation:

=>-10x²+3x+4

=>-10x²-5x+8x+4

=>-5x(2x+1)+4(2x+1)

=>(2x+1)(4-5x)

hope this helps you.

This morning, Sarah's team started at zero and earned 5 points for perfect attendance. The team lost 10 points for disruptive behavior at lunch. Write an addition equation to describe how many points Sarah's team earned. Give the
sum.

Answers

0+5=5
5-10= -5
They started at 0. The team earned 5 points and lost 10. they ended up with -5 points.

How i did? In livada sunt 12 mere am cules 6. Cate mera au ramas?

Answers

Answer:

72

Step-by-step explanation:

12x6=72

HELPPP PLEASEEEEEEEEEEEEEEEEEEEEE

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x=5.....................

the answer is 5
(I did the calculations)

Plsss help me with this question!!!

Answers

There are 27 men in the train car.
69-15=54
54 divided by 2 = 27
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