A glacier advances toward the sea 0.004 mile anually. In 2010 the front of the glacier is 6.9 miles from the mouth of the sea. How far will it be from the sea in 2030.By the way if it helps, were learning how to identify hidden problems in multiple-step problems.. So its a multiple step problem, I really don't understand this so some help will really be appreciated.

Answers

Answer 1

Answer:
You know where the glacier is now, and how far it moves in
one year. The question is asking how close to the sea it will be
after many years.

Step-1 ... you have to find out how many years

Step-2 ... you have to figure out how far it moves in that many years

Step-3 ... you have to figure out where it is after it moves that far

The first time I worked this problem, I left out the most important
step ...READ the problem carefully and make SURE you know
the real question. The first time I worked the problem, I thought
I was done after Step-2.

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

Step-1: How many years is it from 2010 to 2030 ?

   (2030 - 2010) = 20 years .

Step-2: How far will the glacier move in 20 years ?

   It moves 0.004 mile in 1 year.

    In 20 years, it moves 0.004 mile 20 times

    0.004 x 20 = 0.08 mile

Step-3:How far will it be from the sea after all those years ?

In 2010, when we started watching it, it was 6.9 miles
      from the sea.

      The glacier moves toward the sea.
   In 20 years, it will be 0.08 mile closer to the sea.
   How close will it be ?

       6.9 miles - 0.08 mile = 6.82 miles (if it doesn't melt)

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A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced, then a second marble is drawnA. What is the probability of selecting a purple marble and then a white marble?
B. What is the probability of selecting 2 white marbles?
C. Is there a greater chance of selecting 2 white marbles in a row or 2 purple marbles in a row? Show your work!

Hallie is trying to win the grand prize on a game show. Should she try her luck by spinning a wheel with 6 equal sections labeled from 1 to 6 and hope she gets a 5, or should she roll two number cubes and hope she gets the same number on both cubes. Show your work?

Answers

A. likely

B. unlikely

C. There is a greater chance in picking to purple marbles because there are less of the white and more purple.

Hallie should spin the wheel because u have a greater chance of landing on a 5 then rolling two number cubes and hoping both number cubes come to equal 5.

two white marbles: probability first is white is \frac{2}{9} probability second is white given that the first is white is \frac{1}{8} again probability both happen is \frac{2}{9}\times \frac{1}{8}

Hope this helps.

What is equivalent to: 2(4x-5)

Answers

This answer would be 8x-10

Is 3/4 bigger than 3/5

Answers

Yes, 3/4 is bigger than 3/5.
One way you can verify this is by drawing a bar model, and cut it into four. Color in three pieces.
Then, draw another bar model the same size as the first one, and cut it into five pieces.
Color in three pieces.
You can see that 3/4 has more shaded in area than 3/5.
Another way you can do this is by dividing the numerator by the denominator for both fractions.
Hope this helped.

yes 3\4 is bigger because it equals 75% and 3\5 is smaller because it equals 60%

If 5% of the total ticket sale is 125 what is the value of the total ticket sales

Answers

Answer:

The total ticket sale value is 2500 because 5% is 1/20 of the total amount, so to find the total value of ticaket sales you multiply by 20 to get the total value of 2500.

Step-by-step explanation:

Answer:

2500

Step-by-step explanation:

to make a shade of lavender paint jon mixes 4 ounces of red tint and 28 ounces of blue tint into one gallon of white paint. if 20 gallons of white paint and 80 ounces of red tint are used, how much blue tint should be added?

Answers

For one gallon of white paint, 28 ounces of blue tint are used. Since we use 20 gallons of white paint, multiply 28 by 20.
28 x 20 = 560
You need to use 560 ounces of blue tint for 20 gallons of white paint.

4+20=24+28=52+80=132
(hope I helped)

What does 4x + 2y equal?

Answers

the only way I find is

2(2x+y)

if you use the distributive property you will notice that

4x+2y is equal to 2(2x+y)

that's the only way I found

I hope is the answer that you are looking for.

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