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disa [49]
3 years ago
8

A motorboat travels 120 miles in 4 hours going upstream. It travels 192 miles going downstream in the same amount of time. What

is the rate of the boat in still water and what is the rate of the current?
Mathematics
1 answer:
NemiM [27]3 years ago
4 0

Answer:316

Step-by-step explanation:

I just solved it by adding it

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Plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
makkiz [27]

Answer:

9a + 6b and 5c - 3d

Step-by-step explanation:

(a)

4a + 7b + 5a - b ← collect like terms

= (4a + 5a) + (7b - b)

= 9a + 6b

(b)

6c + 4d - c - 7d ← collect like terms

= (6c - c) + (4d - 7d)

= 5c - 3d

3 0
3 years ago
Read 2 more answers
Can someone help me out ASAP and possible step by step
OlgaM077 [116]

Answer:

  49°

Step-by-step explanation:

The given information that BC=DC tells you triangle BCD is an isosceles triangle and that angle y is one of the two equal base angles. Then ...

  y + y + 82 = 180 . . . . . the sum of angle measures is 180 degrees

  2y = 98 . . . . subtract 82

  y = 49 . . . . . divide by 2

The measure of y is 49°.

8 0
3 years ago
2. Us i ng the filled table above,
VARVARA [1.3K]

The price elasticity of demand of the pen will be -0.2.

<h3>How to compute the elasticity?</h3>

The demand and supply schedule will be:

Price Qd. Qs

$10. 250. 100

$20. 200. 90

$30. 180. 80

The price elasticity of demand from $1 to $2 will be:

= Percentage change in quantity demanded/percentage change in price

Percentage change in quantity demanded will be:

= (200 - 250)/250 × 100

= -20%

Percentage change in price will be:

= (20 - 10)/10 × 100

= 100%

Therefore, the elasticity of demand will be:

= -20/100

= - 0.2

The value gotten illustrates an inelastic demand.

In order to increase the total revenue, the price can be reduced as it will lead to more sales.

Learn more about PED on:

brainly.com/question/21105870

#SPJ1

<u>Complete question:</u>

Choose any product or service. Create the demand and supply schedule.

Calculate just one PED.

Is the demand elastic or inelastic?

What price change would you recommend to increase TR?

8 0
2 years ago
Jack is in charge of road construction crew. The crew must complete 6/7 of a mile of the road by the end of the day. By noon the
Crazy boy [7]
3/7? I’m not positive on this, it’s very straightforward but i mean 6/7 - 3/7 = 3/7 so i’m going with that
5 0
3 years ago
Americans consume about 13,150,000,000 gallons of carbonated drinks each year. Express this number in scientific notation.
ExtremeBDS [4]

It would be 1.315 × 10¹⁰.

8 0
3 years ago
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