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4 years ago

What’s the area of the rhombus?

Mathematics

1 answer:

miskamm [114]4 years ago

4 0

Answer:

65ft² i guess

Step-by-step explanation:

using area of rombus diagonal=½*d1*d2

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a motorboat travels 371 kilometers in 7 hours going upstream. it travels 525 kilometers going downstream in the same amount of t

e-lub [12.9K]

Answer:

Speed of boat in still water = 64 km/hr

Speed of the current = 11 km/hr

Step-by-step explanation:

Let the speed of motorboat in still water = x km/hr

Let the speed of current = y km/hr

Motorboat travels 371 km in 7 hours going upstream.

Speed of motorboat while going upstream = speed of motorboat in still water - speed of current = (x-y)

=> $x-y = \frac{371}{7}$

=> $x-y = 53$ ------------------------------(1)

Motorboat travels 525 km in 7 hours going downstream.

Speed of motorboat while going downstream = speed of motorboat in still water + speed of current = (x+y)

=> $x+y = \frac{525}{7}$

=> $x+y = 75$ -----------------------------(2)

Solving for x and y from (1) and (2):

Adding (1) and (2):

2x = 128

=> x = 64

Substituting the value of x in (1), y = 11

6 0

3 years ago

Your job is to design a open topped, rectangular box of minimum cost. Suppose the box is to be of volume cubic cm; and the cost

sattari [20]

You would pay 24 dollars and the box would be 24 cubic feet.

3 0

3 years ago

The population of a city was 572,000 in 2010. In the 2000 census the population was 607,000. What was the rate of decrease of th

kramer

Answer:

Step-by-step explanation:

<em>To solve this you need to subtract 607000 by 572000 to see how many people in the population decreased.</em>

607,000- 572,000= 35,000

Then you put 35,000 over 607,000

also you need x over 100

35000/607,000 x/100

Then do cross product property

35,000*100=3,500,000

607,000* x= 607,000x

3,500,000= 607,000x

Then do 3,500,000 divided by 607,000

You get 5.76%

Round to the nearest percent and get 6%

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3 years ago

The red crewmate is dilated with the origin as the center of dilation to create the new red crewmate. Which rule best represents

Anvisha [2.4K]

Answer:

Step-by-step explanation:

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3 years ago

Solve by SQUARE ROOTS<br> (x + 15)2 = 54<br> =

liq [111]

X equals to 12, because 12 plus 15 equals 27, then 27 times 2 equals to 54

4 0

4 years ago