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3 years ago

Choose the correct answer.1. Choose the two figures that arecongruentABCD

Mathematics

2 answers:

Volgvan3 years ago

6 0

What are the questions

ra1l [238]3 years ago

3 0

Where is the photo? to answer it

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Pratap puri rowed 10 miles down a river in 2 hours, but the return trip took him 2 and one half hours. Find the rate pratap can

N76 [4]

Answer:

Rate of Pratap in still water is 4.5 miles/hour and rate of current is 0.5 miles/hour.

Step-by-step explanation:

Pratap Puri rowed 10 miles down a river in 2 hours, but the return trip took him 2.5 hours.

We know that, $Speed = \frac{Distance}{Time}$

So, the speed of Pratap with the current will be: $(\frac{10}{2})miles/hour = 5$ miles/hour

and the speed of Pratap against the current will be: $(\frac{10}{2.5})miles/hour = 4$ miles/hour.

Suppose, the rate of Pratap in still water is $x$ and the rate of current is $y$ .

So, the equations will be........

$x+y= 5 .............................. (1)\\ \\ x-y=4 .............................. (2)$

Adding equation (1) and (2) , we will get......

$2x=9\\ \\ x=\frac{9}{2}= 4.5$

Now, plugging this $x=4.5$ into equation (1), we will get.....

$4.5+y=5\\ \\ y=5-4.5 =0.5$

Thus, Pratap can row at 4.5 miles per hour in still water and the rate of the current is 0.5 miles/hour.

6 0

3 years ago

The vertex of the function’s graph is given. Find c. y = x2 + 10x + c; (-5, -27)

castortr0y [4]

Actually I didn't see the (-5, -27), the answer would be -2.

5 0

3 years ago

Laura spends 23 of her vacation in Texas and the remaining 9 days in Florida.

QveST [7]

She spends 14 days in Texas

4 0

3 years ago

What is the length of the dotted line in the diagram below? Leave your answer in simplest radical form.

Pachacha [2.7K]

Answer:

$\sqrt{93}$

Step-by-step explanation:

8^2+5^2=c^2

64+25=c^2

89=c^2

c= $\sqrt{89}$ <-- this is the length of the rectangle at the bottom

2^2+( $\sqrt{89}$ )^2=c^2

4+89=c^2

c= $\sqrt{93}$ <-- length of dotted line (diagonal)

6 0

2 years ago

Read 2 more answers

a ladder that is 20 feet long is leaning against the side of a building if the angle formed between the ladder and the ground is

Mademuasel [1]

Answer:

Step-by-step explanation:

Take 20( cosine of 75 degrees)

the answer is 5 ft

8 0

3 years ago

Read 2 more answers

Choose the correct answer.1. Choose the two figures that arecongruentABCD​

Choose the correct answer.1. Choose the two figures that arecongruentABCD