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kykrilka [37]
3 years ago
13

All angles below are right angles. What is the area of the figure?

Mathematics
1 answer:
disa [49]3 years ago
5 0
The correct answer is 36
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Is 4/5 an integer? pls help
lesya692 [45]

Answer:

Answer and Explanation

Step-by-step explanation:

The fraction 4/5 is a rational number. Rational numbers result when one integer is divided by another. both four and five are integers.

8 0
3 years ago
A number increased by 5 is two times the number
marin [14]
Let x be the number. x + 5 = 2x. 5 = x because you isolate for x by moving it to the right side, meaning you’d have to subtracts 1 x from 2x
8 0
3 years ago
a train travels 288km at a uniform speed.if the speed has been 4km per hour more it would have taken one hour less for the same
Lostsunrise [7]

Given:

A train travels 288 km at a uniform speed.

If the speed has been 4 km per hour more it would have taken one hour less for the same journey.

To find:

The initial speed of the train.

Solution:

Let x km/h be the initial speed on the train.

New speed of train = (x+4) km/h

We know that,

Time=\dfrac{Distance}{Speed}

Time taken by the train initially to cover 288 km is \dfrac{288}{x} hours.

New time taken by the train to cover 288 km is \dfrac{288}{x+4} hours.

It is given that If the speed has been 4 km per hour more it would have taken one hour less for the same journey.

\dfrac{288}{x}-\dfrac{288}{x+4}=1

\dfrac{288(x+4)-288x}{x(x+4)}=1

288x+1152-288x=x^2+4x

1152=x^2+4x

0=x^2+4x-1152

Splitting the middle term, we get

x^2+36x-32x-1152=0

x(x+36)-32(x+36)=0

(x+36)(x-32)=0

x=-36,32

We know that the speed cannot be negative. So, the only possible value of x is 32.

Therefore, the speed of the train is 32 km/h.

3 0
2 years ago
52 is 130% of what number
Westkost [7]
52 divided by 130 would be 0.4 so if you need it in percent then it would be 4%.

6 0
3 years ago
Read 2 more answers
Please help me in this math problem I need help at thin pleas and thank you
omeli [17]

Answer:

See attachment for answers

Step-by-step explanation:

6 0
3 years ago
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