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valina [46]
4 years ago
10

Potty pooper read a 90-Page book in 6 days it he keeps reading at that rate how long will it take him to read a 300- page book?

Mathematics
2 answers:
quester [9]4 years ago
8 0
The answer is 20 days.
Here's why:
We already know that potty reads a 90- page book in 6 days , we want to find how long it takes him/her to read a 300- page book.
Let's make a proportion:
90/300 6/x
X represents the total of days .
90 times x=90x
300 times 6=1800
1800 divided by 90x= 20
X= 20
DochEvi [55]4 years ago
4 0
90/6=15 so he read 15 pages a day. 300/15=20 so he would read a 300 page book in 20 days :)
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What happens to the volume of a cube if the length of an edge is doubled?
Sveta_85 [38]
It is multiplied by 8
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Read 2 more answers
Suppose that you have ​$11 comma 000
Vlada [557]

Answer:

The financial advisor is not using percentage properly.

Percentage loss=2%

Step-by-step explanation:

original amount invested=$11000

By the end of the first year, there was a decrease by 30% over the original amount.

This implies that the amount invested at after the end of the first year or at the beginning of the second year

=  \frac{70}{100} \times 11000

=$7,700

This amount has increased by 40%

=  \frac{140}{100} \times7700

=$10,780

The financial advisor is not using percentage properly.

This is because the decrease was on the original amount meanwhile the increase was not on the original amount. The increase was rather on an amount less than the original amount .

Since the original amount invested is greater than the amount at the end of the second year, there was a loss

Hence percentage loss

=\frac{11000 - 10780}{1100} \times 100\%

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5 0
3 years ago
An airplane leaves an airport and flies due west 150 miles and then 170 miles in the direction S 49.17°W. How far is the plane f
Ganezh [65]

Answer:

299.99 miles

Step-by-step explanation:

Since the plane traveled due west,

The total angle is 49.17 + 90

Represent that with θ

θ = 49.17 + 90

θ = 139.17.

Represent the sides as

A = 170

B = 150

C = unknown

Since, θ is opposite side C, side C can be calculated using cosine formula as;

C² = A² + B² - 2ABCosθ

Substitute values for A, B and θ

C² = 150² + 170² - 2 * 150 * 170 * Cos 139.17

C² = 22500 + 28900 - 51000 * Cos 139.17

C² = 51400 - 51000 (−0.7567)

C² = 51400 + 38,591.7

C² = 89,991.7

Take Square Root of both sides

C = 299.9861663477167

C = 299.99 miles (Approximated)

Hence, the distance between the plane and the airport is 299.99 miles

8 0
4 years ago
Someone plz help meee
coldgirl [10]

Answer:

The second one

Step-by-step explanation:

7 0
4 years ago
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