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3 years ago

13

Kathy's science book is 1 1/6 inches thick. Her reading book is 1 3/8 inches thick. How much thicker is her reading book than he

r science book? (I WILL MARK THE BRANLIEST ANSWER) Please, include an explanation as well! <3

1 answer:

horsena [70]3 years ago

4 0

Answer:

5/8+1/6= 19/24

24/24-19/24= 5/24

5/24 of her money is left

Step-by-step explanation:

Step-by-step explanation: 5/8 =30/48 + the 8/48 she spent = 38/48 .... 48/48 - 38/48= 10/48. that simplifies to 5/24

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Which of the following expression represents x being tripled and then increased by 20%.

Leni [432]

Answer:

2) 3x+0.6x

Step-by-step explanation:

<u>Expression represents x being tripled:</u>

x*3 = 3x

<u>Then increased by 20%:</u>

3x + 20% =
3x + 20*3x/100 =
3x + 0.6x

Correct choice is 2

6 0

2 years ago

In how many year the interest will became equal to the principal is rs.1200 is deposited at the rate of 25% in a bank

mrs_skeptik [129]

Given:

Principal = Rs. 1200

Rate of interest = 25%

To find:

The time in which the interest will became equal to the principal.

Solution:

We have,

$P=1200$

$r=\dfrac{25}{100}$

$r=0.25$

If interest is equal to the principal, then

$Amount=Principal+Interest$

$Amount=1200+1200$

$Amount=2400$

The formula for amount is:

$A=P\left(1+r)^n$

Substituting $A=2400, P=1200, r=0.25$ in the above formula, we get

$2400=1200(1+0.25)^n$

$\dfrac{2400}{1200}=(1.25)^n$

$2=(1.25)^n$

Taking log on both sides, we get

$\log2=\log(1.25)^n$

$\log2=n\log(1.25)$ $[\because \log a^b=b\log a]$

$\dfrac{\log2}{\log(1.25)}=n$

$n\approx 3.11$

Therefore, the interest will became equal to the principal in about 3.11 years.

4 0

2 years ago

Jake is 2 5 25 years old. Next year, he'll be 2 6 26 years old. What is the percentage increase in Jake's age from last year?

kramer

Answer:

4%

Step-by-step explanation:

We have been given that Jake is 25 years old. Next year, he'll be 26 years old.

To find the percentage increase in Jake's age from last year, we will use percentage decrease formula as our original value is less than new value.

$\text{Percentage decrease}=\frac{\text{Original-New}}{\text{Original}}*100$

Now let us substitute our given values in above formula.

$\text{Percentage decrease in Jake's age from last year}=\frac{25-26}{25}*100$

$\text{Percentage decrease in Jake's age from last year}=\frac{-1}{25}*100$

$\text{Percentage decrease in Jake's age from last year}=-1*4=-4$

Since our answer is a negative number then this is a percentage increase.

Therefore, there is 4% increase in Jake's age from last year.

7 0

3 years ago

Read 2 more answers

A puzzle piece in the shape of a triangle has perimeter 25 centimeters. Two sides of the triangle are each twice as long as the

Anestetic [448]

Answer: the shortest side is 10 centimeters.

The length of each of the other sides is 10 centimeters each.

Step-by-step explanation:

Let x represent the length of the shortest side of the triangle.

Two sides of the triangle are each twice as long as the shortest side. This means that the length of the two sides would be 2x.

The perimeter of a triangle is the sum of each side of the triangle.

The puzzle piece in the shape of a triangle has perimeter 25 centimeters. This means that

x + 2x + 2x = 25

5x = 25

x = 25/5

x = 5

The length of each of the two sides is

2x = 2 × 5 = 10

3 0

3 years ago

A baker has 88 muffins. He fills large boxes that hold 9 muffins each.Then, he puts the leftover muffins in a small box. How man

V125BC [204]

Answer:

7

Step-by-step explanation:

6 0

3 years ago