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3 years ago

John read 10 books in 12 months. What was his rate of reading in months per book?

2 answers:

5 0

To find out John’s rate per month you divide the number of books by the number of months. (10 divided by 12) The decimal form is 0.8333- and the fraction form is 5/6

NARA [144]3 years ago

4 0

Answer:

12/10

Step-by-step explanation:

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Jeff is buying apples and bananas from the farmer's market. He know that to find his total cost he will use the expression 1.25a

yan [13]

Answer: 8.00

Step-by-step explanation:

1.25a=3 0.50=5 so the answer is D, 8.00

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3 years ago

The sides of a triangle have lengths of x, x + 5, and 25. If the longest side is 25, which of the following values of x would ma

Amiraneli [1.4K]

In a right angle, the sum of the squares of the two shorter sides is equal to the square of the longest side.
Here, the longest side is 25, the shorter sides are x and x+5.

$x^2+(x+5)^2=25^2 \\
x^2+x^2+10x+25=625 \\
2x^2+10x+25=625 \ \ \ |-625 \\
2x^2+10x-600=0 \ \ \ |\div 2 \\
x^2+5x-300=0 \\
x^2+20x-15x-300=0 \\
x(x+20)-15(x+20)=0 \\
(x-15)(x+20)=0 \\
x-15=0 \ \lor \ x+20=0 \\
x=15 \ \lor \ x=-20
$

The length of a side must be a positive number, so x=15.
The answer is C.

6 0

3 years ago

The diameter of a dime is seven hundred five thousandths of an inch

muminat

7.9 millimeters (0.705 inch) in diameter. So yes it is.

6 0

3 years ago

Find fraction between 3/2 and 1/34

Salsk061 [2.6K]

The average of any two numbers lies between those two numbers:

$\dfrac{\frac32+\frac1{34}}2=\dfrac{\frac{51}{34}+\frac1{34}}2=\dfrac{\frac{52}{34}}2=\dfrac{26}{34}=\boxed{\dfrac{13}{17}}$

3 0

3 years ago

Lena will use 7 cups of apples to make 4 batches of applesauc. Which expression shows the number of cups of apples in each batch

astraxan [27]

Answer: 1 3/4 cups of apples in each batch

Step-by-step explanation:

STEP 1

Writing out the equation to represent if 7 cups of apples make 4 batches One batch is as a result of how many cups of apples

LET x be number of cups of apples to make each batch

7 cups of apples = 4 Batches

x cups of apples = 1 Batch

STEP 2 Solving by cross multiplication

1 batch x 7 cups of apples = 4 batches X x cups of apples

x cups of apples=1 batch x 7 cups of apples / 4batches

x = 7 / 4 = 1 3/4

number of cups of apples to make each batch= 1 3/4

8 0

3 years ago

John read 10 books in 12 months. What was his rate of reading in months per book?​

John read 10 books in 12 months. What was his rate of reading in months per book?