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11111nata11111 [884]
3 years ago
9

How complex fractions can be used to solve problems involving ratios

Mathematics
1 answer:
jolli1 [7]3 years ago
6 0
You can use it by writing out the complex into a division problem then improper fraction
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Sam's dad gave him $30 for washing their car. He used the money to buy a basketball for $7.50 and three sports drinks for $2.75
Inga [223]

Answer:

Basketball + Sports Drink

$7.50 + $2.75 = $10.25

$10.25 + ? + $13 = $30

30 - 23.25 = <u>6.75</u>

5 0
3 years ago
David can run 4 miles in 75 minutes .what is Davides jogging rate per hour ?
Nina [5.8K]

Answer:

3.2 miles per hour

Step-by-step explanation:

Time=75 minutes=75/60=5/4=1.25 hours

Speed=Distance/time=4/1.25=3.2 miles per hour

David's jogging rate is 3.2 miles per hour.

4 0
4 years ago
The polynomial y=x^2+4x+4 has a repeated factor
lions [1.4K]
Yes,
x^2 -4x+4
= x^2 -2x-2x +4
= x (x-2) -2 (x-2)
= (x-2)(x-2)

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6 0
3 years ago
Two triangles can be formed with the given information. Use the Law of Sines to solve the triangles. B = 46°, a = 12, b = 11
andreyandreev [35.5K]
*Hint: The Law of Sines is Sin A/a = Sin B/b = Sin C/c

In order to solve this equation, you will have to use this equation:

A= sin^(-1)[a sinB/b]
A= sin^ (-1) [12 (sin 46°) / 11]
A = sin^ (-1) [8.632077604/11]
A = sin ^(-1) [0.7847343276]
A = 51.69611349

Therefore, Sine A would be about 52°
6 0
4 years ago
Which equation models the population (in millions), p, of austinberg t years after january 1, 2000
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The answer is.................


A!!!!!!!!!!!!
8 0
3 years ago
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