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aliina [53]
3 years ago
7

George was reading a mystery story. He read 42 pages in one hour. At this rate how many pages can he read in 40 minutes?

Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0

Answer:

56.8

Step-by-step explanation:

Ratios.

42------60

1----------1.42

40-------56.8

First, divide 42 by 42 which is one. Then, divide 60 by 42, which is 1.42.

Next, multiply 1 by 40. Finally multiply 1.42 by 40 which is 56.8. Hope this helps

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Product A is a 12-ounce bottle of generic mouthwash that sells for $1.15. Product B is a 24-ounce bottle of mouthwash that costs
adoni [48]
12 oz = 1.15
24 oz = 2.79
Let's see if 2x12oz is equal, less, or more than the 24oz.
1.15 x 2 = 2.30
2.30<2.79
The 12 oz is a better buy.
3 0
3 years ago
Find the function value, if possible. (If an answer is undefined, enter UNDEFINED.)
ddd [48]

Answer:

f(x + 2) = 3x + 2

Step-by-step explanation:

Simply replace wherever you find x in the function f(x) with (x + 2), like so:

f(x + 2) = 3(x + 2) - 4

f(x + 2) = 3x + 6 - 4

f(x + 2) = 3x + 2

7 0
3 years ago
Two ships leave the same port at the same time. Two hours later ship A has traveled 12 miles and ship B has traveled 8 miles.
sashaice [31]

Answer:

the angle between their paths is <em>100.8°</em>

Step-by-step explanation:

From the given information, you can construct a triangle, just like the one in the figure.

We will use the <em>Cosine Rule</em> which is:

c² = b² + a² - 2 b c cos(θ)

where

  • c = 16 miles
  • b = 8 miles
  • a = 12 miles

Therefore,

2 b c cos(θ) = b² + a² - c²

cos(θ) = (b² + a² - c²) / 2 b c

θ = cos⁻¹( (b² + a² - c²) / (2 b c) )

θ = cos⁻¹( (8² + 12² - 16²) / 2(8)(16) )

<em>θ = 100.8°</em>

<em></em>

Therefore, the angle between their paths is <em>100.8°</em>

4 0
3 years ago
What is the value of x
Mandarinka [93]

136/3.14+28=68

The answer is 68

8 0
3 years ago
What is the sum of 3/12 + 2/12
tia_tia [17]

Answer:

5/12

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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