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stiv31 [10]
3 years ago
12

Write an expression for double the product of c and b

Mathematics
1 answer:
lapo4ka [179]3 years ago
4 0

Answer:

2bc

Step-by-step explanation:

The product of c and b means c X b. However, in algebra, we typically miss out the X (multiply) symbol. We also like to put letters in alphabetical order. So this means the product of c and b is written as bc.

Then, to double a number, this just means to multiply by 2.

so we have 2Xbc. But, again, we don't write in the multiply symbol. We also put numbers in front of letters.

So this becomes 2bc.

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3 0
3 years ago
The formula F = 1.8C + 32 is used to convert temperatures from degrees Celsius, °C, to degrees Fahrenheit, °F. Find the temperat
lapo4ka [179]

Answer:

68F

Step-by-step explanation:

Given data

The formula F = 1.8C + 32

we want to find F for C= 20°C

Substitute into the formula we have'

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Hence the value of 20°C in Fahrenheit is 68F

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3 years ago
an ice cream factory makes 260 quarts of ice cream in 10 hours. How many quarts could be made in 36 hours? What was that rate pe
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4 0
3 years ago
If John takes 2 hours to travel 20km,how many kilometers does he travel in 6 hours?
Scilla [17]

Answer:

60km

Step-by-step explanation:

There are two ways to look at this

1. Finding the unit rate

We can find how many km he travels in 1 hour by diving both the hours and km by 2. 1 hour = 10km so 6 hours is 60km since we multiply by 6.

2. Multiply by 3

We can multiply both the km and hours by 3, since 2x3=6 hours

20km * 3 hours = 60km

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