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s344n2d4d5 [400]
3 years ago
12

John can wash a car in 10 minutes. Brad can wash the same car in 8 minutes. How long will it take them if they work together to

wash a car?
Mathematics
2 answers:
Ann [662]3 years ago
8 0

Answer:

9 min

Step-by-step explanation.

half of ten is 5 and half of 8 is 4 and 4 + 5 = 9

inna [77]3 years ago
4 0

Answer:

9⁄40 minute

Step-by-step explanation:

⅛ + ⅒ → 5⁄40 + 4⁄40 = 9⁄40 [Find the Least Common Denominator (LCD), which is 40]

You add these proportions together to get a "'together' time".

I am joyous to assist you anytime.

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irakobra [83]

Answer:

The correct option is 1/4^2

Step-by-step explanation:

The given expression is:

4^6 * 4^-8

According to the same base rule if the exponents have the same base then the exponents will be added.

If we look at the given expression both the values have the same base.

Therefore we will add the exponents of the value.

= 4^6+(-8)

= 4^6-8

= 4^-2

Now to change the negative exponent into positive we will take it to the denominator.

4^-2 = 1/4^2

Thus the correct option is A....

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Step-by-step explanation:

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Read 2 more answers
You can convert a temperature given in degrees Celsius to Fahrenheit temperature by using the expression 9x ÷ 5 + 32, where x is
Minchanka [31]

Water freezes at 32 degree Fahrenheit.

Step-by-step explanation:

Given,

Formula for Celsius to Fahrenheit = \frac{9}{5}x+32

x = Celsius temperature

Boiling point of water = 0°C

We will put x=0

0°C = \frac{9}{5}(0)+32

0°C = 0+32

0°C = 32 degree Fahrenheit

Water freezes at 32 degree Fahrenheit.

Keywords: temperature, addition

Learn more about temperature at:

  • brainly.com/question/10894205
  • brainly.com/question/10987396

#LearnwithBrainly

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