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inna [77]
3 years ago
8

Callie brushes her teeth three times each day. She leaves the water running. Is it reasonable to say that she uses 2 cups of wat

er in one day? Explain
Mathematics
1 answer:
Dmitriy789 [7]3 years ago
5 0

Answer: She uses more than 2 cups of water per day.

Step-by-step explanation:

It takes 2 minutes to brush your teeth and if you times that by 3 you get 6 so she spends 6 minuntes per day brushing her teeth and water runs fast. so if your leaving the water on for 6 mintues your filling up much more than 2 cups

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Svetach [21]

Answer:

-4x - 20= -4x - 20

Step-by-step explanation:

Multiply -4 and x and -4 and 5. It has infinite solutions

3 0
3 years ago
What is (f-g)(x)?<br><br> f(x)=x^4-x^2+9<br> g(x)=x^3+3x^2+12
sweet-ann [11.9K]
X^4 - x^2 + 9 - (x^3 + 3x^2 + 12) =

x^4 - x^3 - 4x^2 - 3
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3 years ago
The diameter of the base of the cone measures 8 units.
weeeeeb [17]

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Step-by-step explanation:

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You know that the diameter of the base of the cone measures 8 units, then, the radius can be found by dividing the diameter by 2:

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Since you already know that height and  the radius, you can substitute them into the formula. Then, the volume of this cone is:

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3 0
3 years ago
Read 2 more answers
Choose the expanded form of this expression 4(1/4 a + b - 6)
zalisa [80]

Answer:

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Step-by-step explanation:

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=(4)(1/4a)+(4)(b)+(4)(−6)

=a+4b−24

3 0
3 years ago
Every​ week, Bob plays the guitar for three hours​, and his grade on each psych test is 75 percent. Last​ week, after playing fo
dsp73

Answer:

20% psyche test scores

Step-by-step explanation:

Given that every week, Bob plays the guitar for three hours​, and his grade on each psych test is 75 percent.

Last​ week, after playing for three hours​, Bob considered playing for an additional hour.

He decided to play for another hour and cut his study time by one​ hour, but last week his psych grade was 55 percent.

Bob​'s opportunity cost of the fourth hour of playing the guitar​

=His cut in scores in psyche test

=20%

4 0
3 years ago
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