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denis23 [38]
3 years ago
8

Suppose you add 10% of a number to the number, and then you subtract 10% of the total. Is the result greater than, less then, or

equal to the original number?
Mathematics
1 answer:
anyanavicka [17]3 years ago
5 0
Let's say the number is 9. 10% of 9 is 0.9. Add that to 9 and you would get 9.9. 10% of 9.9 is 0.99. Subtract and you would get 8.91. Then you could do the rest.
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Complete the table.<br> f(y) = 4y2 - 4v<br> f(v<br> -4<br> -3<br> -2<br> -1
Nastasia [14]

Answer:

f(y) = 4y2 - 4v

f(y) = 4y² - 4(-4) = 4y² + 16

f(y) = 4y² - 4(-3) = 4y² + 12

f(y) = 4y² - 4(-2) =4y² + 8

f(y) = 4y² - 4(-1) = 4y² + 4

Step-by-step explanation:

6 0
2 years ago
Calculate the area of a circle with a diameter of 6cm
7nadin3 [17]
Area of circle = πd²/4,    where d = diameter
 
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Hope this explains it.

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3 years ago
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7 0
3 years ago
Suppose the newspaper states that the probability of rain today is 50%. What is the complement of the event "rain today"?
Gennadij [26K]

Answer:

50%

Step-by-step explanation:

Given that :

Let Probability of rain today = P(rain today) = 50% = 0.5

The complement of an event A denoted as A' means the opposite of event A is obtained by subtracting event a from 1.

P(rain today) = 0.5

The complement of P(rain today) ; means the probability that it will NOT rain today;

Hence, P(raintoday') = 1 - 0.5 = 0.5 = 50%

6 0
2 years ago
You mix 1 and one half quarts of juice with 3 and three fourths quarts of ginger ale to make fruit punch. What is the ratio of t
swat32

Answer:

<u>2 : 5</u> is the ratio of the amount of juice to the amount of ginger ale.

Step-by-step explanation:

Given:

You mix 1 and one half quarts of juice with 3 and three fourths quarts of ginger ale to make fruit punch.

Now, to get the ratio of the amount of juice to the amount of ginger ale.

Amount of juice = 1\frac{1}{2}=\frac{3}{2} \ quarts.

Amount of ginger ale = 3\frac{3}{4}=\frac{15}{4} \ quarts.

So, to get the ratio of amount of juice to amount of ginger ale:

\frac{3}{2} :\frac{15}{4}

=\frac{\frac{3}{2}}{\frac{3}{4}}

=\frac{3}{2} \times \frac{4}{15}

=\frac{12}{30}

On simplifying it:

=\frac{2}{5}

=2:5.

Therefore, 2 : 5 is the ratio of the amount of juice to the amount of ginger ale.

3 0
3 years ago
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