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3 years ago

Need help asap!!! Will give lots of points!!!

Mathematics

1 answer:

nikdorinn [45]3 years ago

3 0

$\boxed{16x^2}$

$\underline{\textrm{Solve for perimeter}}$

$16x \div 4 = 4x$

$\underline{\textrm{Solve for area}}$

$4x * 4x = 16x^2$

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Phonesmart is having a sale on Bananas. If you buy one Banana at full price, you get a second at half price. When couples come i

Mice21 [21]

Answer:

The probability that a couple buys a pair of Bananas is 1/3 or 33.3%

Step-by-step explanation:

Let's recall that the formula of probability is:

Probability = Number of favorable outcomes/Total number of possible outcomes

What is the probability that a couple buys a pair of Bananas?

For answering this question, we first need to calculate the probability of buying a first Banana, given that when couples come in to buy a pair of phones, sales of Apricots and Bananas are equally likely:

Probability of buying a first Banana = 1/2

Probability of buying a first Apricot = 1/2

Now, we can calculate the probability of buying a second Banana, given that the second phone is twice as likely to be a Banana rather than an Apricot.

Probability of buying a second phone = 1

Probability of buying a second Apricot = x

Probability of buying a second Banana = 2x

Solving for x, we have:

x + 2x = 1

3x = 1

x = 1/3 ⇒ 2x = 2/3

Thus, probability of buying a second Banana = 2/3

Finally,

Probability that a couple buys a pair of Bananas = Probability of buying a first Banana * Probability of buying a second Banana

Replacing with the values we know:

Probability that a couple buys a pair of Bananas = 1/2 * 2/3 = 2/6 = 1/3

1/3 = 33.3%

Probability that a couple buys a pair of Bananas = 1/3 or 33.3%

6 0

3 years ago

A solution is made from 3 mL of dextrose in 40 mL total. What percentage dextrose is this solution?

Aleksandr-060686 [28]

Answer:

The percentage of dextrose is this solution = 7.5 %

Step-by-step explanation:

A solution is made from 3 mL of dextrose in 40 mL total.

We can determine the percentage by dividing 3 mL by 40 mL and multiply the result by 100.

i.e.

3/40 × 100 = 0.075 × 100

= 7.5 %

Thus, the percentage of dextrose is this solution = 7.5 %

4 0

3 years ago

The table represents a function. A 2-column table with 5 rows. The first column is labeled x with entries negative 6, 7, 4, 3, n

sveta [45]

Answer:

-2 is an output of the function.

Step-by-step explanation:

The given table is as follows:

$\left[\begin{array}{cc}{x}&f(x)\\-6&8\\7&3\\4&-5\\3&-2\\-5&12\end{array}\right]$

Here, the values written on the left side of table i.e. values of $x$ are known as the domain values or input values to a function.

The values written on the right side of table i.e. values of $f(x)$ are known as the range values or output values of the function $f(x)$ .