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3 years ago

A swimming pool at a park measures 9.75 meters by 7.2 meters what is the area?

1 answer:

5 0

The area is 70.2 meters because length times width equals area okay also there's a magical invention called a calculator that might be helpful in the future my friend

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A hypothesis regarding the weight of newborn infants at a community hospital is that the mean is 6.6 pounds. A sample of seven i

Elenna [48]

Answer:

The alternate hypothesis is that newborn infants has a mean weight of 7.56 pounds.

Step-by-step explanation:

Let's find an alternate hypothesis by using the formula:

mean=(sum of all data)/(number of data points) so:

sum of all data=9.0+7.3+6.0+8.8+6.8+8.4+6.6=52.9 and:

number of data points=7 so:

mean=52.9/7=7.56 pounds

The alternate hypothesis is that newborn infants has a mean weight of 7.56 pounds.

4 0

3 years ago

Carson has two cans of red paint. The first can contains 3 pints of red paint. The second can contains 4 16 pints of red paint.

allsm [11]

Answer: 1⁵/₈ pints

Step-by-step explanation:

First can contained 3¹/₄ pints and second can contained 6¹/₂.

To make them equal, first find the different;

= 6¹/₂ - 3¹/₄

= 6.5 - 3.25

= 3.25

Divide this difference by 2;

= 3.25/2

= 1.625

= 1⁶²⁵/₁₀₀₀

= 1⁵/₈ pints

If Carson pours 1⁵/₈ pints from the second Can, it would increase the first can to 4⁷/₈ pints whilst reducing the second can to 4⁷/₈ pints as well.

8 0

3 years ago

A grocery store sells a bag of 3 oranges for $2.79. How much would it cost for 4 oranges?

Kaylis [27]

Answer:

$3.72

Step-by-step explanation:

Divide $2.79 by 3

$0.93 is the price of one orange

$0.93 times 4 is $3.72

Hope this helps!

3 0

3 years ago

Read 2 more answers

5 x 10^5 is how many times as large as 1 x 10^5?

Oxana [17]

Answer:

5 times as large

Step-by-step explanation:

You can think of "10^5" as "green marbles" if you like. Then your question is ...

5 green marbles is how many times as large as 1 green marble.

Hopefully, the answer is all too clear: it is 5 times as large.

_____

In math terms, when you want to know how many times as large y is as x, the answer is found by dividing y by x:

y/x . . . . . tells you how many times as large as x is y.

Here, that looks like ...

$\dfrac{5\times 10^5}{1\times 10^5}\\\\=\dfrac{5}{1} \qquad\text{the factors of $10^5$ cancel}\\\\=5$

4 0

3 years ago

Read 2 more answers

The sum of ages Afful and Naomi is 34. In 5 years time , Afful will be 2 times the age on Naomi now. How old are they now.

GenaCL600 [577]

Answer:

Afful is 21 and Naomi is 13.

Step-by-step explanation:

Let $A$ represent the age of Afful and $N$ represent the age of Naomi.

The sum of their ages is 34. In other words:

$A+N=34$

In 5 years time, Afful will be two times the age of Naomi <em>now</em>. In other words:

$A+5=2N$

Solve for the system. Substitute.

$A+N=34\\A=34-N\\34-N+5=2N\\39=3N\\N=13\\\\A=34-N\\A=34-(13)\\A=21$

Afful is currently 21 and Noami is currently 13.

7 0

3 years ago

Read 2 more answers