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3 years ago

9

>) For its swim uniform, the team has a choice of 5 different bathing suits, 6 different swim caps, and 3 kinds of goggles. I

f a uniform is made of 1 bathing suit, 1 swim cap, and 1 pair of goggles, how many different uniforms are possible?

1 answer:

Radda [10]3 years ago

8 0

Answer:

i think it would be like 3 but im not sure

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On the blueprint of a house, 36 millimeters represents 8 meters. The actual length of the living room is 6 meters. What is its l

Xelga [282]

36/8=4.5 which is how many millimeters there are in a meter. So 6 meters *4.5 would be 27 millimeters. The length of the blue print is 27 millimeters

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3 years ago

A magazine ad states that 4 out of 7 doctors recommend Flash toothpaste. if 1400 doctors were surveyed, how many doctors recomme

Paladinen [302]

Answer:

The number of doctors recommended flash toothpaste <u>800</u>.

Step-by-step explanation:

Given:

A magazine ad states that 4 out of 7 doctors recommend Flash toothpaste.

Now, to find the numbers of doctors recommended flash toothpaste if 1400 doctors were surveyed.

Let the number of doctors recommended be $x$ .

And the total number of doctors surveyed were 1400.

So, as given 4 out of 7 doctors recommend flash toothpaste.

So, 4 equivalent to 7 = $\frac{4}{7}$ .

And, $x$ equivalent to 1400 = $\frac{x}{1400}$ .

Thus, we set the proportion and solve by cross multiplication method:

$\frac{4}{7} =\frac{x}{1400}$

<em>By cross multiplying we get:</em>

$5600=7x$

<em>Dividing both sides by 7 we get:</em>

$800=x$

$x=800.$

Therefore, the number of doctors recommended flash toothpaste 800.

3 0

3 years ago

Read 2 more answers

mr johnson stayed four nights at a hotel . his bill 2as $725 before the sales tax of 6% was added . how much was the sale tax?

rjkz [21]

Let us first concentrate on the information’s that are already given in the question. Based on those information’s the answer to the question can be easily found.
Bill amount for Mr. Johnson before sales tax = $725
Percentage of sales tax taken = 6%
Then
Amount of sales tax = (6/100) * 725
= 4350/100 dollars
= 43.5 dollars
So the amount of sales tax that had to be given is $43.5. <span>I hope the procedure for doing this problem is clear to you.
</span>

6 0

3 years ago

Sam invests a sum of money in a retirement account with a fixed annual interest rate of 7%

Zolol [24]

Answer:

The initial amount of investment was $7,822

Step-by-step explanation:

The formula for compound interest, including principal sum is:

$A=P(1+\frac{r}{n})^{nt}$ , where

<em>A</em> is the future value of the investment/loan, including interest

<em>P</em> is the principal investment amount

<em>r</em> is the annual interest rate (decimal)

<em>n</em> is the number of times that interest is compounded per unit t

<em>t</em> is the time the money is invested or borrowed for

Let us use this rule to solve the question

∵ Sam invests a sum of money in a retirement account with a fixed

annual interest rate of 7% compounded quarterly

∴ <em>r </em>= 7% = $\frac{7}{100}$ = 0.07

∴ <em>n</em> = 4 ⇒ compounded quarterly

∵ After 13 years, the balance reaches $19,280.02

∴ <em>A</em> = 19,280.02

∴ <em>t </em>= 13

Substitute these values in the rule above to find <em>P</em>

∵ $19,280.02=P(1+\frac{0.07}{4})^{4(13)}$

∴ $19,280.02=P(1.0175)^{52}$

→ Divide both sides by $(1.0175)^{52}$

∴ 7,821.99888 = <em>P</em>

→ Round it to the nearest dollar

∴ 7,822 = <em>P</em>

∴ <em>P</em> = $7,822

∴ The initial amount of investment was $7,822.

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3 years ago

Dante is making a necklace with 18 rows of tiny beads in which the number of beads per row is given by the series 3 + 10 + 17 +

Volgvan

The numbers represent an arithmetic progression. The difference between terms is d=7. S=a1+a2+...+an, a1=3 and an=a1+(n-1)×d=3+17×7=122 S=(a1+an)n/2=(3+122)×18/2=125×9=1125

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3 years ago