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3 years ago

How many different combinations are possible if a number cube is tossed three times?

2 answers:

7 0

If you toss it the first time there are 6 outcomes

For each of these outcomes, the second toss could yield another 6 outcomes - total 6 x 6 = 6² outcomes 

For each of the these outcomes, the third toss could yield another 6 outcome - total = 6² x 6 = 6³ outcomes. 

Extending this pattern you see that for x tosses, the total number of outcomes is 6^x.
That's what I got, hope it helps you.

Nataly_w [17]3 years ago

6 0

It would be 6 x 6 x 6, since the number cube has six sides and it was thrown 3 times.

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The dual bar chart shows the hair colour of boys and girls in a year group. What fraction of the red haired students are boys? G

Step2247 [10]

Answer:

$\frac{3}{4}$

Step-by-step explanation:

Total red haired students = 15+5 = 20

Boys = 15

Fraction:

=> $\frac{15}{20}$

In simplest form:

=> $\frac{3}{4}$

3 0

3 years ago

Zach ate breakfast at a restaurant. The bill came to $76. If he left a 15% tip, how much was the tip?

finlep [7]

If they left 15% the tip should be
$11.40, making the total fee $87.40

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2 years ago

A t shirt maker wants to open his first store.If he chooses the store on Main Street he will pay 650 in rent and will charge 32$

ch4aika [34]

Answer: 35 t shirts

Step-by-step explanation:

Let number of t shirts be x

Let profit made be y

On main street, the store costs $650,

Selling the t shirt at $32 per 1

He would make a revenue of 32x

Profit = revenue - cost accrued

y1 = 32x - 650

On Broad street, the store costs $440,

Selling the t shirt at $26 per 1

He would make a revenue of 26x

Profit = revenue - cost accrued

y2 = 26x - 440

To make same profit on either location

y1 = y2

32x - 650 =26x - 440

32x -26x = -440+650

6x = 210

x = 210/6

= 35 t shirts

5 0

2 years ago

If y=6 when x=2 over 3 find x when y=12

AlexFokin [52]

Answer:

4/3 or 1 1/3

Step-by-step explanation:

So if y = 6, when x = 2/3. Then, x would equal 1 and 1/3, because 12 is twice the amount of 6, so you'd also multiply 2/3 by 2.

(To multiply a whole number by a fraction, first multiply the whole number by the numerator and then divide that by the denominator. For example: 2 × 2 = 4, since you can't really divide 4 by 3 it would stay as is, but you can turn it to a mixed number. 4/3 is the same as 1 whole and an extra 1/3, or in other words 1 1/3).

Hope this helped :)

6 0

2 years ago

| 18 - (-13) | it’s subtracting integers

Anna35 [415]

Answer: 31

How: If there are two negative signs like this, you would connect them together and make it into a addition sign where you then can add them.

7 0

2 years ago