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EleoNora [17]
3 years ago
15

Suppose you roll a 6-faced die 90 times. About how many times would you expect to get a 5?

Mathematics
1 answer:
irinina [24]3 years ago
7 0
15 over 90
3over18
yes
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the sum of two numbers is 78. one of the numbers is 4 more than the other number, what are the two numbers?
ladessa [460]

The two numbers are 41 & 37.

The way to solve this is by setting up an equation. We know that 2 numbers are going to equal 78, so here would be the general equation (let x represent the number we don't know):

(x) + (x + 4) = 78

Now, we need to simplify it (combine like terms):

2x + 4 = 78

Then you can solve it like any other equation. Subtract 4 on both sides:

2x = 74

Divide by 2 on both sides:

x = 37.

So, now you know one number is equal to 37 and that the other is 37 + 4.

That's how you get 37 & 41.

7 0
2 years ago
Read 2 more answers
How to get 75 using the numbers 7,5,6,and 3 only once
Arte-miy333 [17]
To get 75 using 7, 5, 6, and 3 only once:

= (7+5) * 6 + 3
parentheses first

= 12 * 6 + 3
multiplication before addition

= 72 + 3
= 75

Without being given any constraints, I'm assuming multiplication and addition were allowed.

Hope this helps! :)
3 0
3 years ago
Help me please i can’t figure it out
julsineya [31]

can u type out the question because its hard to see sorry

5 0
3 years ago
Are two lines with the same slope and different y intercept perpendicular sometimes true?
lara [203]
I don't believe so, last time i checked for two lines to be perpendicular they needed to have opposite reciprocal slopes.

For Example
If one line has a slope of 5
The second line has to have a slope of -1/5 
6 0
3 years ago
DeShawn is 38 years old and is married with 3 children, ages 2, 4, and 6. He makes $45,000 a year and is planning to retire when
emmainna [20.7K]

Answer:B

Step-by-step explanation:

DeShawn would have more money in the long run if he invested in the 20-year endowment

DeShawn already makes $45,000 yearly, which makes him rich enough to purchase the 20 year endowment plans, the 20 year life plan won't be wise, because it last for 20 years, and this will end before he retires, 38 + 20 = 58 and once it ends, no payment will be made if he's still alive, so what if something happens to him in the 2 years inbetween the end of the 20 year term plan and his retirement? That's where the plan doesn't favor him and his family, but the 20 year endowment plan once it's finished, he will be paid the sum assured to him, plus bonuses, and his family will be covered if something happens to him in the 2 years inbetween the end of the 20 year endowment plan and his retirement

4 0
3 years ago
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