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zepelin [54]
3 years ago
11

William has $50. He wants to buy some t-shirts that cost $12 each. He also wants to have at least $10 left to buy lunch. What is

the greatest number of t-shirts that William can buy and still have $10 for lunch?
Mathematics
1 answer:
Crank3 years ago
7 0

Answer:

The most t-shirts that he can buy is 3

Step-by-step explanation:

He has $50 and needs to have $10 for lunch. So take away the money for lunch and that leaves you with $40. Each t-shirt cost $12 so $40 divided by $12 is 3.333333333. But you can't buy a part of a t-shirt you the most t-shirt you can buy is 3

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shepuryov [24]
The formulas answer/ variable?
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3 years ago
the variable z is directly proportional to x. when x is 15, Z has the value 0.2. What is the value of Z when x = 23
Natalka [10]

Answer:

The value of Z = 0.3066... Or 0.31.

Step-by-step explanation:

The formula of direct proportional is a=kb (where k is constant). Given that a=z=0.2 and b=x=15, equation is 0.2=15k,

k=0.2/15

k=0.0133333333333

If x is 23 then what is z?

z=0.0133333333333(23)

z=0.3066666 or 0.31

7 0
3 years ago
Cyndee is taking her siblings out for dessert. Ice cream, c, costs $4.00 per cone. Brownies, b, are $2.00 each. Water for everyo
GalinKa [24]

Answer:

The term that represent the amount of money she will spend on brownies is 2b

Step-by-step explanation:

Let

c ----> the number of cones

b ----> the number of brownies

we know that

The cost of desserts can be found using the expression

4c+2b+5

where

4c ----> is the term that represent the amount of money spend in cones

2b ----> is the term that represent the amount of money spend in brownies

5 ----> is the term that represent the amount of money spend in water

therefore

The term that represent the amount of money she will spend on brownies is 2b

That means ---> the number of brownies (b) multiplied by the cost of each brownie ($2)

5 0
3 years ago
Can I name my Angle VTS as STV? And use it interchangeably in proving?
swat32

Answer:

both angles are the same, so you can use it interchangeably in proving.

But i suggest you to mantain only one, because it's easier to understand and it looks better.

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3 years ago
33. The standard deviation divided by the square root of the sample size n is equal to the _______________ of the mean. Sample e
kupik [55]

Answer:

Standard error

Step-by-step explanation:

Standard error: In statistics, the term standard error is also denoted as SE, and is reffered to as the estimate of a particular parameter.

It is defined as the standard deviation in statistics related to its sampling distribution or else the the standard deviation's estimate.

Therefore, if a particular parameter or statistic is considered as a mean then it would be denoted as the standard error of that mean.

The standard error of an estimate may also be defined as the square root of the estimated error variance √\sigma^{2} of the quantity,

 

S_{e} =√\sigma^{2}

In the given question, the appropriate answer would be standard error.

4 0
3 years ago
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