Katy buys 4 DVDS every 2 weeks how many DVDS will she buy in 14 weeks
1 answer:
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Answer:
B. 455
Step-by-step explanation:
The order in which the toppings are chosen is not important. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In this question:
3 toppings from a set of 15. So
455 3-topping sundaes can be made.
Answer:
The cost of each pair of sneakers is $33.25.
Step-by-step explanation:
Consider the provided information.
Meryl spends a total $68.82 for 2 pairs of sneakers with the same cost.
If the sales tax is $5.32 and she also uses a coupon for $3.00 off her purchase.
First subtract the sales tax from the spend amount.
She use a coupon for $3.00 OFF.
$66.5 was the cost of 2 pairs of sneakers before using the coupon.
Now divide $66.5 by 2 so that we can find the cost of one pair of sneakers.
Hence, the cost of each pair of sneakers is $33.25.
Answer: 1/243
Step-by-step explanation: To simplify the problem shown, our first step is to convert the decimal in the exponent, -2.5, to a fraction.
-2.5 is the same thing as -2 and 1/2 so we have 9^-2 and 1/2 and -2 and 1/2 is the same thing as -5/2 so we have 9^-5/2.
The rest of my work is attached in the image provided.
