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bearhunter [10]
3 years ago
5

Find y if the line through (5, 2) and (7, y) has a slope of 4. Y= ___

Mathematics
1 answer:
Makovka662 [10]3 years ago
4 0
Y=10

(y-2):(7-5)=4
y-2=4(7-5)
y-2=28-20
y=8+2
y=10
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Help! Pls I cant solve it help me with explanation also pls.
Wittaler [7]

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3 years ago
Nicole bought a meal in a town with a 9% sales tax. She tips 20% on the bill, and then adds the sales tax. What is the total cos
zloy xaker [14]

Answer:

The total cost of the meal is $19.35.

Step-by-step explanation:

As Nicole ordered a $ 15 menu, and on that price she paid a tip of 20% and the town in which she bought it had a sales tax of 9%, the total cost of the meal is determined by performing the following calculation:

1- Menu $ 15

2- Tip $ 3 (15 x 0.2)

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Thus, adding the three expenses, the total cost of the food for Nicole is $ 19.35 (15 + 3 + 1.35).

6 0
3 years ago
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kykrilka [37]
Area=20. Ur welcome!
4 0
3 years ago
Serial numbers for a product are to be made using 3 letters followed by 4 digits. The letters are to be taken from the first let
Tpy6a [65]

Answer:

30,240 ways,  if I am restricted to using A, B, and C for letters

Step-by-step explanation:

This uses Combinatorics from Discrete Math.

so.

3 letters  and 4 digits.

26 letters from alphabet, but you want to choose first letters.  no repeats...

Does this mean only letters A, B, and C ?

digits from 10 digits...

I imagine  7 empty slots , and the number of ways they occur together is by the product of the number of choices each box has.

3*2*1  *  10*9*8*7 = 6  * 5040  = 30,240 ways

3 0
3 years ago
3.<br><br><br> A. 0.052%<br><br> B. 5.2%<br><br> C. 5.4%<br><br> D. 105%
mylen [45]
I believe it is B :)
5 0
3 years ago
Read 2 more answers
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