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Nastasia [14]
3 years ago
6

Explain how you know whether to add or subtract when you use the Distributive property to multiply.

Mathematics
1 answer:
Bumek [7]3 years ago
7 0
Depending on the answer of the problem if it’s negat the sign is so on and so fourth
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Which problem can be solved using the equation shown? 2 dollars and 50 cents x minus 2 dollars = 10 dollars and 50 cents Will bo
Black_prince [1.1K]

Step-by-step explanation:

Will bought several books that cost $ 2.50 each and received a $ 2 discount on the total bill. If he paid $ 10.50, how many books did he buy ?

2.50x  - 2.00 = 10.50

2.50x = 10.50 + 2.00

2.50x = 12.50

x = 12.50/2.50

x = 5....he bought 5 books

4 0
3 years ago
Read 2 more answers
Evaluate the expression 11C4.
kicyunya [14]

The correct answer is: 330

Explanation:

The formula for combination is given as follows:

^nC_r = \frac{n!}{r! (n-r)!} --- (1)

Where n = 11

r = 4

Plug in the values in equation (1) and calculate:

^nC_r = \frac{n!}{r! (n-r)!} \\ ^{11}C_{4} = \frac{11!}{4! (11-4)!} \\ ^{11}C_{4} = \frac{11*10*9*8*(7!)}{4! (7)!} \\ ^{11}C_{4} = \frac{11*10*9*8}{4!} \\ ^{11}C_{4} = \frac{11*10*9*8}{4*3*2*1} \\ ^{11}C_{4} = 330 \\

Hence the correct answer is 330.

8 0
3 years ago
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At a pet store the ratio of cats to dogs sold was 5 : 3. If there were 40 cats that were sold, how many dogs were sold?
Anna [14]

Answer:24 dogs

Step-by-step explanation:8x3

3 0
3 years ago
Solve the equation s=a tmw for the variable W
Dimas [21]

Answer:

w = s/atm

Step-by-step explanation:

I hope this helps,

Please give brainliest

6 0
2 years ago
Please help i'm not that good at math. Determine the number of real solutions for each system of equations.
ratelena [41]

System A has ONE real solution

System B has NO real solutions

System C has ONE real solution

7 0
3 years ago
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