All categories

3 years ago

Item 1 Solve the system of linear equations by graphing. 5x+5y=15 2x−2y=10

Mathematics

1 answer:

Marysya12 [62]3 years ago

6 0

After graphing both lines, we're able to tell the solution by looking at the point where the lines cross. In this case, it's at (4, -1). And so that is the solution set.

You might be interested in

Marcel said he can find 52 times 10 by adding a 0 to the end of 52 to get 520

Rainbow [258]

Answer:

No he can not because if you add 0 to 52 you get 520 and the answer has to be 520

Step-by-step explanation:

4 0

3 years ago

The Powerball lottery is decided every Wednesday and Saturday night by drawing five white balls out of a drum with 69 balls and

Doss [256]

Answer: a) 11,238,513 and b) 292,201,338

Step-by-step explanation:

Since we have given that

Number of white balls = 69

Number of white balls drawn = 5

Number of red balls = 26

Number of red balls drawn = 1

According to question, The Powerball jackpot is won by matching all five white balls in any order and the red Powerball.

So, a) Possible different ways of Powerball tickets can be purchased is given by

$^{69}C_5\\\\=11,238,513$

And

b) Number of possible ways of different winning Poweball tickets are there would be

$26\times ^[69}C_5\\\\=292,201,338$

Hence, a) 11,238,513 and b) 292,201,338

7 0

3 years ago

Find the quotient 54÷3=

dangina [55]

60/3=20 57/3=19 54/3=18

7 0

3 years ago

Read 2 more answers

Use words to explain why the two equations below are equivalent

DiKsa [7]

Answer:

These equations are equivalent because after you solve the equation the answer are the same. For example 2+2 and 3+1 are equivalent. They both equal four. In these problems are x=3 and x=3.5 they are the same beause of the answer on problem 2 6-x. That makes them both have the same answer

Step-by-step explanation:

7x-9=12

+9=+9

7x=21

/7=/7

x=3

4 0

3 years ago

the b-clean car wash washed 128 cars in 3 hours. at that rate, how many cars can they wash in 8 hours?

sukhopar [10]

You have to divide 128 by 8 and you will get 16. So the answer is 16

5 0

3 years ago