3 years ago

Use substitution to solve the system of equations.

Mathematics

1 answer:

never [62]3 years ago

8 0

Subtract the Y from the x and the x from the y that is how you would get the answer this is how you would find slope

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Population of fruit flies has a mean life span of 46 days with a standard deviation of 6.2 days. If a sample of 30 fruit flies i

icang [17]

Idk sorry I would answer if I did but I need points to ask a question

7 0

3 years ago

Lee spent $36 to purchase a combination of drinks, sandwiches, and chips for himself and his friends. A drink costs $2, a sandwi

valkas [14]

2x+4y+0.50z=36 represents the situation.

Step-by-step explanation:

Let,

Drinks = x

Sandwich = y

And,

Chips = z

Total amount on these items = $36

According to the statement;

$x(cost\ of\ one\ drink)+y(cost\ of\ one\ sandwich)+z(cost\ of\ one\ chips)=\ Total\ amount\ spent\\2x+4y+0.50z=36$

2x+4y+0.50z=36 represents the situation.

Keywords: Linear equations

Learn more about linear equations at:

#LearnwithBrainly

7 0

3 years ago

Using the diagram below, determine which<br> statement is NOT true.

Ad libitum [116K]

Answer: C

Step-by-step explanation:

7 0

3 years ago

Jim, Dan and David share some sweets in the ratio 3:1:5. Jim gets 21 sweets. How many more sweets does David get over Dan?

nadezda [96]

Answer:

David gets 28 more than Dan

Step-by-step explanation:

Jim: Dan : David: total

3 : 1 : 5 : 3+1+5 = 9

Jim gets 21

21/3 = 7

Multiply each number by 7

Jim: Dan : David: total

3*7 : 1*7 : 5 *7 : 9*7

21 : 7 : 35 : 63

David has 35 and Dan has 7

35-7 = 28

David gets 28 more than Dan

8 0

3 years ago

Which type of triangle has side measures of 5 cm, 9 cm, and 12. 7 cm and one angle measure of 128°?.

Verdich [7]

we have different side lengths and thus different angles anyhow, meaning is an Scalene triangle.

6 0

2 years ago