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3 years ago

PLEASE HELP!!!!! I SERIOUSLY NEED THIS AND HAVE LITERALLY ASKED EVERYONE!!!!

1 answer:

4 0

Let's solve for a.y=1x−a+bStep 1: Multiply both sides by x.xy=−ax+bx+1Step 2: Flip the equation.−ax+bx+1=xyStep 3: Add -1 to both sides.−ax+bx+1+−1=xy+−1−ax+bx=xy−1Step 4: Add -bx to both sides.−ax+bx+−bx=xy−1+−bx−ax=−bx+xy−1Step 5: Divide both sides by -x.−ax−x=−bx+xy−1−xa=bx−xy+1xAnswer:a=bx−xy+1x

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Write an equation of the line that passes through each pair of points (1,3)(-3,-5)

marta [7]

Answer: y =2x + 1

Step-by-step explanation: just use y=mx + b to find the equation

8 0

3 years ago

Can i have help with these questions

adell [148]

Answer:

(-3, 5), (-1, -1), (5, -3)

Step-by-step explanation:

Each pair of vertices can be one of the diagonals. Then the missing point will be found at the coordinates that are the sum of those, less the coordinates of the third point.

Given points are ...

A(-2, 2), B(1, 1), C(2, -2)

For AB a diagonal, D1 is ...

A+B-C = (-2+1-2, 2+1-(-2)) = (-3, 5)

For AC a diagonal, D2 is ...

A+C-B = (-2+2-1, 2-2-1) = (-1, -1)

For BC a diagonal, D3 is ...

B+C-A = (1+2-(-2), 1-2-2) = (5, -3)

_____

For a lot of parallelogram problems I find it easiest to work with the fact that the diagonals bisect each other. This means they both have the same midpoint, so for quadrilateral ABCD, we have (A+C)/2 = (B+D)/2. Multiplying this by 2 gives the equation we used above, A+C = B+D, so D=A+C-B. Remember, in ABCD, AC and BD are the diagonals.

6 0

3 years ago

Read 2 more answers

A school debate team has four girls and six boys. A total of four of the team members will be chosen to participate in the distr

alex41 [277]

Procedure:

1) calculate the number of diferent teams of four members that can be formed (with the ten persons)
2) calculate the number of teams tha meet the specification (two girls and two boys)
3) Divide the positive events by the total number of events: this is the result of 2) by the result in 1)

Solution

1) the number of teams of four members that can be formed are:

10*9*8*7 / (4*3*2*1) = 210

2) Number of different teams with 2 boys and 2 girls = ways of chosing 2 boys * ways of chosing 2 girls

Ways of chosing 2 boys = 6*5/2 = 15
Ways of chosing 2 girls = 4*3/2 = 6

Number of different teams with 2 boys and 2 girls = 15 * 6 = 90

3) probability of choosing one of the 90 teams formed by 2 boys and 2 girls:

90/210 = 3/7

7 0

3 years ago

This table shows a value that represents an exponential function what is the average rate of change for this function for the in

aliya0001 [1]

Answer:

Option A is correct, i.e. 12.

Step-by-step explanation:

Given is the table of x&y relationship which represents an exponential function.

The average rate of change for a function can be found using the following formula:-

F_average = { f(b) - f(a) } / (b-a)

Given a = 3 and b = 5.

From the table, f(3) = 8 and f(5) = 32.

So, F_average = (32-8)/(5-3)

F_average = 24/2 = 12.

Hence, option A is correct, i.e. 12.

4 0

3 years ago

What’s the answer ?????? (SOMEONE PLEASE HELP)

Kamila [148]

Part A: 16x=M
Part B: 16x+TY=M
Part C: 16x=580
/16 /16
x=36.25
Mary worked 36 hours and 25 minutes

5 0

3 years ago