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USPshnik [31]
3 years ago
15

Bill placed a coordinate grid over a drawing of his back yard. Points A (-2, -3) and B (4, 9) represent two corners of his garde

n. He wants to place a water sprinkler (C) at the midpoint between A and B.
Mathematics
1 answer:
irinina [24]3 years ago
6 0

Answer:

(1;3)

Step-by-step explanation:

midpoint=(x1+x2;y1+y2)÷2

=(-2+4;-3+9)÷2

=(2;6)÷2

=(1;3)

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Find the upper quartile of the given data below:<br> ​<br> ​ 11, 8, 5, 4, 7, 6, 9, 10, 12
JulijaS [17]

Answer:

9.5

Step-by-step explanation:

1. Arrange in ascending order

4 5 6 7 8 9 10 11 12

2. Upper Quartile formula:

3×(N+1)÷4

3. Number of terms (N) = 9

4. Apply:

3×(9+1)/4

=3×10/4

=30/4

=7.5th term

5. 7.5th term is the average of the 7th and the 8th term so

Take average

7th term is 9 and 8th term is 10

6. Find average of 9 and 10 = 9.5

7. ANSWER : THE UPPER QUARTILE IS 9.5 FOR THE GIVEN DATA

7 0
3 years ago
“baka”<br> ,killua zoldyc
adell [148]
What is the question??
4 0
3 years ago
Read 2 more answers
What is the justification for each step in the solution of the equation?
Alexandra [31]

For this case we have the following equation:

\frac{2}{3}x-\frac{1}{3}= 2 (x + 2)\\

If we multiply both sides of the equation by 3 we get:

2x-1 = 6 (x + 2) ---> Multiplication Property of Equality

Applying the distributive property we have:

2x-1 = 6x + 12 ---> Distributive Property

Adding 1 on both sides of equality we have:

2x-1 + 1 = 6x + 12 + 1\\

2x = 6x + 13 ---> Addition Property of Equality

Subtracting 6x on both sides we have:

-6x + 2x = 6x-6x + 13\\

-4x = 13 ---> Subtraction Property of Equality

Finally, dividing by -4 on both sides we have:

\frac{-4x}{-4}= \frac{13}{-4}\\

x = -\frac{13}{4}---> Division Property of Equality


5 0
3 years ago
Read 2 more answers
HELP!!! solve the following system:<br>y = x + 3<br>3x + y = 19
MariettaO [177]
3x + (x+3) = 19
4x + 3 = 19
4x = 16
x = 4

y= x+3
y= 4+3
y= 7
8 0
3 years ago
Question 1 Part A One of Maria and Josie’s early tasks is printing and laminating signs to hang at local businesses around town.
maks197457 [2]

Answer:

Using the table

Maria     does 1/4 of the job in 1 hour since it takes her 4 hours to complete the job  , she works x hours and completes x/4 of the task

Josie     does 1/2 of the job in 1 hour since it takes her 2 hours to complete the job  , she works x hours and completes x/2

x/4 + x/2 = 1 completed task

Multiply by 4

x/4 *4 + x/2*4 = 1*4

x+2x =4

3x=4

x = 4/3

x = 1 1/3 hours

5 0
3 years ago
Read 2 more answers
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