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Amiraneli [1.4K]
3 years ago
15

A plumber uses 16 inches of tubing to connect each washing machine in a install 18 washing machines. How many yards of turbing w

ill he need?
Mathematics
1 answer:
boyakko [2]3 years ago
4 0

Answer:

228

Step-by-step explanation:

18x16

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The course grade in a statistics class is the average of the scores on five examinations. Suppose that a student's scores on the
nadya68 [22]

Answer:

84 is the highest possible course average

Step-by-step explanation:

Total number of examinations = 5

Average = sum of scores in each examination/total number of examinations

Let the score for the last examination be x.

Average = (66+78+94+83+x)/5 = y

5y = 321+x

x = 5y -321

If y = 6, x = 5×6 -321 =-291.the student cannot score -291

If y = 80, x = 5×80 -321 =79.he can still score higher

If If y = 84, x = 5×84 -321 =99.This would be the highest possible course average after the last examination.

If y= 100

The average cannot be 100 as student cannot score 179(maximum score is 100)

8 0
3 years ago
Help please pretty please i do not understand
Natalija [7]
If i remember correctly i think you just cross multiply   <span />
7 0
3 years ago
Read 2 more answers
A line has a zero slope and passes through the point (4,-9). What is the equation of the line?
Ugo [173]

keeping in mind that a line with a slope of "0" is a horizontal line, Check the picture below.

5 0
2 years ago
Lexi2984 can u help me with this question
arsen [322]

9514 1404 393

Answer:

  see the attachment

Step-by-step explanation:

The x- and y-intercepts are easily found:

<u><em>X-intercept</em></u>

Set y = 0 and divide by the coefficient of x.

  -x +0 = 8

  x = -8

__

<u><em>Y-intercept</em></u>

Set x = 0 and divide by the coefficient of y.

  0 -2y = 8

  y = -4

__

Now, we have two points on the graph: (-8, 0) and (0, -4). A third point can be one that is halfway between these: (-4, -2). The graph is attached.

7 0
3 years ago
Multiply and simplify. Question is in the picture.
frez [133]
The answer should be b¹². You add the exponents of each constant. In the case of the simple b the exponent would be one.
5 0
3 years ago
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