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dem82 [27]
2 years ago
8

Jose has completed 6 deliveries so far this week. He needs to make 40 deliveries for the week. What percentage of his deliveries

has Jose completed?​
Mathematics
1 answer:
ANEK [815]2 years ago
8 0
Yes 10? 11x1x6= 26 hbu the first one to the end of a century
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Three numbers are in an arithmetic progression with a common difference of 6. if 4 is subtracted from the first number, 1 is sub
UkoKoshka [18]

Answer:

  either of {-9.5, -3.5, 2.5} or {7, 13, 19}

Step-by-step explanation:

Let x represent the first number of the arithmetic sequence. Then the second number is x+6, and the third number is x+12. The geometric sequence is then ...

  (x -4), (x +5), 3(x+9)

The common ratio is then ...

  (x +5)/(x -4) = 3(x +9)/(x +5)

Cross-multiplying gives ...

  (x +5)² = 3(x -4)(x +9)

  x² +10x +25 = 3x² +15x -108 . . . . eliminate parentheses

  0 = 2x² +5x -133 . . . . . . . . . . . . . . subtract the left side

  0 = (2x +19)(x -7) . . . . . . . . . . . . . . factor

  x = -9.5 . . or . . 7

The possible original three numbers are ...

  {-9.5, -3.5, 2.5} . .  or . . {7, 13, 19}

8 0
3 years ago
The graph below shows the distance, y, in miles, of a bird from its nest for a certain amount of time, x, in minutes: Graph titl
Degger [83]

<u><em>Answer:</em></u>

The initial value is 3

It represents the distance between the bird and its nest before any elapsed time which is 3 miles.

<u><em>Step-by-step explanation:</em></u>

The graph is shown in the attached image.

<u>The general form of a straight line is:</u>

y = mx + c

where:

m is the slope and c is the y-intercept.

The y-intercept is also known as the initial value. It is the value of y at x=0.

From the givens, we can note that at x = 0, the y-value is 3. This means that the y-intercept is 3.

Now, in the problem, x represents the time in minutes while y represents the distance of the bird from the nest in miles.

At x = 0, meaning before any time elapsed, the distance of the bird from its nest was 3 miles.

Hope this helps :)

4 0
3 years ago
Read 2 more answers
Melvin conducted a series of surveys asking political candidates about the number of constituents they mail literature to. Each
damaskus [11]

Answer:

361.09

Step-by-step explanation:

Explanation:

Calculate the standard error of the mean, SE, using this formula, where  is the standard deviation and n is the sample size.

For this situation, the sample size is 65, and the standard error of the mean is 44.8. Substitute these values into the formula, and solve for .

So the standard deviation is approximately 361.09.

5 0
3 years ago
Read 2 more answers
Help I will give brainliest!!
Elena-2011 [213]

Answer:

I think it is A and D but i'm sorry if i'm wrong

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Roman missed 7 out of 90 problems on a math test. What percent of the questions did he answer correctly
Pavlova-9 [17]

Answer:

%93

Step-by-step explanation:

90-7=83

83/90=.93

8 0
3 years ago
Read 2 more answers
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