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Talja [164]
3 years ago
15

The sum of the square of a positive number and the square of 3 or more than the numbers is 17. What is the number

Mathematics
1 answer:
Crank3 years ago
3 0

Answer:

 1

Step-by-step explanation:

Let x represent the number. The given relation is ...

 x² +(x+3)² = 17

 2x² +6x +9 = 17 . . . . simplify

 x² +3x -4 = 0 . . . . . . subtract 17 and divide by 2

 (x +4)(x -1) = 0 . . . . . factor

The solutions make these factors zero: -4 and +1. The positive solution is 1.

The number is 1.

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What is the slope of the line through (2,5) and (-1,2)?
Luden [163]

Answer:

The slope of the line is m = 1

Step-by-step explanation:

Slope is essentially change in height over change in horizontal distance, and is often referred to as "rise over run." It has applications in gradients in geography as well as civil engineering, such as the building of roads. In the case of a road the "rise" is the change in altitude, while the "run" is the difference in distance between two fixed points, as long as the distance for the measurement is not large enough that the earth's curvature should be considered as a factor. The slope is represented mathematically as:

m = y2-y1 / x2-x1

m = 2 - 5 / -1 - 2

m = -3 / -3

m = 1

X1 is 2

Y1 is 5

X2 is -1

Y2 is 2

6 0
3 years ago
Good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.
Tanzania [10]

Tyler concludes that 5x² will always have a larger output for the same value of x.

<u>Look at the graph below and the table given</u>

Take a random value: x = 0

  • When 5x², y = 0
  • When 2^x, y = 1

Here, 1 > 0, making 2^x > 5x²

Hence, 2^x is greater than 5x² at this point. making Tyler's point not applicable.

Disagree with Tyler's point.

7 0
3 years ago
Read 2 more answers
Help me plss ty in advance:))​
sukhopar [10]

Answer:

  1. A
  2. A
  3. C
  4. B
  5. C
  6. 7

Step-by-step explanation:

<u>Q1</u>

A graph which uses horizontal or vertical bars with no gaps to represent data is called bar graph.

<u>Q2</u>

Data plotted against the frequency in a histogram is class interval.

<u>Q3</u>

The data plotted against the frequency in an ogive is cumulative frequency.

<u>Q4</u>

A score of 50 under the column > c.f. with the boundaries 23.5 - 28.5 means 50 students got a score greater than 23.5.

<u>Q5</u>

Mean = 2(2) + 3 + 4 + 7(3) + 10 + 11 + 2(12) / 11

Mean = 4 + 7 + 21 + 21 + 24 / 11

Mean = 77/11

The mean is 7

<u>Q6</u>

The median is the middle term.

The median of the distribution is 7

4 0
2 years ago
Solve the equation below.<br> k - 6.2 = 24.8
Korolek [52]

Answer:

k = 31

Step-by-step explanation:

k - 6.2 = 24.8

   +6.2    +6.2 (Add 6.2 to both sides to isolate the variable: k)

__________

k = 31

4 0
3 years ago
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Evaluate the expression
maks197457 [2]
Plug your number 
5(7) + 5^2/5
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8 0
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