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arsen [322]
3 years ago
5

It cost Evan $17.70 to send 177 text messages how many text messages did he send if he spent $19.10

Mathematics
1 answer:
tatuchka [14]3 years ago
3 0
He sent 191 text messages
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What is -3 1/3 - 2 it has to be a negative or positive whole number or fraction
Anestetic [448]

<em>《</em><em>°</em><em>♡</em><em> </em><em>i think that the answer to this question is -5 1/3</em><em> </em><em>(</em><em>-16</em><em>/</em><em>3</em><em>)</em><em> </em><em>hope this helps!</em><em> </em><em>♡</em><em>°</em><em>》</em>

8 0
3 years ago
The line 10x + py = q is a tangent at the point (5, 4) in another circle with centre
Monica [59]

Answer:

  (p, q) = (8, 82)

Step-by-step explanation:

When a circle is centered at the origin, the radius to point (a, b) will have slope m = b/a. The tangent is perpendicular to the radius, so the tangent at point (a, b) will have slope -a/b. In point-slope form, the equation of the tangent line will be ...

  y -k = m(x -h) . . . . . point-slope equation of line with slope m through (h, k)

  y -b = (-a/b)(x -a)

Rearranging this to standard form, we have ...

  b(y -b) = -a(x -a)

  by -b² = -ax +a²

  ax +by = a² +b²

__

For (a, b) = (5, 4), the standard form equation of the tangent can be written ...

  5x +4y = 5² +4² = 41

Your given equation has an x-coefficient that is twice the value shown in this equation, so we need to multiply this equation by 2:

  2(5x +4y) = 2(41)

  10x +8y = 82

Comparing to 10x +py = q, we see that ...

 p = 8

  q = 82

4 0
2 years ago
The probability of drawing two white cards without replacement is 14/95, and the probability of drawing one white card is 2/5. W
lesya [120]
A would be the answer

6 0
3 years ago
Read 2 more answers
What is 20.00 multiplied by 20.00
Gala2k [10]

Answer:

400.00

Step-by-step explanation:

20*20 is close to 2*2. Since we have zeros, we can multiply 2 and 2 to get 4. Then we add two zeros because of the zero in 20 and the zero in the other 20. This could also be written as 20^{2} because we're multiplying 20 by itself.

8 0
3 years ago
What is the area of a rectangle with a length of 5/8foot and a width of 4/9 foot?
VLD [36.1K]
The answer is 20/72 or 5/18
5 0
3 years ago
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