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Pavel [41]
3 years ago
12

Please find the question

Mathematics
1 answer:
melisa1 [442]3 years ago
6 0

Answer:

By distance formula ,

AB² = (5+1)² + (3-6)²

AB² = 36 + 9

AB = 6.71 units

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Find the value of a/b when a = 2/3 and b= 7/9
Usimov [2.4K]

Answer:

6/7

Step-by-step explanation:

2/3X9/7

simplify 9 by 3

which equals:

2/1X3/7

=6/7

7 0
3 years ago
Simply please “picture”
oksian1 [2.3K]
<h3>Answer: (-infinity, 7]</h3>

=====================================

Explanation:

The first interval (-infinity, 3) describes any number less than 3, so we can write x < 3 in short hand (where x is the unknown number).

The second interval (-1, 7] means we start at -1 and stop at 7. We do not include -1 but include 7. So we say that -1 < x \le 7 (ie x is between -1 and 7; exclude -1, include 7)

If you were to graph each ona number line, you would see that the too intervals have overlapping parts. The right most edge extends out as far as x = 7. There is no left most edge as it goes onforever that direction.

Therefore, the to intervals combine to get x \le 7 which turns into the interval notation answer of (-infinity, 7]

-----------

It might help to think of it like this: x < 3 and -1 < x \le 7 say "x is some number that is less than 3, or it is between -1 and 7". So x could be anything less than 7, including 7 itself.

4 0
3 years ago
4-2(x+7)=3(x+5) using the equation solver
Viefleur [7K]

Answer:

  x = -5

Step-by-step explanation:

We don't know what equation solver you're supposed to use. Here are the results from one available on the web.

8 0
3 years ago
Read 2 more answers
ABC is isosceles.<br>m &lt; a = 3x + 40 and m &lt; c = x + 50<br>what is m &lt; a ??​
il63 [147K]

Answer:

  • 55°

Step-by-step explanation:

<u>It is assumed the angles A and C are congruent:</u>

  • 3x + 40 = x + 50
  • 3x - x = 50 - 40
  • 2x = 10
  • x = 5

m∠A = 3*5 + 40 = 55°

7 0
3 years ago
Read 2 more answers
Consider the equation: 12x=13-x^212x=13−x 2 12, x, equals, 13, minus, x, squared 1) Rewrite the equation by completing the squar
Flauer [41]

Answer:

(x + 6)^2 = 49

x = 1    or x = -13

Step-by-step explanation:

Given

12x = 13 - x^2

Using Completing the Square

12x = 13 - x^2 ---- Add x^2 to both sides

x^2 + 12x = 13 - x^2 + x^2

x^2 + 12x = 13

Divide the coefficient of x by 2; then add the square to both sides

x^2 + 12x + 6^2 = 13 + 6^2

x^2 + 12x + 36 = 13 + 36

x^2 + 12x + 36 = 49

Factorize

x^2 + 6x + 6x + 36 = 49

x(x + 6) + 6(x + 6) = 49

(x + 6)(x + 6) = 49

(x + 6)^2 = 49

Hence, the equation is (x + 6)^2 = 49

Solving further

Take square root of both sides

(x + 6) = \sqrt{49}

x + 6 = \±7

x  = \±7- 6

This implies that

x = 7 - 6     or x = -7 -6

x = 1    or x = -13

HEnce, the solutions are x = 1    or x = -13

6 0
2 years ago
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