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jenyasd209 [6]
3 years ago
11

A bag contains 5 red marbles, 7 blue marbles and 2 green marbles. If two marbles are

Mathematics
1 answer:
MariettaO [177]3 years ago
3 0

Answer:

0.218

Step-by-step explanation:

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X-124=9(2x+3)-15 ???​
musickatia [10]

Answer:

x = - 8

Step-by-step explanation:

x - 124 = 9(2x + 3) - 15

x - 124 = 18x + 27 - 15

x - 124 = 18x + 12

x - 124 + 124 = 18x + 12 + 124

x = 18x + 136

x - 18x = 18x - 18x + 136

- 17x = 136

- 17x ÷ - 17 = 136 ÷ - 17

x = - 8

8 0
3 years ago
1. Write a paragraph proof for the following conjecture.
Lesechka [4]

QS bisects the ^PQR^ :

So -----¢ PQS = SQR = 45°

_________________________________

PQR = PQS + SQR = 45°+ 45° = 90 °

Q^ = 90° ----¢ So the PQR triangle is a

right triangle.

4 0
3 years ago
Two numbers have the same digit in the millions. The same digits in a thousand. In the in the same digit in the ones. Do these t
Blababa [14]
No it does not have the same value
7 0
3 years ago
Read 2 more answers
The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical, normal distribution. Th
Gwar [14]

Answer:

D) $110 and $190

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 150

Standard deviation = 20

95% of the monthly food expenditures are between what two amounts?

By the Empirical Rule, within 2 standard deviations of the mean

150 - 2*20 = $110

150 + 2*20 = $190

So the correct answer is:

D) $110 and $190

5 0
4 years ago
Read 2 more answers
Line a passes through the points (-2,1) and (1,-1). Line b passes through the points (-3,2) and (-1,0). DO lines a and b interse
velikii [3]

Answer:

You can draw a graph.

  (-3,2)                     |

            (-2,1)            |          

      ___.__(-1,0)__ | __.____.___

                                |     (1,-1)

                                |

                                |

As shown, the lines are intersecting. You can also tell that they are intersecting because if you draw a triangle, they are on the same line. (-3,2) and (-2,1) are directly diagonally from each other.

Hope this helps!

3 0
2 years ago
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