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sweet-ann [11.9K]
3 years ago
6

A large bag of marbles contains an equal amount of red, orange, yellow, blue, and green marbles. Jaden randomly selects 1 marble

from the bag. Which of the following represents the probability of selecting a red, blue, or yellow marble?
A. 0.5
B. 0.4
C. 0.3
D. 0.6
Mathematics
1 answer:
Bogdan [553]3 years ago
8 0

Answer:

Option D

0.6

Step-by-step explanation:

Given that there are 5 colour marbles in a large bag.

The colours are red, orange, yellow, blue and green.

Also given that there are equal amounts of each colour

Let n be the no of marbles of each colour.

Then total no of marbles = 5(n) = 5n

No of red,blue and yellow marbles = n+n+n = 3n

Prob of drawing a red or blue or yellow = P(red)+P(blue)+P(yellow)

= \frac{n}{5n} +\frac{n}{5n} +\frac{n}{5n}  = \frac{3n}{5n}

= 0.60

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sdas [7]

Answer:

  (a)  The two triangles are similar by AA

Step-by-step explanation:

Similar triangles have congruent corresponding angles and proportional corresponding side lengths.

<h3>Third angle</h3>

The third angle in triangle ABC is found using the fact that the sum of angles is 180°.

  ∠C = 180° -∠A -∠B

  ∠C = 180° -97° -46° = 37°

Two of the angles, A and C, match the measures of two of the angles in triangle DEF. The matches are ...

  ∠A = ∠D = 97°

  ∠C = ∠F = 37°

The two triangles are similar by AA.

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<em>Additional comment</em>

The similarity statement can be ΔABC ~ ΔDEF.

8 0
1 year ago
URGENT!
Elan Coil [88]

Answer:

The answer to your question is:  9.01 x 10⁸ ice cream cones

Step-by-step explanation:

Data

# of ice cream cones = 1700

5.3 x 10 ⁵ minutes ---------- 1 year

# of ice cream cones purchased in one year = ?

                              1700  cones ---------------------  1 min

                                 x                ----------------------  5.3 x 10 ⁵ minutes

             x = (5.3 x 10 ⁵)(1700)/1 = 901 000 000 ice cream cones

In scientific notation

                                   9.01 x 10⁸ ice cream cones

7 0
3 years ago
john withdrew $175.75 from his bank account. now he has $450.25 left in his account. what was the original balance in his accoun
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Answer:

$626

Step-by-step explanation:

450.25+175.75=626

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(x/100-1)(x/100+1)=kx^2-1
(x/100-1)(x/100+1)=(x/100)^2 - 1^2 because it's a difference of squares ( (a-b)(a+b) = a^2-ab+ab-b^2 = a^2 - b^2):
(x/100)^2 - 1^2=kx^2 - 1
(x/100)^2 - 1=kx^2 - 1
(x/100)^2=kx^2
(x^2)/(100^2)=kx^2
1/(100^2)=k
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k=0.0001
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3 years ago
Help!!! i dont know what im doing!!
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Answer:

B is incorrect because you could set them equal to each other

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