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s344n2d4d5 [400]
3 years ago
15

A bag contains 6 red marbles, 6 white marbles, and 4 blue marbles find P(red or blue).

Mathematics
1 answer:
Sedbober [7]3 years ago
4 0
We are given with a number of marbles in different colors. The sample space includes all the marbles inside the bag, hence tehere are 16 marbles. The probability of getting a red or blue marble is the sum of probability of getting a red marble alone and that of a blue marble alone. Hence the answer is (6+4)/16 equal to 5/8
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The graph shows how the mass of copper
Alex777 [14]

Answer: 8 1/4g/cm³

Step-by-step explanation:

Given the graph :

The rate of change in the mass of copper with respect to volume :

To obtain this, we find the slope or gradient of the graph:

Gradient = Δy / Δx = (y2 - y1) / (x2 - x1)

Drawing a right angled triangle on the anybpart of the line of best fit:

y2 = 40 ; x2 = 4.75 ; y1 = 16 ; x1 = 2

(y2 - y1) / (x2 - x1)

= (40 -16) / (4.75 - 2)

= 24 / 2.75

= 2400/275

= 8.727 g/cm^3

Due to unit and graph scale,, the slope is closest to 8 1/4g/cm³

6 0
2 years ago
There are 12 pieces of fruit in a bowl.Five are lemons and the rest are limes.You choose a piece of fruit without looking. The p
Zielflug [23.3K]
7 is the correct answer
5 0
3 years ago
Read 2 more answers
Find the roots of f(x)=2x^2+7x+3 by using the quadratic formula
Oksana_A [137]

Answer:

f(x) = 2 ( x + 7/4)2  - 25/8

Step-by-step explanation:

4 0
2 years ago
the ratio of red marbles to blue marbles in a bag is 3:4. if there are 42 marbles in the bag, how many of the marbles are red?
AlexFokin [52]

Answer:

18

Step-by-step explanation:

Sum the parts of the ratio, 3 + 4 = 7

Divide the amount of marbles by 7 to find the value of one part of the ratio

42 ÷ 7 = 6 ← value of 1 part of the ratio, thus

red marbles = 3 × 6 = 18

8 0
3 years ago
How would you solve this
Step2247 [10]

Step-by-step explanation:

to solve you just add the length of each line segment. In this problem 1.7+3.2=4.9

6 0
3 years ago
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