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Free_Kalibri [48]
3 years ago
11

Mr. Sanchez has a bag of marbles. The bag contains 4 red marbles, 3 green marbles, and 3 blue marbles. Mr. Sanchez will be rando

mly selecting one from his bag. What is the probability in decimal form that the marble selected will be red?
Mathematics
2 answers:
Artist 52 [7]3 years ago
8 0

Answer:

0.4 aka 4/10 or 2/5

Step-by-step explanation:

total is 10 and there is 4 red marbles

Deffense [45]3 years ago
3 0

Answer:

4/10

Step-by-step explanation:

the total is 10 and there are 4 red marbles.

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Convert 407 in base 8 to decimal​
Tems11 [23]

4\cdot8^2+0\cdot8^1+7\cdot8^0=256+7=263

407_8=263_{10}

5 0
3 years ago
X divides into the line PQ in the ratio 2:3 P is (2,1) and Q is (12.5,7.5) work out the coordinates of point X
Lyrx [107]
According to ratio theorem;
x = 2/5(Q) + 3/5(P)
   = 2/5(12.5,7.5) + 3/5(2,1)
   = 2( 2.5, 1.5) + 3( 0.4, 0.2)
   = (5,3) + (1.2,0.6)
   = (6.2, 3.6)
The Coordinates of X will be;
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3 0
3 years ago
Read 2 more answers
For (triangle)DEF, you are required to construct the median DG to EF. Which of the following must be performed first?
iren2701 [21]

Answer: C. Bisect DE at G.

Step-by-step explanation:

  • In a triangle, a median is a line segment drawn from a vertex to the midpoint of the opposite side of the vertex.

So, for triangle DEF , if we draw the median DG to the opposite side EF.

Here EF is the opposite side to vertex D.

So, G must be the midpoint of line segment EF.

So , we need to first mark G on EF.

i.e. we need to bisect EF at G.

So first step would be : Bisect EF at G.

8 0
3 years ago
brodrick answered 21 of the 25 questions of his history correctly. what decimal represents the fraction of problems he answered
Andrews [41]
25 - 21 = 4 questions of his history incorrectly ;
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3 0
3 years ago
Read 2 more answers
Ms. Peters drove from her home to the park
worty [1.4K]

It takes 15 minutes for Ms. Peter to drive from park to her home

Given :

from her home to the park at an average speed of 30 miles per hour and

returned home along the same route at an average speed of 40 miles per hour

it takes 20 minutes to travel

Convert 20 minutes in to hour (divide by 60)

20 minutes = 1/3 hour

We know that distance = speed x time

 From home to park, distance  =speed \cdot time =30 \cdot \frac{1}{3} =10 miles

So , distance between home  and park is 10 miles

Now we calculate the time taken to return from park to home

time taken =\frac{distance}{speed} =\frac{10}{40}=\frac{1}{4}\\

Time taken is 1/4 hours. Convert it into minutes by multiplying by 60

\frac{1}{4} \cdot 60=15

So it takes 15 minutes for Ms. Peter to drive from park to her home

Learn more : brainly.com/question/18839247

5 0
3 years ago
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