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nalin [4]
3 years ago
14

There are 32 red or blue marbles in a bag. The number of red marbles is 4 more than 3 times the number of blue marbles. Write an

d solve a system of linear equations. How many red marbles are in the bag? How many blue marbles are in the bag?
Mathematics
1 answer:
eimsori [14]3 years ago
5 0

Answer:

# red marbles = 25

# blue marbles = 7

Step-by-step explanation:

r + b = 32

r = 4 + 3b

substitute '4 + 3b' for 'r' in the 1st equation

4 + 3b + b = 32

4 + 4b = 32

4b = 28

b = 7

red = 32 - 7

r = 25

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865 divided into 2330 to the nearest percent
dmitriy555 [2]

Answer:

269%

Step-by-step explanation:

2330

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A student was asked to rewrite using only the associative property of multiplication. Which is the correct response?
tatiyna

Given that the associative property of multiplication says that you can group the numbers in any combination, we can reorganize the expression as: 7·(10·3)=210. So the answer would be the first option.

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1 year ago
(r-3)(r-1)<br> Help me please!!!
madreJ [45]

Answer:

= r²−4r+3

Step-by-step explanation:

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3 years ago
A car travels 2 1/3 miles in 3 1/2 minutes at a constant speed. Write an equation to represent the car travels in miles and minu
Flura [38]

Answer:

The speed of car in miles per minute is  \frac{2}{3} miles per minute and

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Step-by-step explanation:

Given as :

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The Time taken by car to cover distance =  3 \frac{1}{2} min =  \frac{7}{2} min

The speed o car in miles per minute = S miles/min

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yanalaym [24]
The answer would be 1 of 6
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