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Basile [38]
3 years ago
7

Find the value of (2x-1) -(y+3) when x=3 and y=1

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
6 0

Answer:

putting the Given values in equation

(3*3-1)-(1+3)

=8-4

=4

Setler [38]3 years ago
5 0

Answer:

1

Step-by-step explanation:

(2*3-1)-(1+3)

(6-1)-4

5-4

1

If this helps you mark as brainlist

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Question 29: In a club of 35 boys and 28 girls, 80% of the boys and 25% of the girls have been members for more than 2 years. If
klasskru [66]

Answer:

55%

Step-by-step explanation:

What we must do is get the total number of people, that is, boys and girls who have been a member for more than 2 years, that is:

children: 0.8 * 35 = 28

girls = 0.25 * 28 = 7

Now, passing knowing the%, would be dividing the sum of the above by the sum of the total club members:

(28 +7) / (35 + 28) = 0.55

Since it is a number below 1, it cannot be a mixed number.

3 0
3 years ago
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What is 1 1/2 subtracted from the sum of 4 2/3 and 5 2/5
olchik [2.2K]

Answer:

7 9/10

Step-by-step explanation:

First, we need to add 4 2/3 and 5 2/5.

We should begin with converting the fractions into improper fractions.

4 2/3 + 5 2/5= 14/3 + 27/5

Now, we find the common denominator

= 70/15 + 71/15

We can add:

= 141/15

And simplify. 

= 9 2/5

Finally, we subtract 1 1/2 from 9 2/5

Your answer is 7 9/10. Hope this helps!

Please Mark Brainliest

7 0
2 years ago
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If joe has12 checkers and 5/6 of them are red how many are red
natta225 [31]

Given:

The number of checkers is 12.

The number of red is 5/6 times of 12.

Multiply 5/6 and 12 to find the number of red.

\text{The number of red =}\frac{5}{6}\times12

\text{The number of red =}5\times2

\text{The number of red =}10

Hence there are 10 red in checkers.

7 0
1 year ago
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Solve the inequality 3x-1>-6x​
Ghella [55]

Answer:

x > 1/9

Step-by-step explanation:

Given that:

3x-1>-6x​

Adding 6x + 1 on both sides we get

3x-1 + 6x + 1>-6x​ + 6x +1

3x +  6x > 1

Adding both variables

9x > 1

Dividing both sides b 9 we get

9x/9 > 1/9

x > 1/9

I hope it will help you!​

3 0
3 years ago
In 2010 there were 2000 American lions in a conservation park in Wisconsin. The lion population is decreasing
frez [133]

Step-by-step explanation:

After each year, the new population of the lions is 100% - 8% = 92% of the population of the lions the year before.

Hence our exponential base should be 0.92, indicating exponential decay. (A)

8 0
3 years ago
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