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2 years ago

3(x – 5) = 2(x – 5) + x solve for x and number of soultions

Mathematics

2 answers:

ElenaW [278]2 years ago

5 0

Answer: X=0

Explanation:

ArbitrLikvidat [17]2 years ago

4 0

Answer:

Step-by-step explanation

3x-15=2x-10+x

3x-15=3x-10

in this step, problem happens

becoz both side doesnt equal, no ans can be proven

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Marley is an avid birdwatcher and is trying to estimate the number of bluejays living in his region he traps 22 Blue Jays and ta

qwelly [4]

Answer:

15 Blue Jays

Step-by-step explanation:

Number of Blue Jays tagged = 22

Number of Blue jays captured = 550

Estimate of the Blue Jay population = 825

We need to find out how many Blue Jays out of 550 were tagged ones. Remember that in the beginning there were no tagged Blue Jays and Marley tagged 22 of them. This means total number of tagged Blue Jays in the entire population is 22. Rest of the blue Jays are not tagged. Marley calculated the estimated Blue Jay population using the proportions.

Assume that from 550, x Blue Jays were tagged. Out of 825 Blue Jays, 22 are tagged. The proportion of tagged Blue Jays in 550 must be equal to the proportion of tagged Blue Jays in entire population. i.e.

$x : 550 = 22 : 825\\\\ \frac{x}{550}=\frac{22}{825}\\\\ x=\frac{22}{825} \times 550\\\\x =14.7$

Since, the number of Blue Jays cannot be in decimal, we round it up to the nearest integer 15.This means, out of 550 trapped 15 Blue Jays were the tagged ones. Based on this Marley estimated the Blue Jays Population size.

5 0

2 years ago

If a rectangle measures 1 1/2 by 4 find the area

shusha [124]

Answer:

Step-by-step explanation:

Formula: A=wl

A=1.5*4

A=6

4 0

2 years ago

Read 2 more answers

Last year 726 voted in the student council election at school. This year 721 students voted what was the percent of increase in

Slav-nsk [51]

Divide the current year by the previous year then multiply it by 100.

4 0

2 years ago

Are the triangles similar? If yes, write a similarity statement and explain how you know how they are similar. If not, explain.

Triss [41]

Answer:

Please find attached pdf

Step-by-step explanation:

Download pdf

4 0

2 years ago

Janae has a soap bottle that has $474$ mL of liquid soap. Each push of the pump uses $8$ mL of soap. There needs to be at least

bixtya [17]

Answer:

53 pushes

Step-by-step explanation:

Total Volume of soap = 474 mL

Volume per push = 8mL

Mimimum volume required = 50mL

The equation which represents the number of push, x that can be made :

Total volume = minimum volume + (volume per push * number of pushes)

Total volume = 50 + (8 * x)

474 ≤ 50 + 8x

474 - 50 ≤ 8x

424 ≤ 8x

53 ≤ x

The number of pushes that can be made = 53

6 0

2 years ago