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kherson [118]
3 years ago
5

Can someone help me with this it's making no sense to me

Mathematics
1 answer:
Dafna11 [192]3 years ago
7 0

Answer:

The most reasonable is 2 h

Step-by-step explanation:

If you see the graph is decreasing in hours while is increasing in years. When a person is 45 years the amount of daily physical activity is 3 hours, so a person that is 50 years needs to do less than 3 hours a day and the only option less than 3 hours is 2 hours.

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One number is 2 more than 3 times another. their sum is 22. find the numbers
scoray [572]
1st number = x, 2nd number = y
Translating the question mathematically it becomes:
x-2 = 3y, or to make it easier: x= 3y+2, x+y= 22

Thus:
(3y + 2) + y = 22 
4y + 2 = 22

Move the 2 on the other side, changing its sign to negative:
4y = 22 - 2
4y = 20

Divide by 4, to obtain only y:
4y : 4 = 20 : 4
y = 5

To obtain x:
x= (3*5) + 2= 15+2 = 17

Verify it: 17+5=22

7 0
3 years ago
A population of 100 insects tripled in size every month. Write a function formula to represent the insect population after x mon
Jet001 [13]

Answer:

3x+100

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
Help me with factoring these 3 equations please
just olya [345]

Answer:

0 for all of them.

Step-by-step explanation:

it will explain it

4 0
3 years ago
Please help me:(*********​
Licemer1 [7]

Answer:

x = 16

Step-by-step explanation:

I could be wrong so sorry in advance lol but this is what I did:

I made the equation 3x + 3 = ((7x-10)/2)

I divided the 2nd equation by 2 so that it would be the same length as RZ.

after that, I got: 3x + 3 = 3.5x - 5

from there, i did basic algebra to get the answer 16

hope this helps!

6 0
3 years ago
4(x+6)-3x=26 what is the x value
satela [25.4K]

Answer:

x=2

Step-by-step explanation:

4 (x + 6) - 3x = 26

solve the parenthesis

4x + 24 - 3x = 26

subtract 24 from both sides to get x by itself

4x - 3x = 2

solve

x = 2

4 0
3 years ago
Read 2 more answers
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