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Over [174]
3 years ago
11

Identify any solutions to the system given below. 2x + y = 5 3y = 15 - 6x

Mathematics
1 answer:
iren2701 [21]3 years ago
5 0

For this case we must solve the following system of equations:

2x + y = 5\\3y = 15-6x

We clear "y" from the second equation:

y = \frac {15} {3} - \frac {6x} {3}\\y = 5-2x

We substitute in the first equation:

2x + (5-2x) = 5\\2x + 5-2x = 5\\5 = 5

Equality is fulfilled, so for any value of x equality will be fulfilled.

So, the system has infinite solutions.

Answer:

Infinite solutions

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A doctor estimates that a particular patient is losing bone density at a rate of 3% annually. The patient currently has a bone d
kompoz [17]

Answer:

The function f(x) is represented by:

f(x)=1500(0.97)^x

Hence, a=1500 and b=0.97

Step-by-step explanation:

The patient currently has a bone density of 1,500 kg/mg^3.

A doctor estimates that a particular patient is losing bone density at a rate of 3% annually.

This means that the bone density that is remaining is:

100-3=97%

which is also represented as: 97%=97/100=0.97

Hence, the function f(x) that represents the bone density after x years is represented by:

f(x)=a(0.97)^x

where a is the initial bone density which is given to be: 1500 kg/mg^3.

Hence, the function is:

f(x)=1500(0.97)^x

6 0
3 years ago
Read 2 more answers
Which number would be greater, the height of a tree in feet or the height of the same tree in yards.
Lelechka [254]

Answer:

The height of the tree in feet would be the larger number

6 0
3 years ago
Emma is making a scale drawing of her farm using the scale 1 cm = 2.5 ft. In the drawing, she drew a well with a diameter of 0.5
xz_007 [3.2K]
1cm = 2.5 ft
0.5 cm = 1.25 ft

Circumference = πD
Circumference = π(1.25)
Circumference = 3.93 ft

Answer: 3.93 ft
3 0
3 years ago
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Convert 15000 ounces to tons
MrRa [10]

Answer:

0.46875 tons

Step-by-step explanation:

to find ounces to tons, you divide the mass by 32000

15000/32000=0.46875

I hope this helps!

5 0
3 years ago
Why was I wrong why is this right
shutvik [7]

Answer:

Idk?

Step-by-step explanation:

3 0
3 years ago
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