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GenaCL600 [577]
3 years ago
11

In a room of 40 girls, 10 girls like music only while 5 likes both music and arts. If 4 girls like neither, how many

Mathematics
1 answer:
iVinArrow [24]3 years ago
6 0

Answer:

21

Step-by-step explanation:

Hope this helped have an amazing day!

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which of the following would represent a line in the real world? an airplane a sheet of paper a pencil the internet
lubasha [3.4K]

the answer is pencil.

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Solve the system of linear equations by substitution x=5y+2 and x-4y=5
never [62]

Answer:

(17,3)

Step-by-step explanation:

Equation 1.

x=5y+2

Equation 2.

x-4y=5

To solve with substitution, it looks like the x-variable in the first equation is already isolated. So, plug the first equation into the x-variable in the second equation.

x-4y=5

(5y+2)-4y=5

y+2=5

y=3

Now that we found y, plug y into one of the equations to solve for x.

x=5y+2

x=5(3)+2

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3 years ago
Solve the differential equation: dy/dx = 4y2x1/3
labwork [276]
The first thing you should do is use the method of variable separation. Then, integrate both sides to find the solution.
 In this case the answer is
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4 0
3 years ago
What is the value of K?<br> k =<br> 8<br> o<br> 4<br> k<br> N<br> 1<br> M
Vsevolod [243]

Answer:

m

Step-by-step explanation:

it should be

7 0
3 years ago
Alexandra and Stephanie are sisters, and they're saving their money to buy a used car. Together they have more than $2,500, and
Vilka [71]

Answer:

Stephanie has more than $900

Step-by-step explanation:

Represent the unknowns:  a for Alexandra and s for Stephanie.

Then a + s > $2,500, and a = s + $700.

Substituting the latter into the former equation, we get:

(s + $700) + s > $2,500, or

2s > $1800

Then s > $900; Stephanie has more than $900.

7 0
2 years ago
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