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seropon [69]
3 years ago
13

What would be the expression after distributing, 2(3m-4)?

Mathematics
2 answers:
artcher [175]3 years ago
4 0

Answer: 6m - 8

Step-by-step explanation:

Bumek [7]3 years ago
3 0

Answer:

Step-by-step explanation:

2(3m - 4) = 2*3m - 2*4

              = 6m - 8

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Need help please! Can someone explain?
Lynna [10]

A=(3.14)r^2

A=(3.14)3^2

A=(3.14)9

A=28.26ft^2

Hope it helps and is correct :)

3 0
3 years ago
The attractive electric force between point charges q and -2q has a magnitude of 2.2 N when the separation
swat32

Answer:

The Magnitude of charge = q = 15.47 micro coulomb  

Step-by-step explanation:

The attractive force between two points q and - 2 q = F = 2.2 Newton

The separation between two charges = 1.4 meters

Now from Coulomb's law = F = (k \frac{q1 q2}{r^{2}})  where k= 9 \times 10^{9} \frac{N m^{2}}{c^{2}}

So , 2.2 = 9 \times 10^{9} ( (\frac{(q) ( - 2q)}{1.4^{2}})

So , q ² = (\frac{0.479 \times 10^{-9}}{-2})

      For charge magnitude

   I.e q ² = 2.395 \times 10^{-10}

 so, q =  1.547 \times 10^{-5}

      q = 15.47 \times 10^{-6} c

Or,  q = 15.47 micro coulomb

Hence  the Magnitude of charge = q = 15.47 micro coulomb   Answer

4 0
4 years ago
Steve works between 30 and 40 hours per week. The function f, where f(x)= 8.5x represents the amount of money Steve ears given t
Bess [88]

Answer: d) 255 ≤ f(x) ≤ 340

Step-by-step explanation:

The function

f(x)= 8.5x

represents the amount of money that Steve earns given the number of hours, x, he works.

The dependent variable is the total amount that he earns, f(x) while the independent variable is the number if hours, x that he works. The range is the possible values of the dependent variable that satisfies the equation.

Steve works between 30 and 40 hours per week. This means that

the lowest amount that he earns is 8.5×30 = $255

The highest amount that he earns is 8.5× 40 = 340. Therefore, the range is

255 ≤ f(x) ≤ 340

4 0
3 years ago
Which term does not represent the same data as the others?
Ksenya-84 [330]

Answer: x-value

Step-by-step explanation:

the x-value is the input, domain and 1st element.

8 0
3 years ago
The Jurassic Zoo charges $8 for each adult
eimsori [14]

Answer:

21 adults and 139 children

Step-by-step explanation:

x=adult (8$)

y=child (5$)

8x + 5y =863

x+y=160

-x       -x (subtract x on both sides)

y= -x + 160

plug that in for y on the other equation

8x + 5(-x + 160) =863

distribute 5 to both

8x + -5x + 800 = 863

combine both x values

3x + 800 = 863

     -800     -800 (subtract on both sides)

3x = 63

divide by 3 on both sides

x = 21 adults

now plug x in one of the equations

21 + y = 160

-21         -21

y=139 children

6 0
3 years ago
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