3 years ago

Can someone help please

Mathematics

1 answer:

dexar [7]3 years ago

5 0

Answer: First is 6a-2b then it's 2a + b then it's 2b+a then it's 3 (a x b) and finally its 4b-a

Step-by-step explanation: Yeah, hope that helped. :)

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saul85 [17]

Answer:

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2 years ago

What is the value of y in the solution to the following system of equations?

lukranit [14]

Answer:

Option D is the correct answer.

Step-by-step explanation:

The equations are:

5x - 3y = -11 Eqn 1

2x - 6y = -14 Eqn 2

We have to find the value of y so we will eliminate x.

Multiplying Eqn 1 by 2

2(5x-3y=-11)

10x-6y=-22 Eqn 3

Multiplying Eqn 2 by 5

5(2x-6y=-14)

10x-30y=-70 Eqn 4

Subtracting Eqn 4 from Eqn 3

(10x-6y)-(10x-30y)= -22-(-70)

10x-6y-10x+30y = -22 + 70

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$\frac{24y}{24}=\frac{48}{24}\\y=2$

Therefore,

Option D is the correct answer.

4 0

3 years ago

Can you please help me on 6(1+n)=8n-3(n-7)

Nana76 [90]

Answer:

n = 15

Step-by-step explanation:

6(1+n)=8n-3(n-7)

Distribute

6 +6n = 8n -3n +21

Combine like terms

6+6n = 5n +21

Subtract 5n from each side

6+6n-5n = 5n-5n +21

6 +n = 21

Subtract 6 from each side

6-6+n = 21-6

n = 15

3 0

3 years ago

4, 3, 2, 5, 6, 6, 10, 5, 6, 2, 3, 4, 6, 7, 14,5<br><br> 3. What is the mode(s) of the data set?

guapka [62]

Answer:

Step-by-step explanation:

6 shows up 4 times

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3 years ago

Read 2 more answers

Daniel left a $9 tip for the waiter at a restaurant. If the tip was 15 percent of the bill, how much was the bill?

Pie

Without the tip it was $60. If you are being asked to add the tip it will be $69

5 0

3 years ago