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3 years ago

Your brother has X dollars you have 3 times the amount he has.Which expression represents the amount of money you have?

Mathematics

1 answer:

shtirl [24]3 years ago

7 0

Answer:

3*X= the amount of you have

Step-by-step explanation:

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6. Find the area of a rectangle with length 2x - 7 and width 3x +4.

alekssr [168]

Answer:

$A=6x^{2} -13x-28$

Step-by-step explanation:

A=L(W)

A=2x-7(3x+4)

Use distributive property

$A=6x^{2} +8x-21x-28$

Combine like terms

$A=6x^{2} -13x-28$

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3 years ago

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Please help, thank you! Correct answer gets brainliest!

kumpel [21]

Answer:

(-1, 3) and (1, 5).

Step-by-step explanation:

Remember that graphically, the solutions for a system of equations are all the points where the graphs intersect.

In the graph of the system of equations, we see that the they intersect once at (-1, 3) and again at (1, 5).

Therefore, our two solutions to the system are (-1, 3) and (1, 5).

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3 years ago

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12. Graph one period of the function. y= - |6 sin 2πx| Choose the correct graph.

DaniilM [7]

Answer:

Step-by-step explanation:

you use desmos to help you graph or for calculations (that's what I use lol)

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3 years ago

Distance between (-4, -3) (2, 1)

VikaD [51]

Answer:

$\Longrightarrow: \boxed{\sf{2\sqrt{13}}}$

Step-by-step explanation:

Question:

Find the distance between (-4,-3) (2,1)

To find:

The distance between (-4,-3) (2,1).

Use the distance formula.

Distance formula:

$\Longrightarrow: \sf{\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}}$

$\sf{y_2=1}\\\\\sf{y_1=(-3)}\\\\\sf{x_2=2}\\\\\sf{x_1=(-4)}$

$\Longrightarrow: \sf{\sqrt{\left(2-\left(-4\right)\right)^2+\left(1-\left(-3\right)\right)^2}$

Solve.

$\Longrightarrow: \boxed{\sf{2\sqrt{13}}}$

Therefore, the final answer is 2√13.

I hope this helps, let me know if you have any questions.

8 0

2 years ago

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77.86 divided by 0.85 show work

Nina [5.8K]

Answer:

91.6

Step-by-step explanation:

7786/85

6 0

3 years ago