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nadya68 [22]
3 years ago
10

What is the foil method of (X+3)(x-4)

Mathematics
1 answer:
solong [7]3 years ago
3 0

Answer:

(x-1) x-12

Step-by-step explanation:

Step 1 :  Multiply first term of the first bracket to the first term of the other bracket

Step 2 :  Then multiply the first term of the first bracket to the last term of the second bracket.

Step 3 :  Now come to the second term of first bracket, multiply second term with first term of second bracket.

Step 4 :  Finally multiply last term of first bracket with the last term of the second bracket.

Step 5 :  Adding all the answers got from the steps, we get the final answer.

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Find the point at which the line with parametric equations x = 2 3t, y =-4t, z =5 t intersects the plane 4x 5y -2z=18
sashaice [31]

It looks like you have

\begin{cases}x=2+3t\\y=-4t\\z=5+t\end{cases}

Substituting these in to the plane equation, we have

4x+5y-2z = 4(2+3t) + 5(-4t) - 2(5+t) = -2-10t = 18 \\\\ \implies-10t = 20 \implies t = -2

When t=-2, we get the point

\begin{cases}x=2+3(-2)\\y=-4(-2)\\z=5+(-2)\end{cases} \implies (x,y,z) = \boxed{(-4,8,3)}

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Pani-rosa [81]

Answer:

1. comeptition. base word: compete

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3.rotation. base word: rotate

4.application. base word: apply

5. division. base word: divide

6. organisation. base word: organise

7. production. base word: produce

8. solution: base word: solve

9. opposition. base word: oppose

10. operation. base word: operate

Step-by-step explanation:

5 0
3 years ago
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After t years, the remaining mass y (in grams) of an initial mass of 35 grams of a radioactive element whose half- life is 80 ye
IgorC [24]

Answer: There will be 22.694 grams of initial mass remains after 50 years.

Step-by-step explanation:

Since we have given that

y=35(\dfrac{1}{2})^{\frac{t}{80}

We need to find the quantity of initial mass remains after 50 years.

So, t = 50 years,

We get that

y=35(\dfrac{1}{2})^{\frac{50}{80}}\\\\y=35(0.5)^{0.625}\\\\y=22.694

Hence, there will be 22.694 grams of initial mass remains after 50 years.

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4 years ago
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Leya [2.2K]

Answer

all 3 of those are not true

Step-by-step explanation:

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