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nikdorinn [45]
2 years ago
9

I need the correct answers help pls

Mathematics
1 answer:
Aleksandr [31]2 years ago
7 0
The answer is -3x^2+18x-30
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Convert 3/5 into a fraction with a denominator of 20:<br> 06/20<br> O 12/20<br> 5/20<br> 3/20
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The correct answer is 12/20.

If you multiply the numerator and the denominator of 3/5 by 4/4:

3•4 = 12
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5•4 = 20

Therefore, the equivalent of 3/5 is 12/20.

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If sin^2(x) - 2sin(x) = 2, then sin(x) = _____.
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Let z = sin(x).
.. z^2 -2z = 2
.. z^2 -2z +1 = 3
.. (z -1)² = 3
.. z -1 = ±√3
.. z = 1 -√3 . . . . . the positive solution is extraneous

sin(x) = 1 -√3
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3 years ago
The table below shows the information given on a can of turkey chili.
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A i think

Step-by-step explanation:

8 0
3 years ago
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Write a recursive formula for an, the nth term of the sequence 3, -4, -11
yKpoI14uk [10]

Answer:

, 12, 48, 192...

a. Write a recursive formula for the nth term of the sequence

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------------------------------

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a(n) = 3*4^(n-1)

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c. Calculate S10 for this sequence

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Step-by-step explanation:

8 0
3 years ago
Tisha and her academic team are working to go to state finals. They must have a certain number of points to advance. They have h
Westkost [7]

Answer:

b equals T minus a minus c minus d all over 3 ⇒ 3rd answer

Step-by-step explanation:

* Lets explain how to solve the problem

- Tisha and her academic team have had three local matches

# Assume that the points of the local matches are a , c , d

- They will attend a district match

- District match points count for three times the number of points

  than local matches do

# Assume that the points of the district match is b

- T is the total points they will earned in the four matches

∵ The points in the local matches are a , c , d

∵ The point in district mach is 3b

∴ T = a + c + d + 3b

* <u><em>Lets find b in terms of a , c , d , T</em></u>

∵ T = a + c + d + 3b

- Subtract a from both sides

∴ T - a = c + d + 3b

- Subtract c from both sides

∴ T - a - c = d + 3b

- Subtract d from both sides

∴ T - a - c - d = 3b

- Divide both sides by 3

∴ b=\frac{T-a-c-d}{3}

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4 0
3 years ago
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