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Lera25 [3.4K]
4 years ago
15

(3x^2+11x+4)+(-5x+x^2-13) standard form

Mathematics
1 answer:
Rasek [7]4 years ago
3 0
The answer is 4x^2+6x-9
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-4x - 6 = -5y + 9 y=
xxMikexx [17]

Answer:

y =4/5x + 3

Step-by-step explanation:

−4x−6=−5y+9

Step 1: Flip the equation.

−5y+9=−4x−6

Step 2: Add -9 to both sides.

−5y+9+−9=−4x−6+−9

−5y=−4x−15

Step 3: Divide both sides by -5.

−5y/−5

=

−4x−15/−5

y=

4/5x+3

Answer:

y=

4/5x+3

5 0
4 years ago
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Multiply. Do not round your answer.<br> 2.48x8.62 =?
kenny6666 [7]

Answer:

21.3776

Step-by-step explanation:

8 0
4 years ago
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Two angles are supplementary. if the larger angle is 3 degrees more than twice the smaller angle then how big is each angle. wri
Margaret [11]
Two angles are supplementary when they <span>add up to 180 degrees.

x = </span><span>smaller angle
</span>2x+3 =<span> larger angle

x + 2x + 3 = 180
3x = 180 - 3
3x = 177
x = 177/3
x = 59</span>°   ← smaller angle

2x + 3 = 2*59 + 3 = 121°  ← larger angle
4 0
3 years ago
How do you do this question?
dezoksy [38]

Answer:

∫₂⁵ ln(x) dx

Step-by-step explanation:

lim(n→∞) ∑ᵢ₌₁ⁿ (3/n) ln((2n + 3i) / n)

lim(n→∞) ∑ᵢ₌₁ⁿ (3/n) ln(2 + (3/n) i)

The width of the interval is b−a = 3, and there are n rectangles.  So the width of each rectangle is 3/n, and the height of each rectangle is ln(2 + (3/n) i).

The ith term is 2 + (3/n) i, so a = x₀ = 2.  Therefore, b = 2+3 = 5.

So the region is the area under f(x) = ln(x) between x=2 and x=5.

∫₂⁵ ln(x) dx

8 0
4 years ago
Mario's plumbing service
Sidana [21]

Answer:

So, hour 0 and charge is 0. hour 1 is 25, hour 2 is 50, hour 3 is 75, hour 4 is 100 and hour 5 is 125

Step-by-step explanation:

For every hour, add 25 in each box.

4 0
3 years ago
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