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Aleonysh [2.5K]
3 years ago
11

Give the correct name for 2x3 + 5x

Mathematics
1 answer:
NikAS [45]3 years ago
8 0

Answer: x(2x²+5)

please give brainliest if it helped

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A rectangle is drawn so the width is 97 inches longer than the height. If the rectangle's diagonal measurement is 113 inches, fi
inn [45]

Step-by-step explanation:

h = height of rectangle (should be "length", but ok)

w = width of rectangle

w = h + 97

the diagonal of the rectangle is the Hypotenuse (baseline) of a right-angled triangle with the legs being one height and one width side of the rectangle.

so, we use Pythagoras

c² = a² + b²

with c being the Hypotenuse (the side opposite of the 90° angle).

diagonal² = h² + (h + 97)² = h² + h² + 2×97h + 97²

113² = 12769 = 2h² + 194h + 9409

3360 = 2h² + 194h

1680 = h² + 97h = (h + 97/2)² - 9409/4

(completing the square)

6720/4 + 9409/4 = (h + 97/2)²

16129/4 = (h + 97/2)²

127/2 = h + 97/2

30/2 = h = 15

the height is 15.0 in

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2 years ago
Review the scenario and the solution. Explain what is wrong with solution and correct the error.
butalik [34]
2.25h(60m/hr)(1/3)=45m

So Rick spends 45 minutes studying math per night.
7 0
3 years ago
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In the figure, m ║ n and p is a transversal. Which of the following are alternate interior angles?
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The answer is c. Because there inside and opposite
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The slope of the graph of y = x is
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<span><span>Step One:<span> Identify two points on the line.</span></span><span>Step Two:<span> Select one to be (x</span>1<span>, y</span>1<span>) and the other to be (x</span>2<span>, y</span>2).</span><span>Step Three:<span> Use the slope equation to calculate slope. hope this helps </span></span></span>
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3 years ago
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Given the function f(x) = 4(2)x, section a is from x = 1 to x = 2 and section b is from x = 3 to x = 4. part
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A. Average rate of change for x=1 to 2: 4(2²)-4(2)=16-8=8; from x=3 to 4: 4(2⁴)-4(2³)=64-32=32.
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6 0
3 years ago
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