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Alenkinab [10]
3 years ago
7

If you help I give you brainilest

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
5 0

Answer:

|-213| > |+159|

Step-by-step explanation:

| means absolute value.

213 > 159

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A high speed train in Japan,known at "mini-Shinkansen", can travel at constant speed at 160 miles in two hours.Would the train b
olga2289 [7]

Answer:

N0.

Step-by-step explanation:

In 1 hour it can travel 160/2 = 80 miles.

So in 8 hours it travels 8 * 80 = 640 miles only.

5 0
3 years ago
Help please!!! retake question
andrew-mc [135]

PR / Sin(Q) = QR / Sin(P)

53 / Sin(90) = 45 / Sin(P)

53 / 1 = 45 / Sin(P)

Sin(P) = 45 / 53

Sin(P) = 0.8490566038

P = 58.11 degrees

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3 years ago
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3x+2=2x+2+x<br> How many solutions does the equation have? Explain why and how
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Answer:

this equation has one solution.

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3 years ago
a repair technician charges $80 for the First thirty minutes of each house call plus $2 for each additional minute. the repair t
pickupchik [31]

Okay so you know the equation y=2x+80

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170=2x+80

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6 0
3 years ago
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Find a quadratic polynomial whose sum of zeroes and product of zeroes are respectively 0, <img src="https://tex.z-dn.net/?f=%20%
erastovalidia [21]
A + b = 0
ab = √(5)

since b = -a, subst into other equation

ab = √5
a(-a) = √5
-a² = √5
a² = - √5
a =±  (5)^(1/4)·i

so our two zeros are (5)^(1/4) · i and -(5)^(1/4) · i.

Our polynomial has equation

y = \left( x - 5^{1/4} \cdot \mathrm{i}\right) \left( x + 5^{1/4} \cdot \mathrm{i}\right)

difference of squares: (x + y)(x - y) = x² - y² so

\\ y = (x)^2 - \left( 5^{1/4} \cdot \mathrm{i} \right)^2 \\&#10;y = x^2 - 5^{1/2} \cdot i^2 \\&#10;y = x^2 + 5 ^{1/2} = x^2 + \sqrt{5}


your polynomial is
y = x² + √(5)
y = x^2 + sqrt(5)
8 0
4 years ago
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