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Leni [432]
2 years ago
12

A valley in California has an elevation of feet below sea level. A valley in Arizona has an elevation lower than the one in Cali

fornia. Which of these could be the elevation of the valley in Arizona? 3 feet 0 feet -5 feet -9 feet
Mathematics
2 answers:
Digiron [165]2 years ago
8 0

Answer:

-9 feet because it said below sea level

Step-by-step explanation:

because it said below sea level

Galina-37 [17]2 years ago
5 0

The valley in California has an elevation of feet "below sea level".
Below sea level means below 0 feet, so it'd have -5 feet

The one in Arizona would be lower than it, so the elevation will definitely be -9 feet

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What is the radius of a circle with an area of 50.24 square inches?
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Answer:

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The following two parallelograms are drawn below. Find the measurement of FE or the variable “x”
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Step-by-step explanation:

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4 0
2 years ago
Sabendo que "K" satisfaz a equação {2(k-8) + 3(-k+1) = -4k +11} Os valores reais de x que satisfazem a equação 15x² - kx + 1 = 0
erastova [34]

Answer:

D) 1/5 e 1/3

Step-by-step explanation:

You have the following quadratic equation:

15x^2-kx+1=0           (1)

In order to find the values of x that are solution to the equation (1), you first find the solution for k in the following equation:

2(k-8)+3(-k+1)=-4k+11\\\\2k-16-3k+3=-4k+11\\\\2k-3k+4k=11+16-3\\\\3k=24\\\\k=8

Next, you replace the previous value of k in the equation (1) and you use the quadratic formula to find the roots:

15x^2-8x+1=0\\\\x_{1,2}=\frac{-(-8)\pm \sqrt{(-8)^2-4(15)(1)}}{2(15)}\\\\x_{1,2}=\frac{8\pm 2}{30}\\\\x_1=\frac{1}{5}\\\\x_2=\frac{1}{3}

Then, the roots of the equation (1) are

D) 1/5 e 1/3

5 0
3 years ago
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