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2 years ago

An object travels 4/5 miles in one-half hour. What is its speed?

Mathematics

1 answer:

Ilia_Sergeevich [38]2 years ago

7 0

Answer:

8/5 miles or 1.6 mile per hour

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Q16. Find x^2 + 1/x^2 , if x + 1/x = 3

erica [24]

Answer:

$2 \times x \times \frac{1}{x} = 2 \\ {x}^{2} + {y }^{2} + 2xy = {(x + y)}^{2} \\ {x}^{2} + \frac{1}{ {x}^{2} } + 2 = {(x + \frac{1}{x} })^{2} = {3}^{2} = 9$

8 0

2 years ago

The following frequency table shows the number of cavities each of Dr. Freese's patients had.

Anit [1.1K]

Answer:

Step-by-step explanation:

13 patients had 0 cavities, according to the table! The righthand column is the frequency of people, and the left is the number of cavities they had.

6 0

2 years ago

There is only three options someone help

Pepsi [2]

Answer:

Answer is Option 2

Step-by-step explanation:

Triangles equal to 180 degrees in total. So it is 55+54+x+74=180

The simplified version that I just wrote is Option 2

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2 years ago

HELP NOW PLEASE I WILL GIVE BRAINLIEST IT'S URGENT!!!!!!

Degger [83]

Answer:

Step-by-step explanation:

y= 24-4x

8 0

2 years ago

Can you help me !!!!!

kari74 [83]

Answer:

Step-by-step explanation:

Okay, so hopefully my crude diagram helps you visualize the problem. When in doubt, always draw a picture.

All I did was graph the points and formed a line.

Slope: It's going to be 0 because it doesn't change at all (no different y values)

(y2-y1)/(x2-x1) = (6-6) / (4-2) = 0/2 = 0

Y intercept is where the line crosses the y axis- this is also where x=0 (find it in your chart!)

Equation is y= 6; I don't know how to explain this, but trust me, it's right

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2 years ago