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kenny6666 [7]
3 years ago
9

If you traveled in a minivan for 8.5 hours at a rate of 80 mph then how many hours have you traveled

Mathematics
1 answer:
Anestetic [448]3 years ago
8 0
You have traveled 8.5 hours. The "rate of 80 mph" is useless information designed to confuse you. The problem says "you traveled in a minivan for 8.5 hours," which means that the answer to the question portion would simply be 8.5 hours.
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Math! 30 points + brainliest
Ronch [10]

Answer:

A) 9.56x10^38 ergs

B) 7.4x10^-3 mm

Step-by-step explanation:

A) 9.56x10^38 ergs B) 7.4x10^-3 mm A). For the sun, just multiply the power by time, so 3.9x10^33 erg/sec * 2.45x10^5 sec = 9.56x10^38 B) Of the two values 7.4x10^-3 and 7.4x10^3, the value 7.4x10^-3 is far more reasonable as a measurement for blood cell. Reason becomes quite evident if you take the 7.4x10^3 value and convert to a non-scientific notation value. Since the exponent is positive, shift the decimal point to the right. So 7.4x10^3 mm = 7400 mm, or in easier to understand terms, over 7 meters. That is way too large for a blood cell when you consider that you need a microscope to see one. Now the 7.4x10^-3 mm value converts to 0.0074 mm which is quite small and would a reasonable size for a blood cell.



6 0
3 years ago
Read 2 more answers
If s(x) = x-7 and f(x) = 4x? – X+3, which expression is equivalent to (tos)(x)?
lesya692 [45]

Answer:

4(x-7)^2-(x-7)+3 (Assuming t is f)

Step-by-step explanation:

Let s(x)=x-7 and t(x)=4x^2-x+3 .

(t o s)(x)=t(s(x))=t(x-7)

Before I continue this means replace the orginal x in t with x-7.

This will then give you

4(x-7)^2-(x-7)+3

4 0
4 years ago
Find the zeros of f(x)=-3x^3+6x+5.
Tasya [4]

Answer:

x = 1.723

Step-by-step explanation:

The  zeros of a function f(x) are the points where the function crosses the x-axis. At these points, the function will have a value of zero, that is;

f(x) = 0

We simply graph the function and determine the points where it crosses the x-axis. From the attachment, f(x) crosses the x-axis at;

x = 1.723

8 0
3 years ago
Read 2 more answers
In a data set, Q1 is 24, and Q3 is 36. Regarding the same data, use the "IQR x 1.5" method to determine which of the following n
STatiana [176]

Answer:

The answer is none triangle

Step-by-step explanation:

we know that

The sum of internal angles of a triangle must be equal to  

In this problem we have three angles, each measuring  

so

The total sum of the three angles is equal to  

therefore

The answer is none triangle

6 0
3 years ago
The graphs of f(x) =-2x and g(x)=(1/2)^z are shown
ELEN [110]

Answer:

f(x)-3x+5 and g(x)=4+5 is it true ?Step-by-step explanation:

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