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Brut [27]
3 years ago
13

Aliza needs to run at a rate faster than 8.8 feet per second in order to exceed her fastest time in a race. After running for 15

minutes, her coach determines that she is running at an average rate of 5.8 miles per hour. He converts the average rate to feet per second as shown below:
He concludes that she is not running fast enough to exceed her fastest time.
Mathematics
1 answer:
xxTIMURxx [149]3 years ago
4 0
I didn’t get it sorry!
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Log(3)<br> valent to log (3)
White raven [17]

Answer:

log(3) is 0.477121255 as a calculator said.

valent to log(3) is the nearest numbers to it's log.

Step-by-step explanation

5 0
4 years ago
n the graph below determine how many real solutions the quadratic function has, and state them, if applicable. List solutions in
IRINA_888 [86]

Answer:

There are no real solutions.

Step-by-step explanation:

There are 3 options.

2 real solutions: This happens if in the graph, each arm intersects the x-axis, this means that there are two different values of x such that the equation:

a*x^2 + b*x + c

is equal to zero.

Another way to see this, is if the determinant:

b^2 - 4*a*c

is larger than zero.

1 real solution: This happens when the vertex of the graph intersects the x-axis. This means that there is a single value of x such that:

a*x^2 + b*x + c

is equal to zero.

Another way to see this is if the determinant:

b^2 - 4*a*c

is larger equal zero.

No real solution: if in the graph we can not see any intersection of the x-axis, then we do not have real solutions (only complex ones).

Another way to see this is if the determinant:

b^2 - 4*a*c

is smaller than zero.

Now that we know this, let's look at the graph.

We can see that the vertex is below the x-axis, and the arms of the graph go downwards. So the arms will never intersect the x-axis (and neither the vertex).

So the graph does not intersect the x-axis at any point, which means that there are no real solutions for the quadratic equation.

The correct answer would be "none"

3 0
3 years ago
What is the total price of a video game that costs $49.99 and the tax is 6%.
Leya [2.2K]

The answer is $52.98 because you divide the percent by 100 then multiply the total by .06 then add that to your total.
4 0
3 years ago
Read 2 more answers
Describe which of the two points lies on the graph of the line<br> Y-x=4<br> A. 9,5<br> B. 5,9
klasskru [66]
B. 5, 9

x = 5
y = 9

y - x = 4

(9) - (5) = 4

True

hope this helps
4 0
3 years ago
Line segment DA D(-4,5) and A(3,-3) is dilated by a factor of 2 to form D’A’. How long is D’A’?
sammy [17]

Answer:

Ask Your math teacher

step 1: ask

Step 2 : tell them what you dont understand

step 3 : stop cheating and looking up anwsers

:D that's how i got my answer hope u got yours right

5 0
4 years ago
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