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tiny-mole [99]
4 years ago
11

Hurry please a will give 20 points too all you who answer this but make it fast Jiang counted that he had thrown 90 pitches in a

baseball game. He actually had thrown 94 pitches.
Enter numbers into the boxes to write an expression for the percent error in Jiang's count.
Mathematics
1 answer:
Delicious77 [7]4 years ago
3 0

Answer:

Approximately 96%

Step-by-step explanation:

90/94=45/47. 45/47 is approximately 96%

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How many unique triangles can be drawn with side lengths 8 in., 12 in., and 24 in.? Explain. A. Any three sides form a unique tr
netineya [11]

Answer: C. Two of the side lengths add to a sum that is less than the third side length, so these lengths cannot be used to draw any triangles.

Explanation:

Those two sides in question are 8 and 12. They add to 8+12 = 20, but this sum is less than the third side 24. A triangle cannot be formed.

Try it out yourself. Cut out slips of paper that are 8 units, 12 units, and 24 units respectively. The units could be in inches or cm or mm based on your preference.

Then try to form a triangle with those side lengths. You'll find that it's not possible. If we had the 24 unit side be the horizontal base, so to speak, then we could attach the 8 and 12 unit lengths on either side of this horizontal piece. But then no matter how we rotate those smaller sides, they won't meet up to form the third point for the triangle. The sides are simply too short. Other possible configurations won't work either.

As a rule, the sum of any two sides of a triangle must be larger than the third side. This is the triangle inequality theorem.

That theorem says that the following three inequalities must all be true for a triangle to be possible.

  • x+y > z
  • x+z > y
  • y+z > x

where x,y,z are the sides of the triangle. They are placeholders for positive real numbers.

So because 8+12 > 24 is a false statement, this means that a triangle is not possible for these given side lengths. Therefore, 0 triangles can be formed.

6 0
3 years ago
You will be administratively suspended if you have a breath or blood alcohol level of ____ or above or refuse to submit to a che
raketka [301]

Answer: Our required answer is 0.08%.

Step-by-step explanation:

According to U.S., if anyone has consumed 0.08 % or above , then he will considered as legally impaired, and he would be administratively suspended.

If he has a breath or blood alcohol level of 0.08% or above or refuse to submit to a chemical test.

In U.S. it must be less than 0.08% in blood alcohol concentration.

Hence, our required answer is 0.08%.


4 0
3 years ago
Read 2 more answers
Prove: The sum of two multiples of 3 is a multiple of 3
andrey2020 [161]

Answer:

  3 . . . goes in both boxes

Step-by-step explanation:

Use the distributive property. Remove the common factor to outside parentheses:

  3(m +n) = a multiple of 3

6 0
3 years ago
A=6 cm,b=9cm,and c =3 cm
Crazy boy [7]
The lengths of sides a and c add to 9 cm, the length of side b.
In a triangle, the the sum of the lengths of any two sides must be greater than the the length of the third side. These dimensions do not make a triangle.

Is this really what you meant? Why did you use capital A for a side? Or is A an angle, and it measures 6 deg, not 6 cm?
4 0
3 years ago
What is the axis of symmetry of the function f(x)=(x+5)(x-3)
podryga [215]

The axis of symmetry is X= -0.9999995

4 0
3 years ago
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