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Andru [333]
2 years ago
14

The numbers in the diagram below indicate the lengths of the sides of a triangle. Bernadette drew the following triangle and cla

ims it is a right triangle.
State whether or not Bernadette is correct?

Mathematics
1 answer:
xz_007 [3.2K]2 years ago
8 0

Answer:

It's not a right triangle, there isn't a right angle anywhere there.

Also, it's not applicable via pythagorean theorem

Step-by-step explanation:

You might be interested in
Estimation Rita goes to the mall. If x is the number of items she ​bought, the expression 18.54x+23 gives the amount she spent i
miv72 [106K]

Answer:

  • 18.54x +48
  • $85

Step-by-step explanation:

The total amount Rita spent is ...

  (18.54x +23) +(25) = 18.54x +48 . . . total spent

__

When x=2, that is approximately ...

  (18.5)(2) + 48 = 37 +48 = (40 -3) +(50 -2) = (40 +50) -(3 +2) = 90 -5 = 85

Rita spent about $85 if she bought 2 items.

_____

<em>Additional comment</em>

Estimation is often done using 1 significant figure. In this case, that would mean rounding the equation to 20x+50, so it would give a value of 90 when x=2.

An additional task when estimating is to estimate the error in the estimate. Here, using 20x+50 has an error of approximately 1.5x+2 (too high), so the error for 2 items will be about (1.5(2)+2) = 5. That is, the estimate of 90 is approximately 5 too high. Even this estimate has a remaining small error of 0.04x (too low).

8 0
2 years ago
Is this sample of the coins likely to be representative?
Oduvanchick [21]

Answer: yes

Step-by-step explanation:

5 0
2 years ago
In how many ways can five basketball players be placed in three positions?
Georgia [21]

Answer:

10 ways

Step-by-step explanation:

The number of ways in which five basketball players could be placed in three positions is:

5C_{3} = \frac{5!}{(5-3)!3!}

      = \frac{5!}{3!2!}

      = \frac{5*4*3*2!}{3*2*2!}

      = 5 × 2

     = 10

The basketball players can be arranged in 10 ways.

4 0
3 years ago
Do you trust the Internet? You want to ask a sample of high school students the question “How much do you trust information abou
Setler [38]

Answer:

Step-by-step explanation:

4 0
3 years ago
Which of the following Is a binomial?<br>A. 7x+21, B. 3/x, C. 8x^2+6x+5, D. 19x^4<br>​
zheka24 [161]

Answer: a

Step-by-step explanation:

a is a binomial

3 0
3 years ago
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