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Black_prince [1.1K]
3 years ago
5

Christina estimates that she will spend $250 on new summer clothes. She actually spent $350. what is the percent error? Round to

the nearest whole percent.
Mathematics
2 answers:
pshichka [43]3 years ago
7 0

Answer:

<h2>29%</h2>

Step-by-step explanation:

Givens

  • Christina estimates that she will spend $250.
  • She actually spent $350.

The percentage error refers to the percentage that represents the difference, so, first we can divide 250 by 350, that will give us the percentage that represents 250.

\frac{250}{350}= 0.71

Then, we multiply by 100

0.71 \times 100= 71\%

Now, we subtract

100\% - 71\%=29\%

Therefore, the percentage error is 29%, that is, she missed her estimation by a 29%.

Wittaler [7]3 years ago
4 0

Answer:

60%

Step-by-step explanation:

250÷350=0.6 which is equal to 60%

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There was a increase of 1.7% over these three​ years

Step-by-step explanation:

Multipliers:

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For a increase of a%, we multiply by: \frac{100+a}{100}

What was the percentage​ increase/decrease of groundhogs over these three​ years?

Decrease of 12%(multiplication by 0.88).

Increase of 6%(multiplication by 1.06).

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i need help asap please dont type random anwsers, that will result in it being deleted. GIVING BRAINLIEST ONLY TO CORRECT, INCOR
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Answer:

The area of the rectangle <em>TOUR</em> is 80.00 unit².

Step-by-step explanation:

The area of a rectangle is computed using the formula:

Area\ of\ a\ Rectangle=length\times width

Since the dimensions of the rectangle are not provided we can compute the dimensions using the distance formula for two points.

The distance formula using the two point is:

distance=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}

Considering the rectangle <em>TOUR</em> the area formula will be:

Area of Rectangle <em>TOUR</em> = <em>TO × OU</em>

The co-ordinates of the four vertices of a triangle are:

T = (-8, 0), O = (4, 4), U = (6, -2) and R = (-6, -6)

Compute the distance between the vertices <em>T</em> and <em>O</em> as:

TO=\sqrt{(4-(-8))^{2}+(4-0)^{2}}\\=\sqrt{12^{2}+4^{2}} \\=\sqrt{160} \\=4\sqrt{10}

Compute the distance between the vertices <em>O </em>and <em>U</em> as:

OU=\sqrt{(6-4)^{2}+(-2-4)^{2}}\\=\sqrt{2^{2}+6^{2}} \\=\sqrt{40} \\=2\sqrt{10}

Compute the area of rectangle TOUR as follows:

Area\ of\ TOUR=TO\times OU\\=4\sqrt{10}\times 2\sqrt{10}\\=80\\\approx80.00 unit^{2}

Thus, the area of the rectangle <em>TOUR</em> is 80.00 unit².

6 0
3 years ago
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