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Phantasy [73]
3 years ago
9

Calculate the perimeter of this figure to the nearest tenth

Mathematics
1 answer:
Juliette [100K]3 years ago
7 0

Answer:

40.9

Step-by-step explanation:

Perimeter = 8 + 10 + 10 + 4 + 8.9

=> 20 + 4 + 8.9 + 8

=> 32 + 8.9

=> 40.9

This is already in the nearest tenth, so the answer = 40.9

If my answer helped, kindly mark me as the brainliest!!

Thank You!!

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A student added 0.523+2.36 and got the answer of 0.759. what were the student's mistake?
Artemon [7]

Answer:

the answer is 2.883

Step-by-step explanation:

Because when you add 0.523+2.36, the decimal points line up together. Which make it 2.883. The student's mistake was that they didn't line the decimal points together.

3 0
3 years ago
Change 1.49% to a decimal
Phantasy [73]
% means 100 so, 1.49/100=0.0149
4 0
3 years ago
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F(x) = 3x What is the inverse of the function below?
guajiro [1.7K]

Answer:

f^-1 (x)=x/3

Step-by-step explanation:

y=3x

x=3y

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6 0
3 years ago
The marked price of an article is 30% above it's selling price and the cost price is 35%less than it's marked price. find the di
SashulF [63]

Answer:

Let C be the cost price of the article. Then:

C(1+30%)=marked price

So:

C(1+30%)=C(1.3)

=1.3C

If the article is then marked down 35%, then its’ price would be:

1.3C(1–35%)=1.3C(.65)

=0.845 or 84.5% of its’ cost

Then:

0.845–1=-0.155

or, a 15.5% loss on the item

8 0
3 years ago
Find the area of the shaded portion in the square. Show all work for full credit.
kumpel [21]
Well, what I would do [not sure if it's the correct way], is use the white area as a sector of a circle. The top right of the box is the center of the circle, so the radius is 6.
Then, by the white portion being one quarter of the circle (90° out of 360°), I could calculate the that pink shaded region = the total square (6×6) minus the white sector.
So area (A) of white sector (s): A(s) = 1/4×pi×r^2
A(s) =  \frac{\pi {r}^{2} }{4}  =  \frac{\pi  \times {6}^{2} }{4}  \\ A(s) =  \frac{36\pi}{4}  = \frac{9\pi}{1}  = 9x3.142 \\ A(s) = 28.27
36 - 28.27 = 7.73
6 0
3 years ago
Read 2 more answers
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