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Romashka [77]
2 years ago
7

Please help find the perimeter

Mathematics
1 answer:
Usimov [2.4K]2 years ago
4 0

Answer:

Perimeter of the given figure = 28 units

Step-by-step explanation:

Perimeter of the given figure = Length of AB + Length of BC + Length of CD + Length of DE + Length of EF + Length of FG + Length of GH + Length of AH

Length of AB = 4.5 units

Length of BC = 2 units

Length of CD = 2 units

Length of DE = 4 units

Length of EF = 5.5 units

Length of FG = 1.5 units

Length of HG = 1 units

Length of AH = 7.5 units

Perimeter of ABCDEFGH = 4.5 + 2 + 2 + 4 + 5.5 + 1.5 + 1 + 7.5

                                          = 28 units

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Ezra made cookies for a bake sale. He made 13 cookies in the shape of a dog and 54 cookies in other shapes. What is the probabil
Radda [10]

Answer:

Approximately 19.4%

Step-by-step explanation:

Co. Dogs: 13

Co. Others: 54

13+54=Total Co.

=67.

Co. Dogs: 13/67.

App. 19.4% (For 13 Co.)

App. 1.49% (For 1 Co.)

4 0
3 years ago
which of the following expresses the coordinates of the foci of the conic section shown below? (x-2)^2/4+(y+5)^2/9
elena55 [62]

Step-by-step explanation:

\frac{(x - 2) {}^{2} }{4}  +  \frac{(y + 5) {}^{2} }{9}  = 1

This is the equation of the ellipse. Since the denominator is greater for the y values, we have a vertical ellipse. Remember a>b, so a

The formula for the foci of the vertical ellipse is

(h,k+c) and (h,k-c).

where c is

Our center (h,k) is (2, -5)

{c}^{2}  =  {a}^{2}  -  {b}^{2}

Here a^2 is 9, b^2 is 4.

{c}^{2}  = 9 - 4

{c}^{2}  = 5

c =  \sqrt{5}

So our foci is

(2, - 5 +  \sqrt{5} )

and

(2, - 5 -  \sqrt{5} )

6 0
1 year ago
Which number is rational?
marishachu [46]

Answer:

Option D, \sqrt{16}, since the answer is 4 which is a rational number considering that it's a whole number

Hope this helps!

8 0
3 years ago
How is 3/5 and 8/10 Are equivalent fractions?
olya-2409 [2.1K]
Hi!

These are not <span>equivalent fractions because 8/10 reduces to 4/5, not 3/5, therefore, they are not </span>equivalent.
4 0
3 years ago
Rhonda can travel 45 miles in 3 hours while on her skateboard. at this rate, how many hours does it take to travel 1 mile
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The question is relating Rhonda's distance travelled and time taken

If 45 miles = 3 hours

Then, 1 mile = 3/45 hours

=\frac{1}{15}

Therefore, it will take Rhonda 1/15 hours to travel 1 mile.

6 0
10 months ago
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