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aivan3 [116]
2 years ago
11

Please help me find the perimeter and area of this parallelogram.

Mathematics
2 answers:
nadezda [96]2 years ago
7 0

Answer:

Hello,

<em><u>Area -</u></em>

You have to times the height and the width

Width is top and Height is the side

Take 15 x 6 = 90 cm

<em><u>Perimeter - </u></em>

(This parts a little hard for me)

Then I think you have to do...

The perimeter of a parallelogram is the distance around the outside of the parallelogram

A parallelogram has four sides with opposite sides being congruent.

The formula for finding the perimeter is Side A + Side B + Side A + Side B.

(But here's a tip the side are the same because they are the same height)

Hope this helps and am Very sorry if i am wrong cause i have not done this in a long time

Step-by-step explanation:

kati45 [8]2 years ago
3 0

Answer:

60 in

Step-by-step explanation:

15 x 4= 60

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The pulse rates of 174 randomly selected adult males vary from a low of 39 bpm to a high of 111 bpm. Find the minimum sample siz
Daniel [21]

Answer:

a. The sample size is approximately 97 adults

Step-by-step explanation:

The given parameters are;

The number of adults surveyed, n = 174

The lowest value of the pulse rate = 39 bpm

The highest value of the pulse rate = 111 bpm

The level of confidence used for determining the sample size = 90%

The given sample mean = 3 pm of the population mean

a. The range rule of thumb states that the standard deviation is approximately one quarter (1/4) of the range

The range = 111 bpm - 39 bpm = 72 bpm

Therefore, the standard deviation, σ = 72 bpm/4 = 18 bpm

The sample size, 'N', is given as follows;

N = \dfrac{z^2 \cdot p \cdot q}{e^2}

Where;

N = The sample size

z = The confidence level, 90% (z-score at 90% = 1.645)

p·q = σ² = 18² = 324

e² = 3² = 9

N = \dfrac{1.645^2  \times 324}{3^2} = 97.4169

Therefore the appropriate sample size, N ≈ 97 adults.

8 0
3 years ago
Andrew rents bowling shoes for $4. He bowls 2 games. Andrew spent a total of $22. How much was the cost of each game, b? Complet
Aneli [31]

Answer:

2b + 4 = 22

b= 9, the cost of each game is $9

Step-by-step explanation:

8 0
3 years ago
Clare had $48.00 on a gift card for a clothing store. She used it to buy a skirt that cost $27.00. How much is left on the gift
ladessa [460]

Answer: 21.00

Step-by-step explanation: 48-27 = 21

3 0
3 years ago
(PLEASE SOLVE ASAP EXPLAIN ALSO)
adelina 88 [10]

Answer:

3.81

Step-by-step explanation:

-      +     -

-      +     -

-      +      -

If you were to go all ways on this chart↑ the rules would always be the same.

A negative plus a negative is a negative.

A negative plus a positive is a negative.

A positive plus a postitive is a positive.

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3 years ago
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