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Maurinko [17]
3 years ago
15

Sarah is turning 21 today. In the mail, she received 16 envelopes, and each envelope included $2.10. How much money did she rece

ive in the mail?
Mathematics
1 answer:
Mademuasel [1]3 years ago
7 0
Sarah will have $33.60 in total
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chubhunter [2.5K]

6 possible ways to order 3 couples in a row

Given,

We have three married couples. that is six persons in total.

a, b, c, d, e, f may taken as the six persons.

Considering the statement:

Elder partner on the left, assume a, c and e as elders.

Then we have, (a, b) ------ ( 1)

                        (c, d) ------ (2)

                        (e, f) ------ (3)

There is no change in position between the couples.

So, we get three persons in total.

Possible ways to order these three persons will be like this: 3! = 3×2×1

                                                                                                        = 6

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4 0
2 years ago
The ratio of North American butterflies to South American butterflies at a butterfly park is 6:2. What is the ratio of North Ame
sammy [17]

Answer:

6:8

Step-by-step explanation:

From the above question, we are told that:

The ratio of North American butterflies to South American butterflies at a butterfly park is 6:2.

The sum of the proportion = 6 + 2 = 8

The ratio of North American butterflies to ALL butterflies is given as :

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A triangle with an area of 3 mm^2 is dilated by a factor of 6
Ipatiy [6.2K]
Is the question a multiple choice?
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3 years ago
Circle B is shown. Line segments C B, D B, and E B are radii. Angle C B E is 52 degrees and angle E B D is 160 degrees.
charle [14.2K]

Answer:

D

Step-by-step explanation:

One is 160, and the other is 52. To find the answer, we add.

52+160=212, which is D.

Ergo, D is the correct answer.

8 0
3 years ago
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Work out the size of angle x of a triangle
Marrrta [24]

Answer:

x = 46

Step-by-step explanation:

130 is the exterior angle of the triangle,

Its interior angle

= 180 - 130

= 50

96 is the exterior angle of the triangle,

Its interior angle

= 180 - 96

= 84

Now,

x, 50 and 84 are the interior angles,

Sum of interior angles of a triangle is 180,

50 + 84 + x = 180

134 + x = 180

x = 180 - 134

x = 46

7 0
2 years ago
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