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Paraphin [41]
3 years ago
13

An electronics store receives a shipment of 35 graphing calculators including 7 that are defective. eight calculators are chosen

at random to be sent to a local high school. 8. how many total selections can be made?
Mathematics
1 answer:
spin [16.1K]3 years ago
8 0
There are 23535820 combinations that can be made of 35 calculators taken 8 at a time.

_{35}C_8=\frac{35!}{8!27!}=23535820
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Aleks04 [339]

Answer:

Imao "Mixed Frozen Berries"

Step-by-step explanation:

7 0
3 years ago
5 The smallest angle of a triangle, in degrees, is p.
igor_vitrenko [27]

Answer: b = 90

Step-by-step explanation:

Full triangle is 180

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180 ÷ 10 = 18

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8 0
3 years ago
A 5 inch × 7 inch photograph is placed inside a picture frame. Both the length and width of the frame are 2x inches larger than
zimovet [89]

Answer:

4x+12

Step-by-step explanation:

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Hope I helped!

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3 0
2 years ago
Read 2 more answers
make the indicated conversion assume a 360-day year as needed,8months to simplified fraction of a year
balandron [24]
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6 0
3 years ago
Factor the expression. 9b2 – 25
rewona [7]

Answer: (3b + 5)(3b - 5)

Because both terms, 9b² and 25, are perfect squares, you can factor by taking the square roots of both terms.

The square root of 9b² is 3b (3b × 3b = 9b²).

The square root of 25 is 5 (5 × 5 = 25).

9b² - 25 has a negative, so the factored expression would be

(3b + 5)(3b - 5). The signs (+ and -) alternate in this case because the  expression, 9b² - 25, has no middle term.

You can check your work by using FOIL. See the attachment below.

F irst

O utside

I nside

L ast

5 0
3 years ago
Read 2 more answers
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