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EleoNora [17]
3 years ago
11

(15+6) divde 3 Evalute the expression

Mathematics
2 answers:
Tom [10]3 years ago
5 0

Answer:

(15+6)/3

21/3=7

Ksenya-84 [330]3 years ago
5 0

Answer:

The answer is 7

Step-by-step explanation:

First, sum the first two numbers, which are in parenthesis (15+6), this equals 21. Then divide this number (21) by 3, which is 7.

Hope this was helpful :)

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You randomly draw a marble from a bag. You then put it back before drawing a second marble. These events are ________ events. an
Mkey [24]
I would assume Independent because pulling 1 marble doesn't cause you to pull a second one.
4 0
3 years ago
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There are 7 coins that look identical.One of the seven coins weighs slightly less than the other 6. Using a balance scale, how c
RoseWind [281]
Start by putting two coins on each side of the scale. If one side is higher, then the light coin must be in that pair (use a second weighing to determine which of that pair is the lightest.)
If the initial weighing shows the two pairs to be even, discard those four and go to the three others. Put two of the coins on the scale - one on each side. If one side stays higher, that coin is your light one. If however they are equal, the final unweighed coin must be the lighter coin.
5 0
3 years ago
Hi please help thank you
jonny [76]
20
This is because
2x+(6x+20)=180
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7 0
3 years ago
Factor completely 25x2 − 36.
Ivenika [448]
25x² - 36
25x² + 30x - 30x - 36
5x(5x) + 5x(6) - 6(5x) - 6(6)
5x(5x + 6) - 6(5x + 6)
(5x - 6)(5x + 6)

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6 0
3 years ago
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In triangle ABC, a = 5.3 cm, b = 4.8 cm, and c = 9.2 cm.
suter [353]

Answer:

a= 25.69, b=23.12, c=131.119

Step-by-step explanation:

cosa=\frac{B^{2} +C^{2} -A^{2} }{2BC} \\        =\frac{79.59}{88.32} \\       a = 25.69

cos(b)=\frac{A^{2} +C^{2} -B^{2} }{2AC} \\        =\frac{89.69}{97.52}\\      b=23.12\\c=180-23.12-25.69\\   = 131.119

8 0
3 years ago
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