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Romashka-Z-Leto [24]
3 years ago
14

Divide 18 counters into 3 equal groups how many counters are in each group?SHOW YOUR WORK

Mathematics
2 answers:
Verizon [17]3 years ago
5 0
Eighteen divided by three is an easy division question in. The answer to 18 divided by 3<span> is equal to 6.With counters you should count out 18 then take out 3 then another 3,then another 3,then another three,then another 3, then another 3.You should have took  out 6 groups of 3.</span>
Kryger [21]3 years ago
5 0
18/3=6
6 countries in each group
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kifflom [539]

48

6 x 8 = 48.

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8 0
3 years ago
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Solve and graph the inequality 6 + 3n ≤40
Kazeer [188]
6+3n≤40
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4x+2<10
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7 0
3 years ago
Use completing the square to solve for x in the equation (x+7)(x-9) = 25.
balandron [24]

Answer:

x = 1  ±√89

Step-by-step explanation:

We have the equation:

(x+7)(x-9) = 25

Using distributive property:

x(x-9) + 7(x-9) = 25

x²- 9x + 7x - 63 -25 = 0

x²- 2x - 88 = 0

To complete squares we need to add and subtract 1, as follows:

x²- 2x - 88 +1 -1 = 0

x²- 2x +1 -88 -1 = 0    (this is a perfect square)

(x - 1)² - 89 = 0

Solving for x:

(x - 1)² = 89

x - 1 = ±√89

x = 1  ±√89

6 0
4 years ago
Please help me this is my final!!!
Nesterboy [21]

Answer:

it is a. 43 sides

Step-by-step explanation:

(n-2)*180=number of degrees in a polygon

7 0
3 years ago
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The ratio that is equivalent to 15:42?<br><br> A) 5: 12<br> B) 10:28<br> C) 36:48<br> D) 5:21
myrzilka [38]

Answer:

it's actually none of these.

Step-by-step explanation:

if we divide 15 by 3 we also have to divide 42 by 3. We end up with 5:14. 15 isn't divisible by any number other than 1, 3, 5, and 15.

8 0
3 years ago
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