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inn [45]
3 years ago
14

If a = 1 and b = -3, what is the value of a - 21 + 12 - bl? A. -2 B. 4. D. 6 E. 8

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
4 0

Answer:

A -2 i think so im sorry if it's wrong

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She played 8 games. Since she earned a total of 120 points and 15 points per game you would divide 120/15=8
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3 years ago
Simplify 2.67 + (−8.9).
OlgaM077 [116]

Answer:

-6.23 is the answer

<h2>HOPE IT'S HELPS YOU </h2>

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2 years ago
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grandymaker [24]
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3 years ago
Find a recurrence relation for the number of strictly increasing sequences of positive integers that have 1 as their first term
Pepsi [2]

Answer:

S(k)=2^{(k-2)}

Step-by-step explanation:

S(k)=S(1)+S(2)+S(3).........S(k-1)\\where\\S(1)=1\\So\\S(k)=2^{(k-2)}

where k>1 and S(1)=1

4 0
4 years ago
-у+25=12у-1<br>Решите пожалуйста прямо сейчас уравнение ​
zloy xaker [14]

Answer: 2

Step-by-step explanation:

    −y + 25 = 12y − 1

Переместите все члены, содержащие y, в левую часть уравнения

Вычтем 12y из обеих частей уравнения.

    −y + 25 − 12y = −1

 Вычтем 12y из −y.

    −13y + 25 = −1

Переместите все члены, не содержащие y, в правую часть уравнения.

Вычтем 25 из обеих частей уравнения.

    −13y = −1 − 25

Вычтем 25 из −1.

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Разделите каждый член на −13 и упростите.

Разделите каждый член в −13y = −26 на −13.

     −13y /-13 = -26/-13

Сократить общий множитель −13.

    −26 /-13

Разделим −26 на −13.

    y = 2

5 0
3 years ago
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