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attashe74 [19]
3 years ago
13

B = 23a + 1 b = -13a + 7

Mathematics
1 answer:
ohaa [14]3 years ago
8 0
The answer is the question
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What’s 7y+8=57?????!!?!????
forsale [732]
Ok so basically your going to subtract 57-8 which is 49. So now you have 7y=49 so now divide 49 by 7 which is 7. So your answer is 7 and to check your work substitute 7 for y so.... 7(7)+8=57 so 57=57 which is accurate
7 0
3 years ago
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What does the word "isohyet" mean?
stepan [7]

Answer:

An isohyet is a line on a map which connects points that have the same amounts of precipitation in a given period or for a particular storm.

Step-by-step explanation:

5 0
3 years ago
A coin is tossed 8 times. Which of the following represents the probability of the coin landing on heads all 8 times?
ElenaW [278]

Answer:

\large\boxed{\large\boxed{Probability=1/256\approx  0.0039}}

Explanation:

Since, there are two possible outcomes for every toss (head or tail), the sample space for<em> a coin tossed 8 times</em> is 2×2×2×2×2×2×2×2 = 2⁸ = 256.

<em>Landing on heads all 8 times</em> is just one of the possible outcomes: HHHHHHHH ⇒ 1.

Hence, the <em>probability </em>is calculated from its own definition:

Probability = number of favorable outcomes / number of possible outcomes

  • Probability=1/256\approx  0.0039\text{         }\leftarrow answer

8 0
3 years ago
You used a 35% off coupon and purchased a skateboard for 55.25. What was the original price of the skateboard?
Firlakuza [10]

Answer: It should be 74.5875

Step-by-step explanation: If you did 0.35*55.25= you should get a number then if you add that with the discounted price, $55.25, you should get 74.5875

7 0
3 years ago
What is 1.7a+0.3a=4/5??? Halp me plz...
Ray Of Light [21]
<span>1.7a+0.3a=4/5
2a = 4/5
  a = 4/5 * 1/2
  a = 4/10
  a = 2/5</span>
6 0
3 years ago
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