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Elina [12.6K]
3 years ago
10

The table contains data for five students: homework scores, x, and corresponding test scores, y.

Mathematics
2 answers:
PIT_PIT [208]3 years ago
8 0

Answer:

C

Step-by-step explanation:

Mademuasel [1]3 years ago
6 0

Answer: C

Step-by-step explanation:

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Evaluate the following expressions using the chip method. SHOW ALL WORK!!!
Mila [183]

Answer:

  • a. -7
  • b. -20
  • c. 7

Step-by-step explanation:

  • a. -9+2, in this case, it is -7 because you take the bigger number and subtract it by the lower number. If the bigger number is negative your answer will be negative, if the bigger number is positive it will be positive it is just really a basic subtraction problem just add the sign.
  • b. In multiplication +++=+ ++-=- and a -+-=+ do your problem without thinking about the signs and then add the signs with the formula I showed you.
  • c. ---=+

Hope this helps :)!

5 0
3 years ago
A car is designed to last an average of 12 years with a standard deviation of 0.8 years. What is the probability that a car will
Scorpion4ik [409]
Due to the common probability formula I can solve that task. Refering to the task you gave, we have all the information we need. We solve it like that: \frac{10-12}{0.8} = -2.5; Probability(-2.5)=.0.00621; Probability = 0.621%
So the answer is the first option <span>0.621%</span>
5 0
3 years ago
Read 2 more answers
P ( rolling a 5 or rolling a 4 ) on a die or fair number cube. Find the probability of these mutually exclusive events.​
pentagon [3]

Answer: I believe it the probability of this would be 1/3.

Step-by-step explanation: This is mainly because if the chances of rolling a 5 or a 4 on a die or fair numbered cube, which contains 6 sides, then landing on 5 or 4 would be 2 out of the six chances it would land on those two numbers. Hope this helps!

3 0
3 years ago
John gave 23/25 of an orange to his best friend. What
Zarrin [17]

Answer:

80%

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Solve 4x + 10-30<br> X&lt;5<br> x&gt;5<br> X&lt;10<br> X&gt;10
LekaFEV [45]

Answer:

0

Step-by-step explanation:

4x + 10 - 30

4 × 5 + 10 - 30

20 +10 - 30

30 - 30

0

3 0
3 years ago
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