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stira [4]
3 years ago
9

A = (1/5)b = (6/-3)Work out 4a + b​

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
4 0

Answer:

-1.2

Step-by-step explanation:

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770,070 in expanded form
Shalnov [3]
700,000 + 70,000 + 70


is your answer

hope this helps :D
4 0
3 years ago
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Read the problem and decide whether it has too much or too little
Arte-miy333 [17]

Answer:

A. too much

Step-by-step explanation:

If we are only looking for how much water she drinks, we do not need to know the amount of hay or the amount of fruit

4 0
3 years ago
Shiela is 1.7m tall. Her son is 109cm tall. How many meters taller is Shiela than her son?
Tju [1.3M]
Shiela is 0.61 meters taller than her son.
3 0
3 years ago
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you roll a 6-sided die with faces numbered 1 through 6, and toss a coin what is the probability of rolling a 2 or getting heads
KatRina [158]

Answer:

2/3

Step-by-step explanation:

You have 6 possible outcomes. Getting 1 outcome is 1/6. You have 2 possible outcomes. Getting 1 outcome is 1/2.

Add 1/2 and 1/6 to get 2/3

5 0
3 years ago
You are testing the claim that the mean GPA of night students is different from the mea GPA of day students. You sample 20 night
svetlana [45]

Answer:

As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.

Step-by-step explanation:

Here n= 20

Sample mean GPA = x`= 2.84

Standard mean GPA = u= 2.55

Standard deviation = s=  0.45.

Level of Significance.= ∝ = 0.01

The hypothesis are formulated as

H0: u1=u2   i.e the GPA of night students is same as the mean GPA of day students

against the claim

Ha: u1≠u2

i.e the GPA of night students is different from the mea GPA of day students

For two tailed test  the critical value is  z ≥ z∝/2= ± 2.58

The test statistic

Z= x`-u/s/√n

z= 2.84-2.55/0.45/√20

z= 0.1441

As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.

8 0
3 years ago
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