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Colt1911 [192]
3 years ago
8

What’s the possible value of 4m-2?

Mathematics
1 answer:
andriy [413]3 years ago
5 0

Answer:

6 ≤ 4m-2 ≤ 65

Step-by-step explanation:

-3/8 ≤ -m/2 +8 ≤7

Multiply each part by 8 to get rid of the fractions

8* (-3/8) ≤ 8*(-m/2 +8) ≤7*8

-3 ≤ -4m +64 ≤56

Now multiply by -1 to make m positive, remembering to flip the inequalities

-1*-3≥-1( -4m +64)≥-1*56

3≥ 4m -64≥-56

Add 62 to each part ( we want 4m-2)

3+62≥ 4m -64+62≥-56+62

65≥ 4m -2≥6

We can flip the presentation so that it has greater thans

6 ≤ 4m-2 ≤ 65

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Serjik [45]

Answer:

Right tailed, 0.0089, reject.

Step-by-step explanation:

Given that The test statistic of z equals = 2.37  is obtained when testing the claim that p greater than > 0.1

we see that whenever claim is > it is right tailed.  And whenever p <alpha we reject H0

a) Since claim is p>0.1 this is right tailed test.

b) For z =2.37 p value is 0.5-0.4911\\0.0089

c)Since p < 0.01 our lapha we reject null hypothesis

4 0
3 years ago
Please help I'll give brilliantist:)​
Vanyuwa [196]

Answer:

(-3, -6)

Step-by-step explanation:

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identify value of coordinate A at x-axis before y-axis

x-axis of A is in the middle of -2 and -4, thus it is -3

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6 0
3 years ago
The average of 10 numbers is −10. If the sum of 6 of them is 100, what is the average of the other 4? 20pts
Allushta [10]

Answer:

The sum of the other 4 numbers is -200

Step-by-step explanation:

Let

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x=100

substitute the value of x in the equation A

\frac{100+y}{10}=-10

\frac{100}{10}+\frac{y}{10}=-10

10+\frac{y}{10}=-10

\frac{y}{10}=-10-10

\frac{y}{10}=-20

y=-20*10=-200

5 0
3 years ago
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8 0
3 years ago
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Makovka662 [10]

5/6=0.8

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so ... 0.8 is greater than 0.7 and 7.0 also greater than 0.5

0.8>0.7>0.5

I hope that's help !

8 0
2 years ago
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