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anyanavicka [17]
2 years ago
11

PLZ HURRYSolve for z.z3–3≤–2

Mathematics
2 answers:
nika2105 [10]2 years ago
7 0
I’m so confused

I’m so confused
Nimfa-mama [501]2 years ago
5 0

Answer:

z ≤ 1/3

Step-by-step explanation:

3z - 3 ≤ -2        Add 3

3z ≤ 1               Divide by 3

z ≤ 1/3

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Romashka [77]
  1. C = πd. In this equation, "C" represents the circumference of the circle, and "d" represents its diameter. That is to say, you can find the circumference of a circle just by multiplying the diameter by pi. Plugging π into your calculator will give you its numerical value, which is a closer approximation of 3.14 or 22/7.
  2. The radius is half as long as the diameter, so the diameter can be thought of as 2r. Keeping this in mind, you can write down the formula for finding the circumference of a circle given the radius: C = 2πr. In this formula, "r" represents the radius of the circle. Again, you can plug π into your calculator to get its numeral value, which is a closer approximation of 3.14.
8 0
3 years ago
8=−2/5c<br><br> Help me <br><br> I’m single ready to mingle
vitfil [10]

Answer:

-20

Step-by-step explanation:

First, you divide both sides by -2/5, which would get you c = 8 * -5/2 (Because when you divide, you multiply by the reciprocal). 8 * -5/2 is equal to -20. The answer is -20.

4 0
2 years ago
Three less than x is
pantera1 [17]

Answer:

x - 3

Step-by-step explanation:

3 0
2 years ago
1. The US Mint has a specification that pennies have a mean weight of 2.5g. From a sample of 37 pennies, the mean weight is foun
Evgesh-ka [11]

Answer:

the pennies does not conform to the US mints specification

Step-by-step explanation:

z = (variate -mean)/ standard deviation

z= 2.5 - 2.4991 / 0.01648 = 0.0546

we are going to check the value of z in the normal distribution table, which is the table bounded by z.

checking for z= 0.0 under 55 gives 0.0219 (value gotten from the table of normal distribution)

we subtract the value of z from 0.5 (1- (0.5+0.0219)) = 0.4781 > 0.05claim

since 0.4781 > 0.05claim, therefore, the pennies does not conform to the US mints specification

the claim state a 5% significance level whereas the calculated significance level is 47.81%. therefore, the claim should be rejected

7 0
3 years ago
Which function has a greater rate of change? explain.
timama [110]

Answer:

a

Step-by-step explanation:

a has a greater rate of change because all the numbers make sense to the problematic function :)

3 0
2 years ago
Read 2 more answers
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