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Lorico [155]
3 years ago
9

Which statement is true for the equation 3x − 3x − 2 = −2?

Mathematics
2 answers:
sashaice [31]3 years ago
6 0

Answer:

D

Step-by-step explanation:

i just took the test so it said it was D

Hope this helps ur day :)

Mariana [72]3 years ago
3 0
Has infinitely many solutions. 
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Solve for <br> 3t-t-6=t-7
stealth61 [152]

Answer:

t = - 1/3

Step-by-step explanation:

3t - t - 6 = t - 7

3t - t + t = 6 - 7

3t = - 1

t = - 1/3

3 0
3 years ago
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If f(x) = −2[x]+ 8, what is f(−1.8)?<br><br><br> 4<br><br> 6<br><br> 10<br><br> 12
Genrish500 [490]

Functions whose graphs resemble sets of stairsteps are known as step functions. The most famous of the step functions is the greatest integer function, which is denoted by:


f(x)=[x]


which graph is shown in the Figure below. As you can see from the graph:


if \ x=-1.8 \ then \ f(-1.8)=[-1.8]=-2


Therefore:


f(-1.8)=-2[-1.8]+8=-2(-2)+8=\boxed{12}


So the right answer is 12

5 0
3 years ago
Read 2 more answers
How many 1/3 of a hour to make a hour?
notsponge [240]

Answer: 3

Step-by-step explanation:

\frac{1}{3} × 3 = 1

3 0
3 years ago
For a sample of n = 30 scores, X = 45 corresponds to z = 1.50 and X = 40 corresponds to z = +1.00. What are the values for the s
TEA [102]

Answer:

30

Step-by-step explanation:

Here, it is given that the Z – score corresponding to the score X = 45 is 1.5 and the Z – score corresponding to the score X = 40 is...

Z = \frac{X - M}{S}

So:

1/ 1.5 = \frac{45 - M}{S} and 1 = \frac{40 -M}{S} . solve the both equations, we found out:

<=> S = 10

=> M = 30

Hence, mean is:

M = 45 -1.5S = 45 - 1.5 (10) = 30

3 0
3 years ago
A manufacturer inspects 400 personal video players that 397 of the have no defects. The manufacturer sent a shipment of 1,500 vi
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At least 15% of the players in the shipment will have no defects
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