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Inga [223]
3 years ago
6

2×|x|+19=167 find the values of x

Mathematics
1 answer:
Nuetrik [128]3 years ago
3 0

Answer:

x = 74

Step-by-step explanation:

2 * x + 19 = 167

2x + 19 = 167

So we have to subtract 19 from both sides

2x = 148

Divide both sides by 2

x = 74

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Terry deposits $500 in an account. The account earns 5% interest, compounded annually. He does not deposit or withdraw any other
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
If you get a sneak peak at the salary list of your job and realize you are in the lowest bracket, which is the lowest 1%, what i
hoa [83]

Answer:

z=-2.33

And if we solve for a we got

a=48000 -2.33*5500=35185

And for this case the answer would be 35185 the lowest 1% for the salary

Step-by-step explanation:

Let X the random variable that represent the salary, and for this case we can assume that the distribution for X is given by:

X \sim N(48000,5500)  

Where \mu=48000 and \sigma=5500

And we want to find a value a, such that we satisfy this condition:

P(X>a)=0.99   (a)

P(X   (b)

We can use the z score again in order to find the value a.  

As we can see on the figure attached the z value that satisfy the condition with 0.01 of the area on the left and 0.99 of the area on the right it's z=-2.33. On this case P(Z<-2.33)=0.01 and P(z>-2.33)=0.99

If we use condition (b) from previous we have this:

P(X  

P(z

But we know which value of z satisfy the previous equation so then we can do this:

z=-2.33

And if we solve for a we got

a=48000 -2.33*5500=35185

And for this case the answer would be 35185 the lowest 1% for the salary

7 0
3 years ago
3x-8(2x+3)= -6(2x+5)
faust18 [17]
3x-16x-24=-12x-30
-13x+12x=-30+24
-x=-6   /*(-1)
x=6
7 0
3 years ago
Read 2 more answers
Please help, I have no idea what it's asking :')
Andre45 [30]

the answer is step by step CFE

3 0
3 years ago
Find the range of the data set 145, 612, 120, 349, 515, 212, 590.
storchak [24]

Answer:

The biggest - the smallest

612-120=492

6 0
2 years ago
Read 2 more answers
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