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3 years ago

What is the value of x? Enter your answer in the box. x =

Mathematics

2 answers:

Yuliya22 [10]3 years ago

8 0

What is the equasion then i can tell u the answer

VikaD [51]3 years ago

4 0

You need a equation/expression to solve the problem because x is impossible to find.

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A graphed line with a slope of -1/3 and passing through a point of (3,-4)

LenaWriter [7]

Answer:

$y=-\frac{1}{3}x-3$

Step-by-step explanation:

we know that

The equation of the line in point slope form is equal to

$y-y1=m(x-x1)$

we have

$m=-\frac{1}{3}$

$(x1,y1)=(3,-4)$

substitute

$y+4=-\frac{1}{3}(x-3)$

Convert to slope intercept form

isolate the variable y

$y+4=-\frac{1}{3}x+1$

$y=-\frac{1}{3}x+1-4\\y=-\frac{1}{3}x-3$

3 0

4 years ago

The Los Angeles Times regularly reports the air quality index for various areas of Southern

Troyanec [42]

Answer:

Range = 32 ; IQR = 13 ; Variance = 92.75 ; Standard deviation = 9.63

Step-by-step explanation:

Given the data:

28, 42, 58, 48, 45, 55, 60, 49, 50

Reorderd data: 28, 42, 45, 48, 49, 50, 55, 58, 60

The range: maximum - minimum

Range = 60 - 28 = 32

Interquartile range (IQR) : Q3 - Q1

Q3 = 3/4(n+1) th term. ; n = sample size

Q1 = 1/4(n+1)th term.

Using calculator :

Q3 = 56.5 ; Q1 = 43.5

IQR = 56.5 - 43.5 = 13

The variance :

Σ(X - m)^2 / n-1

m = Σx / n

Mean, m = 435 / 9 = 48.33

Variance :

[(28-48.33)^2 + (42-48.33)^2 + (45-48.33)^2 + (48-48.33)^2 + (49-48.33)^2 + (50-48.33)^2 + (55-48.33)^2 + (58-48.33)^2 + (60-48.33)^2] / 8

= 742.0001 / 8

= 92.75

Standard deviation = sqrt(Variance):

Sqrt(92.75) = 9.63

C.)

Sample mean are very close with a slightly greater Variability in the air quality of Anaheim over Pomona

8 0

3 years ago

Sue drank 3 glasses of juice. She drank a total of 24.3 ounces. How much did each glass

otez555 [7]

Answer: 8.1 ounces

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Multiplying an even number of negative numbers gives an answer that is ______________ choose from:positive

fomenos

Keywords:

<em>Pair of numbers, negatives, law of signs, multiply </em>

For this case we must say that it is obtained by multiplying any even number of negative numbers, that is, if a positive or negative number is obtained.

We must bear in mind that the Law of Signs states that:

$+ * + = +\\+ * - = -\\- * + = -\\- * - = +$

For example:

Let -a, -b, -c, -d negative numbers, we have:

A pair: $(-a) * (- b) = + ab$

Two pairs: $(-a) * (- b) * (- c) * (- d) = (+ ab) * (+ cd) = + abcd$

This is true for the multiplication of any pair of negative numbers.

So, the answer is: You get a positive number

Answer:

A positive number is obtained

4 0

4 years ago

Jessica's monthly gross pay is $5,660. Each month she has $355 in deductions,

Shtirlitz [24]

Answer:

The net pay of her will be $4702.21

Step-by-step explanation:

The State Tax plus Social Security Taxes plus Medicare takes (3 + 6.2 + 1.45) = 10.65% from Jessica's monthly gross pay.

If the gross pay is $5660 then the after the above deduction the remaining pay will be $5660(1 - \frac{10.65}{100}) = 5057.21$ dollars.

Now, again there is a deduction of $355 from her payment each month.

Therefore, the net pay of her will be = $(5057.21 - 355) = $4702.21 (Answer)

5 0

3 years ago