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ZanzabumX [31]
3 years ago
13

Whats the solution of 4-|x| = 1

Mathematics
2 answers:
Gala2k [10]3 years ago
7 0

Answer:

x = -3 or x = 3

Step-by-step explanation:

4 - |x| = 1

Subtract 4 from both sides:

4 - 4 - |x| = 1 - 4

- |x| = -3

Divide both sides by -1:

\frac{-|x|}{-1} = \frac{-3}{-1}

x = -3 or x = 3

ehidna [41]3 years ago
5 0

Answer:

Well, x=3, -3

Step-by-step explanation:

If you use a calculator you'll easily be able to figure this out.

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Can someone explain step by step how to do this and how to get the numbers please? HELP HELP HELP!!
Alexxandr [17]
A = 113.1
so the formula for the area of a circle is
A = pi x r^2
-pi is 3.14(rounded)

-r stands for the radius of the circle which is half the diameter so for this circle your r or radius is 6 and the radius is just squared

so when you plug the numbers in the formula it is
A = 3.14 x 6^2(squared)

A = 3.14 x 36

A = 113.1

8 0
3 years ago
The probability distribution of customers that walk into a coffee shop on any given day of the week is described by a Normal dis
Leni [432]

Answer:

15.87% probability that no more than 80 customers walk into the coffee shop next Monday

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 100, \sigma = 20

What is the probability that no more than 80 customers walk into the coffee shop next Monday?

This is the pvalue of Z when X = 80. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{80 - 100}{20}

Z = -1

Z = -1 has a pvalue of 0.1587.

So there is a 15.87% probability that no more than 80 customers walk into the coffee shop next Monday

4 0
3 years ago
one factor of the function f(x) = x^3 -7x^2+14x-8 is (x-4). describe how to find the x intercept and the y intercepts of the gra
Xelga [282]

Answer:

(2 , 0)

(1 , 0)

(4 , 0)

(0, -8)

Step-by-step explanation:

f(x) = x³ -7x² + 14x - 8

The y intercept occurs when x = 0.

This means the first three terms all go to zero an the result is y = -8

As we are given one factor, (x - 4), we know that one zero will occur when this factor is zero

x - 4 = 0

x = 4

taking out the x - 4 term from the quadratic

x³ -7x² + 14x - 8 = (x² ± Cx + 2)(x - 4)

we can see that

2x ± 4Cx = 14x

±4C = 12

C = 12/±4 = ±3

also

±Cx² - 4x² = -7x²

±C - 4 = -7

so C = -3

(x² - 3x + 2)

(x - 2)(x - 1)

x = 2

x = 1

7 0
3 years ago
Which location correctly describes the location of -34 on the number line
dimaraw [331]
Do you have any answer choices?

6 0
4 years ago
Can you please help i have been on this for ever
Lyrx [107]

Answer:

Place the closed circle (indicating that it's everything above except) with the arrow pointing toward the positive numbers on 7.

Step-by-step explanation:

12+7 is 19. But, you want everything greater than 19. So, the closed for indicates that everything above BUT 7 is the answer. Hope that helps.

7 0
4 years ago
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