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Montano1993 [528]
3 years ago
9

An artist designs a rectangular quilt piece with different types of ribbon that go from the corner to the center

Mathematics
1 answer:
Allisa [31]3 years ago
7 0

Answer: BX = 7  

======================================

Explanation:

For any rectangle, the diagonals are the same length and they cut each other in half (aka bisect each other).

This means diagonal BD = AC = 14 and BX = BD/2 = 14/2 = 7. The value of AB is never used.

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I need help preciate it
kipiarov [429]

Answer:  x=1

They all have 1 for their x coordinate; 'nuff said.

6 0
3 years ago
What are the standard deviation and the relative standard deviation for the percent of cacl2?
Elenna [48]
Idk im just tryna complete a challenge lol

4 0
3 years ago
A marketing consultant observed 40 consecutive shoppers to estimate the average money spent by shoppers in a supermarket store.
KonstantinChe [14]

Answer:

0.998 is the probability that the average money spent by  a sample of 40 shoppers is within $10 of the actual population mean.

Step-by-step explanation:

We are given the following information in the question:

Standard Deviation, σ = $21.51

We are given that the distribution of average money spend is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}

We have to find:

P( average money spent is within $10 of the actual population mean.)

= P( z \leq \displaystyle\frac{10\times \sqrt{40}}{21.51}}) = P(z \leq 2.94)

Calculation the value from standard normal z table, we have,  

P(z \leq 2.94) = 0.998

6 0
3 years ago
x27% of all telephones of a certain type are submitted for service while under warranty. Of these, 63% can be repaired whereas t
Molodets [167]

Answer:

  I know the formula and believe I can answer the question, I just want to make sure I'm using the right probability,p from the equation bellow.

Using the equation: p(x)=(nx)px(1−p)n−x. I wanted to know if p=2/10?

Step-by-step explanation:

no steps just answer

3 0
3 years ago
Select the correct answer.
vivado [14]

Answer:

B will be the answer...

Step-by-step explanation:

The second equation in system B is only in terms of y, so we need to use elimination to eliminate the x term from the second equation in system A.

To do that, we need to multiply the first equation by 5.

5 (-x − 2y = 7)

-5x − 10y = 35

Add to the second equation.  Notice the x terms cancel out.

(-5x − 10y) + (5x − 6y) = 35 + (-3)

-16y = 32

Combining this new equation with the first equation from system A will get us system B.

-x − 2y = 7

-16y = 32

4 0
2 years ago
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