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dimaraw [331]
3 years ago
13

A process is turning out end items that have defects of type a, or type b, or both. if the probability of type a defect is 0.1 a

nd of type b is 0.2, the probability that an end item will have defects is:
Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0
 the probability will end up being
0.28
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What is the arc measure of DBC in<br> degrees?
Arisa [49]
<h2>Answer:</h2><h2 />

In this context:

\boxed{\angle DBC=x=60^{\circ}}

<h2>Explanation:</h2>

Hello! Remember to write complete questions in order to get good and exact answers. Here the figure is missing so I'll assume the arc measure of DBC is given in radian and you want it in degrees. By definition, an arc's measure is <em>the measure of its central angle </em>being a central angle an <em>angle between two radii in a circle</em>. Suppose that angle measures:

\angle DBC=\frac{\pi}{3}\ radian \\ \\ \\ So, \ by \ rule \ of \ three: \\\\ \\ \pi \ radian \rightarrow 180 \ degrees \\ \\ \pi/3 \ radian \rightarrow x \ degrees \\ \\ \\ x =\frac{180\pi}{3\pi}=60^{\circ} \\ \\ \\ Finally: \\ \\ \boxed{\angle DBC=x=60^{\circ}}

8 0
3 years ago
Noam chose 3 songs from a pile of 20 songs to play at a piano recital. What is the probability that she chose The Entertainer, S
OverLord2011 [107]

Answer:

3/20

Step-by-step explanation:

She chose 3 songs out of twenty so those three songs should be out of that twenty.

7 0
2 years ago
a 4 sided cube, numbered 1-4, is rolled twice. Determine the sample space. how many possible outcomes are there?
kherson [118]

Answer:

16

Step-by-step explanation:

1        1

1        2

1        3

1        4

2        1

2        2

2        3  

2        4

Three and four are done exactly the same way. the total is 16 ways.  

3 0
3 years ago
Mr. Dion is the band director at school. He asks students
Agata [3.3K]
I think B I’m
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8 0
2 years ago
Quadrilateral HGEF is a scaled copy of quadrilateral DCAB. What is themeasurement of lin EG?
lozanna [386]

Answer:

14 units

Explanation:

If quadrilaterals HGEF and DCAB are similar, then the ratio of some corresponding sides is:

\frac{FH}{BD}=\frac{EG}{AC}

Substitute the given side lengths:

\begin{gathered} \frac{6}{3}=\frac{EG}{7} \\ 2=\frac{EG}{7} \\ \implies EG=2\times7 \\ EG=14 \end{gathered}

The measurement of line EG is 14 units.

3 0
1 year ago
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