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natima [27]
2 years ago
9

The screenshot is below for the question

Mathematics
2 answers:
KIM [24]2 years ago
8 0

Answer:

B

Step-by-step explanation:

svp [43]2 years ago
7 0

Answer:

2+1/7x

Step-by-step explanation:

I didn't realize there were fractions in the numbers

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Solve for Z<br><br> (This should be another easy question, + there are answers you can choose from)
Delvig [45]

Answer:

Z = 6

Step-by-step explanation:

Z/12 = Cos(60°)

Z/12 = 1/2

8 0
2 years ago
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1000 households were surveyed. 275 households own a desktop computer, 455 households own a DVD player, 405 households own two ca
icang [17]

Answer:

Step-by-step explanation:

From the given information,

Suppose

X represents the Desktop computer

Y represents the DVD Player

Z represents the Two Cars

Given that:

n(X)=275

n(Y)=455

n(Z)=405

n(XUY)=145

n(YUZ)=195

n(XUZ)=110

n((XUYUZ))=265

n(X ∩ Y ∩ Z) = 1000-265

n(X ∩ Y ∩ Z) = 735

n(X ∪ Y) = n(X)+n(Y)−n(X ∩ Y)

145 = 275+455 - n(X ∩ Y)

n(X ∩ Y) = 585

n(Y ∪ Z) = n(Y) + n(Z) − n(Y ∩ Z)

195 = 455+405-n(Y ∩ Z)

n(Y ∩ Z) = 665

n(X ∪ Z) = n(X) + n(Z) − n(X ∩ Z)

110 = 275+405-n(X ∩ Z)

n(X ∩ Z) = 570

a. n(X ∪ Y ∪ Z) = n(X) + n(Y) + n(Z) − n(X ∩ Y) − n(Y ∩ Z) − n(X ∩ Z) + n(X ∩ Y ∩ Z)

n(X ∪ Y ∪ Z) = 275+455+405-585-665-570+735

n(X ∪ Y ∪ Z) = 50

c. n(X ∪ Y ∪ C') = n(X ∪ Y)-n(X ∪ Y ∪ Z)

n(X ∪ Y ∪ C') = 145-50

n(X ∪ Y ∪ C') = 95

6 0
3 years ago
The level of the water in a river rose 2.2 feet on Monday, rose 7.6 feet on Tuesday, fell 2 feet on Wednesday, and fell 7.6 feet
Alex Ar [27]

Answer:

0.2

Step-by-step explanation:

4 0
3 years ago
Out of 30 students surveved 17 have a de Based on these results,
Nana76 [90]

Answer:

170 will have dogs

Step-by-step explanation:

7 0
3 years ago
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Please help I already asked this question but they told me b and e but it was wrong. This is my last chance pleassssse help
Sergeu [11.5K]

Answer:

C

Step-by-step explanation:

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3 years ago
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