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pogonyaev
3 years ago
11

Simplify this expression 5a/11a

Mathematics
2 answers:
barxatty [35]3 years ago
6 0
You could cross cancel the a and your final answer would be 5/11
choli [55]3 years ago
6 0
For this case we have the following expression:
 5a / 11a
 Rewriting the expression we have:
 (5/11) (a / a)
 We can cancel similar terms.
 Simplifying we have:
 (5/11)
 Answer:
 
The simplified expression is given by:
 
(5/11)
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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
B. Write an equation that shows the relationship 64% of
White raven [17]

B.

0.65 \times y = 40 \\ y =  \frac{40}{0.65}

C.

.45 \times x = 72 \\ x =  \frac{72}{.45}  \\ x = 160 \\ 45 \: percent \: of \: 160 \: is \: 72

7 0
3 years ago
Is 15º an acute angle, right angle, obtuse<br> angle, or straight angle?<br> flant role
White raven [17]

Answer:

acute angle

Step-by-step explanation:

right is 90 degrees

obtuse is greater than 90 degrees

acuta is less than 90 degrees

straight is 180 degrees

so acute.

Brainliest appreciated

8 0
3 years ago
How to convert 15/8 as a mixed number?
Step2247 [10]
15-8 = 7
1 7/8 :)
.............
8 0
3 years ago
What is the length of bc? AC = 8 AB = 17
padilas [110]

Using Pythagoras theorem,

17^2=8^2+(BC)^2\implies BC=\sqrt{17^2-8^2}=15.

Hope this helps.

5 0
3 years ago
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