Question 3 of 5

Mathematics

1 answer:

gladu [14]3 years ago

5 0

Answer:

triangle A

Step-by-step explanation:

the area is 16cm²

8×4/2 = 32/2 = 16

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Let U be a universal set with subsets A and B such that n(U)=118, n(A)=57, n(B′)=69, and n(A∩B)=11. Find the following:

Arturiano [62]

$n(B)=n(U)-n(B')=118-69=49\\
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n((A\cap B)')=n(U)-n(A\cap B)=118-11=107$

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3 years ago

Question 1

wlad13 [49]

You can draw vertical line, and get 2 rectangles.
1) First one with sides 2 and 7.
2) Second one with sides 1 and (5-2) = 3, 1 and 3.

3) Area of the first one =2*7=14 units²
4)Area of the second one = 1*3=3 units²

5) Area of the whole polygon = 14+3=17 units²

Answer C. 17units².

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4 years ago

What is x? x/3 +10=15<br> A.15 B.-8

Charra [1.4K]

X is 15because 15-10=5
x= 3*5
x=15

6 0

3 years ago

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For a sample of n = 36 that has a sample variance of 1,296, what is the estimated standard error for the sample? 6 37 36 6. 9

Liula [17]

The estimated standard error for the sample is 6

Given,