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3 years ago

What is the simplest form of Negative 0.14 in a mixed number

Mathematics

1 answer:

Kazeer [188]3 years ago

7 0

0.14 = 14/100 = 7/50

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Whoever answers wuestion 4 i will mark u brainliest

nika2105 [10]

Answer:

i cant really see the picture but the answer is 6 1/2 divided by 1/4

Step-by-step explanation:

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2 years ago

Lisa is cooking muffins.the recipe call for 7 cups of sugar . She has already put 2 cups . how many more cups does she need

stealth61 [152]

She only needs 5 more cups.

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3 years ago

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Find the number of elements in A 1 ∪ A 2 ∪ A 3 if there are 200 elements in A 1 , 1000 in A 2 , and 5, 000 in A 3 if (a) A 1 ⊆ A

lina2011 [118]

Answer:

a. 4600

b. 6200

c. 6193

Step-by-step explanation:

Let $n(A)$ the number of elements in A.

Remember, the number of elements in $A_1 \cup A_2 \cup A_3$ satisfies

$n(A_1 \cup A_2 \cup A_3)=n(A_1)+n(A_2)+n(A_3)-n(A_1\cap A_2)-n(A_1\cap A_3)-n(A_2\cap A_3)-n(A_1\cap A_2 \cap A_3)$

Then,

a) If $A_1\subseteq A_2, n(A_1 \cap A_2)=n(A_1)=200$ , and if $A_2\subseteq A_3, n(A_2\cap A_3)=n(A_2)=1000$

Since $A_1\subseteq A_2\; and \; A_2\subseteq A_3, \; then \; A_1\cap A_2 \cap A_3= A_1$

$n(A_1 \cup A_2 \cup A_3)=\\=n(A_1)+n(A_2)+n(A_3)-n(A_1\cap A_2)-n(A_1\cap A_3)-n(A_2\cap A_3)-n(A_1\cap A_2 \cap A_3)=\\=200+1000+5000-200-200-1000-200=4600$

b) Since the sets are pairwise disjoint

$n(A_1 \cup A_2 \cup A_3)=\\n(A_1)+n(A_2)+n(A_3)-n(A_1\cap A_2)-n(A_1\cap A_3)-n(A_2\cap A_3)-n(A_1\cap A_2 \cap A_3)=\\200+1000+5000-0-0-0-0=6200$

c) Since there are two elements in common to each pair of sets and one element in all three sets, then

$n(A_1 \cup A_2 \cup A_3)=\\=n(A_1)+n(A_2)+n(A_3)-n(A_1\cap A_2)-n(A_1\cap A_3)-n(A_2\cap A_3)-n(A_1\cap A_2 \cap A_3)=\\=200+1000+5000-2-2-2-1=6193$

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2 years ago

What does this graph tell you about the price of almonds?

liraira [26]

Answer:

<h2>2.3 pound costs 45 cents</h2>

Step-by-step explanation:

That point on the graph shows it. $0.45 for the cost, 2.3 for the pounds.

I'm always happy to help :)

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3 years ago

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Which equation is equivalent to 5x = In 8?

emmainna [20.7K]

Answer:

5x= in 8

Step-by-step explanation:

There is no other equation so i hope this is right

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2 years ago