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Debora [2.8K]
3 years ago
8

you need to buy 10lb of rice. A 2lb bag costs $1.29. A 10lb bag costs $6.99. You want to buy a 10lb bag. your friend thinks buyi

ng a five 2lb bag is a better deal because the unit rate is lower. Is your friend correct?
Mathematics
1 answer:
Ugo [173]3 years ago
7 0

Answer:

Yes your friend is correct. If you buy five bags of the 2 lb bag then you will pay $0.54 less than what you would have to pay for a 10lb bag.

Step-by-step explanation:

1.29 x 5 = 6.45

6.99 - 6.45 = 0.54

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Sin^2 a/2 - sin a/2 + 1/4 = 0​
zimovet [89]

Answer:

<u>a = 60° or π/3</u>

Step-by-step explanation:

<u>Given :-</u>

sin² a/2 - sin a/2 + 1/4

<u>To find :-</u>

a

<u>Solving :-</u>

sin² a/2 - sin a/2 + 1/4 = (sin a/2 - 1/2)² = 0

sin a/2 - 1/2 = 0

sin a/2 = 1/2

a/2 = 30°

<u>Solution :-</u>

<u>a = 60° or π/3</u>

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Answer:

Perpendicular lines (c)

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3 years ago
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liubo4ka [24]
Answer:
B) F
You put √22 in a calculator and it gives you ≈ 4.69
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Sergio039 [100]
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4 years ago
Read 2 more answers
184500 $ are to be divided between 2 people. One person has 80% of what the other person has. How much does each one receive in
Annette [7]

Given:

$184500 are to be divided between 2 people.

One person has 80% of what the other person has.

To find:

The amount each one receive in $.

Solution:

Let $x be the amount received by first person. Then,

Amount received by the second person = 80% of x

                                                                   = 0.80x

Total amount = Amount received by first person + by second person

                      =x+0.80x

                      =1.80x

Total amount is 184500. So,

1.80x=184500

x=\dfrac{184500}{1.80}

x=102500

So, the amount received by the first person is $102,500.

0.80x=0.80\times 102500

0.80x=82000

So, the amount received by the second person is $82,000.

6 0
3 years ago
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