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Gala2k [10]
2 years ago
15

Is the following number rational or irrational? -3+\pi−3+π

Mathematics
1 answer:
vampirchik [111]2 years ago
8 0

Answer:

Irrational

Step-by-step explanation:

I hoped this helped, I don't know if it's right

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Here are two offers for batteries.
trapecia [35]

OFFER A is cheaper.

Step-by-step explanation:

Given,

OFFER A

Pack of 5

£2.75

Pay for 3 packs get 1 free

And

OFFER A

Pack of 5

£2.75

Pay for 3 packs get 1 free

To find which offer is cheaper.

<u>For OFFER A</u>

For 4 Packets he needs to pay £2.75

He needs to buy 40 batteries.

He needs to buy 40÷(4×5) = 2 packets.

Total cost = £2.75 ×2 = £5.5

<u>For OFFER B</u>

For 4 Packets he needs to pay £2.52

He needs to buy 40 batteries.

He needs to buy 10 packets.

After discount he has to pay = £2.52 -(£2.52 ×\frac{1}{3}) = £1.68

Total cost = £1.68×10 = £16.8

Hence,

OFFER A is cheaper.

7 0
2 years ago
What is the mean for the data set?
PIT_PIT [208]
83.3
Just add up all the numbers and divide by 6, as there are six numbers in this set of numbers
7 0
2 years ago
Read 2 more answers
a local charity held a crafts fair selling donated, handmade items. Total proceeds from the sale were 1875. a total of 95 items
Anastasy [175]
55 items sold for $15 each.
40 sold for $25 each.
3 0
3 years ago
Read 2 more answers
I made some brownies and cookies to sell for a local fundraiser. The cookies sold for $0.75 each and the brownies sold for $1.25
juin [17]

Answer:

Brownies made the most money

Step-by-step explanation:

Let c = cookies

b = brownies

We sold 51 items  so c+b = 51

Cookies are .75  and brownies are 1.25

.75c + 1.25 b = 53.25

We have 2 equations and 2 unknowns

c = 51-b

Substituting into the second equation

.75(51-b) + 1.25b = 53.25

Distribute

38.25-.75b +1.25b = 53.25

Combine like terms

38.25+.5b = 53.25

Subtract 38.25 from each side

38.25 +.5b -38.25 = 53.25 -38.25

.5b =15

Divide each side by .5

.5b/.5 = 15/.5

b = 30

Now find c

c =51-b

c = 51-30

c = 21

They sold 30 brownies and 21 cookies

30 brownies * 1.25 =37.50

21 cookies *.75 = 15.75

Brownies made the most money

3 0
2 years ago
What is the answer ​
dybincka [34]

Answer:

C

Step-by-step explanation:

Just re-draw the triangle reflecting the y-axis

3 0
3 years ago
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