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GREYUIT [131]
3 years ago
14

Help me please thank you

Mathematics
1 answer:
Kruka [31]3 years ago
3 0

this is probably wrong but i got 25.2

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PRECALCULUS, PLEASE HELP!
solmaris [256]

Hello from MrBillDoesMath!

Answer:

If n is even, sum =  n/2.

If n is odd, sum =  (n-1)/2  - 16


Discussion:

See attached doc and ask questions!

Thank you,

MrB

8 0
3 years ago
Solve for x. 3:12 = x:16 9/4 4 64
Mekhanik [1.2K]
You have
  3/12 = x/16
Multiply by 16
  16*(3/12) = x = 4

x = 4
3 0
3 years ago
Read 2 more answers
Solve: (3*5)+(45*4)-(24/2)+(12-4)-(5*2)=
Anna11 [10]

Answer:

B) 181

Step-by-step explanation:

3*5=15

45*4=180

24/2=12

12-4=8

5*2=10

15+190-12+10-10=181

8 0
3 years ago
At a farmers market strawberries cost $1.60 per pint, blueberries cost $2.30 per pint. A shopper bought twice as many pints of s
djverab [1.8K]

<em><u>4 pints of strawberries and 2 pints of blueberries are bought</u></em>

<em><u>Solution:</u></em>

Let "a" be the pints of strawberries bought

Let "b" be the pints of blueberries cost

Cost per pint of strawberry = $ 1.60

Cost per pint of blueberry = $ 2.30

<em><u>A shopper bought twice as many pints of strawberries as pints of blueberries</u></em>

Therefore,

a = 2b --------- eqn 1

<em><u>They spent a total of $11.00. Therefore we frame a equation as:</u></em>

pints of strawberries bought x Cost per pint of strawberry + pints of blueberries cost x Cost per pint of blueberry = 11

a \times 1.60 + b \times 2.30 = 11

1.6a + 2.3b = 11 --------- eqn 2

<em><u>Substitute eqn 1 in eqn 2</u></em>

1.6(2b) + 2.3b = 11

3.2b + 2.3b = 11

5.5b = 11

Divide both sides by 11

b = 2

<em><u>Substitute b = 2 in eqn 1</u></em>

a = 2(2)

a = 4

Thus 4 pints of strawberries and 2 pints of blueberries are bought

5 0
3 years ago
Tina bought two pairs of regular socks and one pair of long fleece socks. The fleece socks cost $12. If the final price, includi
OverLord2011 [107]

write an equation for the purchase :

$12 + 2x + tax = $30.45

(12 +2x)* 1.05 = 30.45

solve for x to get

x = $8.5

the price of a pair of regular socks is $8.50

6 0
3 years ago
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