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3 years ago

target sell 24 bottle of water for$3, and 36 bottle of water for $4. which is the batter buy and how much?

Mathematics

2 answers:

Ksenya-84 [330]3 years ago

5 0

Probably the 36 for 4$, but it also depends on the fluid OZ's of the bottle.

Ratling [72]3 years ago

4 0

Well, the $3 pack is giving you 24 bottles at 8 cents each. The $4 pack is giving you 36 bottles at 9 cents each. The 36 is a better deal because you're getting 12 more bottles of water than you get in the $3 pack for a better price.

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Sam earned $130 last week. Jay earned $150 last week. They combined their money and decided to donate 1/5 of their total amount

defon

Jay's claim is false. They would have $156.8 left which is 56% of their original combined total.

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3 years ago

Given the speeds of each runner below, determine who runs the fastest.

Airida [17]

Adam divide the time by the distance and the biggest number is the fastest

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2 years ago

A golfer keeps track of his score for playing nine holes of golf (half a normal golf round). His mean score is 8080 with a sta

solniwko [45]

Answer:

Therefore the mean and standard deviation of his total score if he plays a full 18 holes are 160 and $11\sqrt2$ respectively.

Step-by-step explanation:

Given that,

For the first 9 holes X:

E(X) = 80

SD(X)=13

For the second 9 holes Y:

E(Y) = 80

SD(Y)=13

For the sum W=X+Y, the following properties holds for means , variance and standard deviation :

E(W)=E(X)+E(Y)

and

V(W)=V(X)+V(Y)

⇒SD²(W)=SD²(X)+SD²(Y) [ Variance = (standard deviation)²]

$\Rightarrow SD(W)=\sqrt{SD^2(X)+SD^2(Y)}$

∴E(W)=E(X)+E(Y) = 80 +80=160

and

∴ $SD(W)=\sqrt{SD^2(X)+SD^2(Y)}$

$=\sqrt{11^2+11^2}$

$=\sqrt{2.11^2}$

$=11\sqrt2$

Therefore the mean and standard deviation of his total score if he plays a full 18 holes are 160 and $11\sqrt2$ respectively.

4 0

3 years ago

What must be added to 70 so it will divide exactly into five groups of 16

natulia [17]

Answer:

Step-by-step explanation:

$x+70=16(5)\\\\x+70=80\\\\x=10$

Therefore, the number is 10

5 0

2 years ago

Need help rn please?/..Thank you. Multiple step equation

liubo4ka [24]

Answer:

The answer (using BEDMAS) is 27

Step-by-step explanation:

The equation 9 x [(18+2) ÷ 5 - 1] is solved using BEDMAS or PEDMAS

First solve the smaller bracket

18 + 2 = 20

So then it becomes 9 x [20 ÷ 5 - 1]

Do the division inside the bracket next

20 ÷ 5 = 4

Then it becomes 9 x [4 - 1]

Do then subtraction within the bracket

4 - 1 = 3

Then it becomes 9 x 3

Finally solve 9 x 3 which equals 27

5 0

2 years ago