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igomit [66]
2 years ago
7

1. Sara has opened her own bakery, where customers can buy three chocolate chip cookies for $2.49.

Mathematics
2 answers:
Anna35 [415]2 years ago
8 0
The answer is .83 cents. The cost of three cookies is $5.49 divided by 3 is $.85 giving you the cost of each cookie.
adell [148]2 years ago
5 0

Answer:

The answer on that problem is:0,83$ the one chocolate chip coockie.

Step-by-step explanation:

2,49$÷3 (to find the price of one coockie)

which is 0,83$

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1 − 2 + 3 −... + 99 <br> Please solve!
Lemur [1.5K]

Answer:

50

Step-by-step explanation:

So you can think of this by grouping it like this:

(1-2) + (3-4) + (5-6) + ... + (97-98) + 99

which is equal to: (-1) + (-1) + (-1)... + (-1) + 99

(each group is equal to -1, and 99 won't have a pair since it's the last one)

then, find how many groups of -1 there are:

the groups start at 1 and end at 98, but there are two in each group, so 98/2 = 49. this means there are 49 groups.

so now, you know that there are 49 -1s, so 49 * (-1) = -49.

finally, you can't forget the extra 99 that didn't have a pair, so -49 + 99 = 50.

6 0
1 year ago
How are the steps to solving quadratic equations similar in the various methods?
Vedmedyk [2.9K]

Answer:

The four methods of solving a quadratic equation are factoring, using the square roots, completing the square and the quadratic formula.

Step-by-step explanation: hope this helped!

(if not sorry :p )

4 0
3 years ago
Rewrite g(x) = x2 – 5x + 3 in vertex form.
VARVARA [1.3K]

Answer:

2xy - 5x +3

Step-by-step explanation:

4 0
3 years ago
R = rmax (1-N/K) <br><br> i don’t understand??
butalik [34]

As given r = r(max)/2

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By substituting the values,

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You have to use following equation to get a value of N

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N/k = 1 - r/r(max)

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N= 50 × 0.5 = 25

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3 years ago
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