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Kruka [31]
3 years ago
9

John and Jane went to a bakery to get cookies for a party. Jane bought x cookies that were $3 each. John bought x cookies that w

ere on sale for $1 plus he got a small cake for $10.00. How much did John and Jane each spend, if they spent the same amount of money?​
Mathematics
1 answer:
Natasha2012 [34]3 years ago
3 0

Answer:

They spent $15.

Step-by-step explanation:

It's given that Jane bought x cookies, so 3x.

John spent $1 on each of the x cookies he got, and also an extra $10, so x+10.

3x=x+10

2x=10

x=5

So they got 5 cookies each.

5 cookies x $3= $15 (check with $5(1)+$10= $5+$10= $15 )

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Alexus [3.1K]

Answer:

Step-by-step explanation:

The answer is 1/27

due to

(1/3)^3 = [(1)^3]/[3^3] =1/27

Best regards

3 0
3 years ago
Use the quadratic equation x^2+3x+5=0 to answer the questions. A: What is the discriminant of the quadratic equation? B: Based o
alisha [4.7K]

Answer:

A: -11

B: Two complex solutions

Step-by-step explanation:

The discriminant of this equation is 3^2-20=9-20=-11. Since the discriminant is negative, its square root will be an imaginary number, and there will be two complex solutions. Hope this helps!

3 0
3 years ago
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The lay in Burlington collected $3 930 in overdue fees last year. This year, the library
almond37 [142]

Answer:

We conclude that the percent of decrease = 20%

Step-by-step explanation:

Given

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Using the formula

Percent of decrease = ( amount of decrease / orignal amount × 100 ) %

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Therefore, we conclude that the percent of decrease = 20%

4 0
3 years ago
Name four pairs of correspondidng angles
PIT_PIT [208]
I believe they are: (2,8), (4,6), (1,7), and (3,5) I could be wrong, but I'm almost certain that's it. Hope that helps.
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Murrr4er [49]
If you want to know the value of a  function, you need to substitute the variable (here n) for the value:

so in the function

9(n+2)−5n

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<span>9(14+2)−5*14

first calculate the inside of the bracket:

</span>
<span>9*16−5*14

9 times 16 is 144

144-5*14

5*14 is 70, so we have

144-70=74

so the answer should actually be 74!

Perhaps you mistyped the questions? can you check it again, please?

</span>
5 0
3 years ago
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