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Pani-rosa [81]
2 years ago
8

You bake cookies for a bake sale. The ratio of chocolate chip cookies to oatmeal cookies is 7 : 5. You bake 15 oatmeal cookies.

How many chocolate chip cookies do you have?
Mathematics
1 answer:
ololo11 [35]2 years ago
3 0

Answer:

21

Step-by-step explanation:

15 divided by 5 is 3

7 times 3 = 21

Answer - There are 21 chocolate chip cookies.

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What are the real and complex solutions of the polynomial equation x^4+3x^2-4
Lyrx [107]

Answer: (D) -1,1,-2i,2i

Explanation:

x^4+3x^2-4 = 0\\x^2 \rightarrow z\\z^2 + 3z -4 = 0 \\z_1 = -4\\z_2 = 1\\x_{1,2} = \pm\sqrt{-4}=\pm 2 i\\x_{3,4} = \pm 1

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2 years ago
What is the next number in sequence -2, 10 -50, 250
strojnjashka [21]

Answer:

2×5=10

10×5=50

50×5=250

250×5=1250

your next Number = -1250

hope It helps

8 0
2 years ago
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4 2/3−1 1/3÷2 <br> find the value of this question
kozerog [31]
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3 0
3 years ago
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Try to get the answer and explain how u got it​
lubasha [3.4K]

Answer:

I think it's a

Step-by-step explanation:

because obviously the pyramid has a square base and triangles around it, which rules out c, and if you try and fold them together in your head

3 0
2 years ago
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The original selling price was ​$154.30 The sale price was ​$127.92 What is the first step in finding the percent​ markdown?
Annette [7]

Answer:

subtract the new price from the original price

Step-by-step explanation:

To find the percent markdown, first subtract the new price from the original price

154.30-127.92

26.38

Then divide by the original price

26.38/154.30

.170965651

Multiply by 100% to get the percent decrease

17.0965651% decrease

7 0
2 years ago
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