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WITCHER [35]
2 years ago
15

A shop sells chocolate, vanilla and strawberry ice creams. 45% of the ice creams sold are vanilla, and 1/4 are strawberry. What

percentage are chocolate?
Mathematics
1 answer:
Mamont248 [21]2 years ago
6 0

Answer:

30%

Step-by-step explanation:

Since we want percentage, we need to convert 1/4th to percentage first.

We will divide, get decimal, and then multiply by 100 to get percentage.

1/4 = 0.25

0.25 * 100 = 25%

Now, we can say:

45% + 25% + chocolate = 100%

70% + chocolate = 100%

chocolate = 100 - 70 = 30

Chocolate = 30%

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If n is an integer, you can use induction. First show the inequality holds for n=1. You have 2^1=2>1, which is true.

Now assume this holds in general for n=k, i.e. that 2^k>k. We want to prove the statement then must hold for n=k+1.

Because 2^k>k, you have

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2k>k+1

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2 years ago
Solve the following inequality for d. Write your answer in simplest form.
suter [353]

Answer:

d>67

Step-by-step explanation:

Let's solve your inequality step-by-step.

−50−(−9d+7)>−d+10+9d

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9d−57>8d+10

Step 2: Subtract 8d from both sides.

9d−57−8d>8d+10−8d

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8 0
2 years ago
BRAINLIEST WILL I GIVE HURRY
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Answer:

{10,8}

Step-by-step explanation:

-3x + 4y = -62

4x + 5y = 0

let's eliminate the x

-3x + 4y = -62 | x -4 |

4x + 5y = 0 | x 3 |

12x - 16y = 248

12x + 15y = 0

-------------------- -

-31y = 248

y = 248/(-31) = 8

since you must do this proble with elimination, we cant use subtitution. so we repeat the way once more to find x (eliminate y)

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4x + 5y = 0 | x 4 |

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16x + 20y = 0

-------------------- -

-31x = -310

x = -310/-31 = 10

4 0
3 years ago
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