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Ghella [55]
4 years ago
14

If x and y are both negative, when is x-y positive?

Mathematics
1 answer:
GREYUIT [131]4 years ago
5 0
Because 2 negatives make a positive xx
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Serenity picked 75% of the apples of a tree in her backyard. If she picked 30 apples, how many apples were on the tree to begin
Stells [14]

Given:

Serenity picked 75% of the apples of a tree in her backyard.

She picked 30 apples.

To find:

The number of apples on the tree in the beginning.

Solution:

Let x be the number of apples on the tree in the beginning.

Serenity picked 75% of the apples of a tree in her backyard.

Number of apples picked = 75% of x

                                           = \dfrac{75}{100}x

                                           = \dfrac{3}{4}x

She picked 30 apples.

\dfrac{3}{4}x=30

Multiply both sides by 4.

3x=4\times 30

3x=120

Divide both sides by 3.

x=\dfrac{120}{3}

x=40

Therefore, the number of apples on the tree in the beginning is 40.

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3 years ago
PLEASE HELP!!
Katena32 [7]
The formula for a regular polygon, which this one is, is A = 1/2 ap where a is the apothem and p is the perimeter.  20.8 * 7 = 145.6 which is the perimeter, so now just multiply by 21.6 and .5.  145.6 * 21.6 * .5 = 1572.48, or B above.
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3 years ago
Zack bought two jet skis for $15,480. He will make 36 payments. How much will each payment be?
Elenna [48]
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4 0
3 years ago
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Help me please I’ll give you brainliest
dedylja [7]

Answer:

i think the answer is a

Step-by-step explanation:

4 0
4 years ago
The combination for opening a safe is a four-digit number made up of different digits. How many different comninations can you m
morpeh [17]

There are 625 different 4-digit codes only made with odd numbers.

<h3></h3><h3>How many different combinations can you make?</h3>

To find the total number of combinations, we need to find the number of options for each one of the digits.

There are 4 digits, such that each digit can only be an odd number.

  • For the first digit, there are 5 options {1, 3, 5, 7, 9}
  • For the second digit, there are 5 options {1, 3, 5, 7, 9}
  • For the third digit, there are 5 options {1, 3, 5, 7, 9}
  • For the fourth digit, there are 5 options {1, 3, 5, 7, 9}

The total number of different combinations is given by the product between the numbers of options, so we have:

C = 5*5*5*5 = 625.

There are 625 different 4-digit codes only made with odd numbers.

If you want to learn more about combinations:

brainly.com/question/11732255

#SPJ1

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