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almond37 [142]
3 years ago
9

Round the number 2,787 to the nearest hundred​

Mathematics
1 answer:
miskamm [114]3 years ago
5 0

Answer:

2,800

Step-by-step explanation:

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Select TWO expressions from the list that have the same value.
avanturin [10]

Answer:

cos 67 and sin 23........

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3 years ago
Miss Becky baked some cookies. Then she brought 25% of them to her company. At the company, she gave 40% of what she brought to
ch4aika [34]

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A lot of cookies

Step-by-step explanation:

She is very generous, I wish I had nice teachers.

5 0
3 years ago
Solve for x<br> 3/10 = x/7<br> Give your answer as an improper fraction in its simplest form!!!!!
julsineya [31]

Answer:

x = 21/10

Step-by-step explanation:

3/10 = x/7

Cross multiply.

10x = 21

x = 21/10

5 0
3 years ago
Read 2 more answers
Please help me with this
Mariulka [41]

Answer:

AB = 2*sqrt(5) or

AB = 4.47

Step-by-step explanation:

AB is the hypotenuse of a right triangle A and B and the corner where 2 and 4 meet.

The length of AB is governed by the Pythagorean Theorem.

AB^2 = x^2 + y^2                  Substitute 2 and 4 for x and y    

AB^2 = 2^2 + 4^2                 Expand the right side

AB^2 = 4 + 16                        Add the right side

AB^2 = 20                             Take the square root of both sides

sqrt(AB^2) = sqrt(20)

Factor 20 = 2*2 *5

Rule: when taking the square root of a number the pairs can take 1 member of the pair outside the root sign and throw the other one a way.

AB = 2 * sqrt(5)                       One of the roots has been thrown away.

3 0
3 years ago
McDonald has 69 water troughs for animals to drink from. Horses drank from horse troughs exactly 2 for each trough. Cows drank f
Svet_ta [14]

Answer:

216 animals

Step-by-step explanation:

Let n represent the number of each type of animal.

Since there are two horses for every horse trough, then n must be divisible by 2. Since there are three cows for every cow trough, then n must be divisible by 3. Since there are eight pigs for every pig trough, then n must be divisible by 8. Therefore, n must be divisible by 2, 3 and 8. The smallest number divisible by 2, 3, and 8 is 24. (This number is called the lowest common multiple or LCM, for short.)

If there are 24 of each kind of animal, there would be 24 ÷ 2 = 12 troughs for horses, 24 ÷ 3 = 8 troughs for cows and 24 ÷ 8 = 3 troughs for pigs. This would require a total of 12 + 8 + 3 = 23 troughs. Since there are 69 troughs and

69 ÷ 23 = 3, we require 3 times more of each type of animal. That is, there would be 24 × 3 = 72 of each type of animal. The total number of animals is 72+72+72 or 216.

Therefore, McDonald has 216 animals.

Hope this helps :)

8 0
3 years ago
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