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lapo4ka [179]
2 years ago
6

The the nearest hundredth, what is the area of a circle with a radius of 7 units

Mathematics
1 answer:
SpyIntel [72]2 years ago
8 0

The answer is 153.94 units

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Three consecutive integers have a sum of 87. Find the integers.
elena-s [515]

Answer:

28, 29, and 30

Step-by-step explanation:

There's probably better ways but you can estimate by knowing 30*3=90 so it should be somewhere pretty close to 30. Guess and check with basic calculations to get 28, 29, and 30.

4 0
2 years ago
Which of the following is true about the bird population? Please!!!
ElenaW [278]

Answer:

D

Step-by-step explanation:

if something is multiplied by 1.025 it is increasing by 2.5 percent

5 0
2 years ago
Read 2 more answers
the average mark of three pupils are 68. what is the ratio of 5:4:3. how many marks did the best student get? HELP ME! ​
noname [10]

Answer:

85, 68, 51

Step-by-step explanation:

Average: The sum of all the numbers divided by the number of numbers

If the ratio of the scores is 5 : 4 : 3, let's just set it as 5x : 4x : 3x

Then using the definition of an average, we can write this equation.

(5x + 4x + 3x) / 3 = 68

Multiply both sides by 3.

5x + 4x + 3x = 68 * 3

Simplify.

12x = 204

x = 17

Now, substitute x = 17 into the original scores (5x, 4x, and 3x)

5x = 5 * 17 = 85

4x = 4 * 17 = 68

3x = 3 * 17 = 51

Just in case, let's check this answer. Find the average of the 3 test scores.

(85 + 68 + 51) / 3 =

204 / 3 = 68

Thus, the answers are correct

3 0
3 years ago
Can you help me with this question show your work of how you got your answer this due in 16 minutes NO LINKS OR DOING IT JUST FO
GrogVix [38]

Answer:

Nevermind im sorry because there's a vertex that isn't a whole number and i dont know how to do that, but the first ones are 6,8 and -6, 3 for the vertexes of the pre image, I dont  know how to do the other one. For the other image, one is 9, 7 and the other one is -3, 2. Again, I don't know how to do the other ones but I hope these at least help

4 0
2 years ago
Determine which ordered pair is the solution to this problem 10=-12y+2x
Fed [463]

Answer:

10-12y+2x

=5.2+6.2y+2yx

=2(5-6y+x)

done

7 0
2 years ago
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