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marin [14]
1 year ago
10

How do you do this? This is algebra

Mathematics
1 answer:
CaHeK987 [17]1 year ago
7 0

Answer: -23<=x<1

Step-by-step explanation:

-3<=(11+x)/4 < 3

-3*4<=(11+x)<3*4

-12<=(11+x)<12

-12-11<=x<12-11

-23<=x<1

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7. Jena has a triangular garden with a perimeter that can be represented by 25r ^ 2 - 9r + 14 . The sum of two sides of the gard
galben [10]

Answer: 15r^2-21r+5

Step-by-step explanation:

Given: Perimeter of triangular garden = 25r^2 - 9r + 14

The sum of two sides of the garden = 10r^2 + 12r + 9

Perimeter is the sum of all sides of a triangle.

Third side = Perimeter of triangular garden - sum of two sides of the garden

=25r ^ 2 - 9r + 14-(10r ^ 2 + 12r + 9)\\\\=25r ^ 2 - 9r + 14-10r ^ 2 - 12r - 9\\\\=15r^2-21r+5

The expression represent the third side = 15r^2-21r+5.

5 0
3 years ago
What’s number 12 through 15 pls I need this ASAP
galben [10]

Answer:

12. 9

Step-by-step explanation:

12. Using Pythagoras theorem

let shortest distance be = x

8 square + 5 square = x square

64 + 25 = x square

89 = x square

Therefore x = square root of 89

Thus X = 9

8 0
3 years ago
What is the definition of an average?
uranmaximum [27]

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Answer:

Average: a calculated "central" value of a set of numbers

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How to find it in the average:

Add all of the numbers given, then divide by the number of digits.

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

Example:

Question 1. ) Find the average of the digits.

10, 12, 7, 9, 14, 8, 5, 19

Step 1. Add all of the numbers - 70

Step 2. Count how many different numbers there are - 8

Step 3. Take your first answer and your second and divide them

Step 4. 70 ÷ 8 = 8.75 So 8.75 would be the average

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

4 0
2 years ago
Read 2 more answers
What is the solution to the following system?
irakobra [83]

Answer:

None?

Step-by-step explanation:

After using the 4 answers using what I think is (x,y,z) none of the answers were true.

8 0
2 years ago
Math plss help me if u know the answer
beks73 [17]

Answe

ehmmmm

Step-by-step explanation:

6 0
2 years ago
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