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Step2247 [10]
2 years ago
11

( algebra ) can you please help ​

Mathematics
1 answer:
Alborosie2 years ago
3 0

Answer:

-6 <= x <= 4

Step-by-step explanation:

a) -15<= 2x -3

-15+3 <= 2x

-12/2 <= x

x >= -6

b) 2x - 3 <= 5

2x <= 5 + 3

x <= 8/2

x <= 4

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A repairman leans the top of an 26 foot ladder against the
aleksandr82 [10.1K]

Answer:

653.91 squared or 326.955 not squared

Step-by-step explanation:

We have a hyponuse of 26 and one leg of 4.7 and we are trying to figure out the missing leg!

The first step is

A^2 + B^2 = C^2

2 step

4.7^2 + B^2 = 26^2

3 step

4.7 x 4.7 =  22.09  and 26 x 26 = 676

4 step

22.09 + B^2 = 676

5 step

676 - 22.09 = 653.91

6 step

Answer

653.91 squared or 326.955 not squared!

hope this helps

7 0
3 years ago
Which of the following is equivalent to X2 - 8x - 7 = 0?
I am Lyosha [343]

Answer:

Part 1)   (the missing steps in the explanation)

Part 3) (8, 4); The vertex represents the maximum profit

Part 4) x = 3.58, 0.42

Part 5) x = 6, x = 44; The zeros represent the number of monthly memberships where no profit is made

Part 6) 2(x − 7)2 + 118; x = $7

Part 7) The maximum height of the puck is 4 feet. −(x − 4)^2 + 6

Part 8) (x + 3)^2 − 4

Part 9) 2(x − 1)^2 = 4

Part 10) 8(x − 4)^2 + 592

Step-by-step explanation:

3 0
3 years ago
Use the grouping method to factor x3 + x2 + 3x + 3
Alex

Answer:

8x +3

Step-by-step explanation:

Just collect the like terms, like terms have the same variable. So in this case, 2x, 3x, 3x all share the variable x, so we can add it together.

So when simplified:

2x +3x + 3x+ 3 = 8x +3

Hope this helped,

Cate

4 0
3 years ago
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in money or weighing things.

Step-by-step explanation:

4 0
3 years ago
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ehidna [41]
65.5

hope it is correct
8 0
3 years ago
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