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Serjik [45]
2 years ago
12

Please help!!!!!

Mathematics
1 answer:
Art [367]2 years ago
6 0
The answer to the question is a
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Answers and work for answers please
larisa [96]

Answer:

1) 5 2) 6 3) 1.25 or -1.75

Step-by-step explanation:

1. x^2 - 25 = 0

x^2 - 25 = 0

First, add 25 to both sides!

x^2 = 25

Now square root both sides.

x = 5

2.  (x-2)^2 = 16

First, square root both sides.

(x-2) = 4

Add 2 on both sides.

(x) = 6

x = 6

3. Quadratic Formula = -b ± \sqrt{b^{2}-4ac } / 2a

Substitute in:

-6 ±\sqrt{7^{2} -4(2)(6)} / 2(2)

-6±\sqrt{49 - 48} / 4

Both forms:

-6 + \sqrt{1} / 4

5 / 4 = 1.25

Negative:

-6 - 1 / 4

-7 / 4 = -1.75

8 0
2 years ago
Check me please for mistakes
andriy [413]
The first 3 are correct but for the last one I’m not sure
3 0
3 years ago
PLS HELP DUE TODAY (show work pls) i only have one attempt left
mr Goodwill [35]

Answer:

44 - 27 = 17

2hours 40min ---> 2 2/3

17 divided by 2 2/3 is equal to

<u>i d k f a m i got 6.375 km/hour </u>

5 0
3 years ago
What is equivalent to 35d-25
baherus [9]

Answer:

5(7d-5)

Step-by-step explanation:

taking 5 common from  35d-25

= 5(7d- 5)

7 0
3 years ago
Read 2 more answers
Piper has a balance of $1,500 on
saul85 [17]

Answer: $408.96

Step-by-step explanation:

4 0
2 years ago
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