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Citrus2011 [14]
3 years ago
11

Solve equation by completing the square 5n^2-3n-10=15

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
5 0
These are the two answers you could get

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Given that y varies directly with x in the table find the value of y if the value of x is 5
Sophie [7]

Answer:15

Step-by-step explanation:

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8 0
3 years ago
I have a few questions! what is the gcf for
Harrizon [31]

Answer:

(21 and 54): 3

(55 and 90): 5

(16 and 30): 2

(42 and 91): 7

(66 and 121): 11

Step-by-step explanation:

5 0
3 years ago
Find the volume of a sphere made by rotating a circle with a radius of 12 inches. Use 3.14 for π and round to nearest whole numb
stiv31 [10]
We know that

[volume of a sphere]=(4/3)*pi*r³
r=12 in
[volume of a sphere]=(4/3)*3.14*12³-----> 7234.56 in³------> 7235 in³

the answer is the option
<span>D) 7,235 in</span>³
3 0
3 years ago
This question please
AlexFokin [52]

19^2 + x^2 = 21^2

19^2 = 361

21^2= 441

361 + x^2 = 441

x^2 = 441-361 = 80

x = sqrt(80) = 8.944 round to nearest tenth = 8.9

3 0
3 years ago
A line passes through the point (0,−4) and has a slope of −3/7.
Sidana [21]
Well, point slope is y - y1 = m(x-x1) So A and D are out. And the negative would cancel each other out for a positive, answer being, B.
7 0
3 years ago
Read 2 more answers
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