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REY [17]
3 years ago
9

URGENT PLEASE HELP WILL MARK U AS BRAINLIEST!!!!!

Mathematics
1 answer:
Mariulka [41]3 years ago
5 0

Answer:

12

Step-by-step explanation:

I just know please mark brainliest!!!

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a class voted for either rollerblading, swimming, or biking as their favorite summer activity. if rollerblading got 19% percent
Leto [7]

Answer:

50

Step-by-step explanation: I think this is the answer because you need to add 19 and 31 and every percent goes to 100% 19 + 31 = 50 and 19 + 31 + 50 = 100 so 50% voted for biking. Hope this helps.

8 0
4 years ago
What is the Equation of the Line Passes through the points (-4,8) and (1,3)
Whitepunk [10]
Answer: y = –x + 4

Explanation:

8 0
3 years ago
Given 5n² + 6n + 7 = n² - 4n : a. Find the value of the discriminant. b. State the number and type of roots/solutions/zeros.[2 r
Vika [28.1K]
\bf 5n^2+6n+7=n^2-4n\implies 5n^2+6n+7-n^2+4n=0
\\\\\\
4n^2+10n+7=0\\\\
-------------------------------\\\\
\begin{array}{llccll}
&{{ 4}}x^2&{{ +10}}x&{{ +7}}\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}
\\\\\\
discriminant\implies b^2-4ac=
\begin{cases}
0&\textit{one solution}\\
positive&\textit{two solutions}\\
negative&\textit{no solution}
\end{cases}

if you get a positive value, that means 2 real solutions
if you get 0, means 1 real solution only
if you get a negative value, is an imaginary root solution, same as saying no solution.
4 0
3 years ago
What is the lateral area of a cone with radius 19 cm and slant height 11 cm?
konstantin123 [22]
<span>I did the 38 times pi and got 119.3805 then multiplied it by 11 To get 1313.1855 Then divided by 2= 656.59275 And divided by pi 208.9999 Then round up.</span>
3 0
4 years ago
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I need help answering this question what does e equal to
sweet-ann [11.9K]

Answer:

9

Step-by-step explanation:

4 0
3 years ago
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