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solmaris [256]
3 years ago
8

Please help, I will mark Brainliest.

Mathematics
1 answer:
Goshia [24]3 years ago
3 0
It’s rational because the square root of 0.49 is 0.7
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R varies directly as s. Find r when s=4 and k=2
lesya692 [45]
\bf \begin{array}{cccccclllll}
\textit{something}&&\textit{varies directly to}&&\textit{something else}\\ \quad \\
\textit{something}&=&{{ \textit{some value}}}&\cdot &\textit{something else}\\ \quad \\
y&=&{{ k}}&\cdot&x
\\
&&  y={{ k }}x
\end{array}\\\\
-------------------------------\\\\
thus\implies r=ks\qquad 
\begin{cases}
k=2\\
\uparrow \\
constant\ of\\
variation\\
s=4
\end{cases}\implies r=2\cdot 4
5 0
3 years ago
What is the solution of the equation −7=21
liraira [26]

Answer:

No solution

Step-by-step explanation:

When there is no variable it's either infinite solutions or no solutions

-7 ≠ 21

The statement is not correct so no real solutions

8 0
3 years ago
How do I find the variable for 3y+4-y=3
miskamm [114]
<span>3y+4-y=3
combine like terms
2y +4 = 3
subtract 4 on both sides
2y = -1
divide both sides by 2
  y = -1/2</span>
5 0
3 years ago
i need help with this figure problem i'm begging anyone i need to do this before i go to bed please please please!!!
alekssr [168]

Answer:

610cm square

Step-by-step explanation:

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3 0
3 years ago
Which of the following choices is the variance of the sample shown here? 35, 36, 41, 56, 60, 71 A. 188.2 B. 215.8 C. 14.7 D. 13.
Travka [436]

i think it is B lol lol but tell me


3 0
3 years ago
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