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Veseljchak [2.6K]
3 years ago
13

Q=25πh how do I solve it​

Mathematics
1 answer:
kompoz [17]3 years ago
7 0

Answer: ok the answer is 42

Step-by-step explanation: so q = 17 right? and 25 = Y

so i think you add then you get 42...right? i might not get the right answer

but what letter is this i don't know this symbol or lettter: π

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Which of the following methods would provide a voluntary response sample?
a_sh-v [17]

Answer:

The Answer is D

Step-by-step explanation:

A survey of every 10th person leaving a large shopping mall. I hope im right this question was tricky though. Hope it helps :)

6 0
3 years ago
How do I solve this<br>heeeeeeeeeeeelllllllllllllllllllpppppppppppp
Artemon [7]

CD = √(10²+6.8²) = 10.33

AC = √(14.2²+10²) = 17.36

AD = 14.2+6.8=21

21 +10.33+6.8=38.13 cm (perimeter) rounded 38 cm

5 0
3 years ago
How many solutions does the system have? You can use the interactive graph below to find the answer. 4x-2y=8 2x+y=2 4x−2y=8 2x+y
Tju [1.3M]

Answer:

Step-by-step explanation:

We have the following system

\left[\begin{matrix} 4 & -2 \\ 2 & 1 \end{matrix}\right]x =\left[\begin{matrix} 8 \\ 2 \end{matrix}\right]

The number of solutions depend on the determinant of the matrix of the system. If the determinant is different from 0, then it has one unique solution, if it 0 then it has infinite solutions.

Note that the determinant of a matrix

\left[\begin{matrix} a & b \\ c & d \end{matrix}\right] is ad-bc. So in our case we have 4*1-(-2)*2 = 8  which is not 0. Then the system has an unique solution.

6 0
3 years ago
99+33=132 solve as a(b+c)
AURORKA [14]

Answer:

3267ab+13068ac

7 0
3 years ago
Please help me with these two questions, 10 points for each so in total 20!!
saul85 [17]

Answer:

\large\boxed{Q2.\qquad C.\ -2x+y=-2}\\\boxed{Q4.\qquad C.\ y=3x+12}

Step-by-step explanation:

Q2:

The point-slope form of an equation of a line:

y-y_1=m(x-x_1)

m - slope

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (4, 6) and (6, 10). Substitute:

m=\dfrac{10-6}{6-4}=\dfrac{4}{2}=2

y-6=2(x-4)           <em>use distributive property</em>

y-6=2x-8      <em>add 6 to both sides</em>

y=2x-2          <em>subteact 2 from both sides</em>

-2x+y=-2

Q4:

The slope-intercept form of an equation of a line:

y=mx+b

m - slope

b - y-intercept

Put the slope m = 3 and the coordinateso f the point (-2, 6) to the point-slope form of an equation of a line:

y-6=3(x-(-2))

y-6=3(x+2)         <em>use distributive property</em>

y-6=3x+6     <em>add 6 to both sides</em>

y=3x+12

4 0
3 years ago
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