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dem82 [27]
3 years ago
9

Help please will mark braniest

Mathematics
2 answers:
STALIN [3.7K]3 years ago
7 0

Answer:3000


Step-by-step explanation: 250 x 12 = 3000


mrs_skeptik [129]3 years ago
3 0

Answer: 3000


Step-by-step explanation:

Since a foot is 12 inches, you would have to multiply 12 times 250,

250 x 12 = 3000

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Galina-37 [17]

Step-by-step explanation:

=  { ({16}^{ \frac{3}{2} } )}^{ \frac{1}{2} }

=  { ({( {2}^{4}) }^{ \frac{3}{2} } )}^{ \frac{1}{2} }

=  {2}^{4 \times  \frac{3}{2} \times  \frac{1}{2}  }

=  {2}^{ \frac{12}{4} }

=  {2}^{3}

= 2 \times 2 \times 2

= 8

The answer is B.

6 0
2 years ago
Find the equation of the line that passes through point A (1,7) and B (-3, -1)
amid [387]

Answer:

The equation of the line is 2 x - y + 5 = 0.

Step-by-step explanation:

Here the given points are A( 1, 7) & B( -3, - 1) -

Equation of a line whose points are given such that

( x_{1}, y_{1} ) & ( x_{2}, y_{2} )-

 y - y_{1}  = \frac{ y_{2} - y_{1} }{ x_{2} - x_{1} }   ( x - x_{1}  )

i.e. <em> y - 7= \frac{- 1 - 7}{ -3-1}  ( x- 1)</em>

<em>       y - 7 =  \frac{- 8}{- 4} ( x -1)</em>

<em>       y - 7 =  2 ( x - 1) </em>

<em>       y - 7  =   2  x - 2</em>

<em>       2 x - y + 5 = 0</em>

Hence the equation of the required line whose passes trough the points ( 1, 7) & ( -3, -1)  is 2 x - y  + 5 = 0.

6 0
3 years ago
A circle has circumference of 20.7cm. What is the area of the circle? Using 3.14
Alex787 [66]
Circumference=2pi*r
20.7=2pi*r
r=3.296 or 3.3
A=pir^2
a=34.1946 or about 34.19
4 0
3 years ago
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gayaneshka [121]
4000*.08=320

4000+320=4320
8 0
3 years ago
Grade 8 Math 8
puteri [66]
Yes they are all right
5 0
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