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3 years ago

What is half of 750

Mathematics

2 answers:

jonny [76]3 years ago

7 0

Half of 750 would be 375 to check just add 375 and 375

Alecsey [184]3 years ago

4 0

To find half of 750, divide it by 1/2.
So,

750 ÷ 1/2

750/1 ÷ 1/2

750/2

= 375.

CROSS CHECK!

375 × 2 = 750.

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Please help me,I give up on this.i just don’t get it.

Stolb23 [73]

Answer:

$y = -\frac{4}{5} x - \frac{14}{5}$
$y = \frac{5}{4} x -11$

Step-by-step explanation:

Given line ;

$y = \frac{5}{4} x -3\\\\m = slope\\m = \frac{5}{4}$

1. Perpendicular and passes through (4,-6)

$m_1 = \frac{5}{4} \\\\m_2 = \frac{-1}{m_1} \\\\m_2 = \frac{-1}{\frac{5}{4} } \\\\m_2 = -\frac{4}{5} \\\\(4,-6)=(x ,y)\\$

Substitute the values above into slope intercept form ; y=mx+b and solve for b.

$y =mx+b\\\\-6 = -\frac{4}{5} (4) + b\\\\-6 = -\frac{16}{5} + b\\\\-6 + \frac{16}{5} = b\\\\-\frac{14}{5} = b\\\\b = -\frac{14}{5}\\\\m = - \frac{4}{5}$

Substitute new values into ; y =mx+b.

$y = -\frac{4}{5} (x)- (\frac{14}{5} )\\\\y = -\frac{4}{5} x - \frac{14}{5}$

2.Parallel and passes through (4,-6)

$m = \frac{5}{4} \\\\(4,-6)=(x_1,y_1)$

Substitute values into point slope form and simplify

$y-y_1=m(x-x_1)\\\\y - (-6) = \frac{5}{4} (x -4)\\\\y+6 = \frac{5}{4} x -5\\\\y = \frac{5}{4} x -5-6\\\\y = \frac{5}{4} x -11$

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xxTIMURxx [149]

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Jonathan's solution $(0.4,2.12)$ is correct.

Step-by-step explanation:

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$y = -2.7x+3.2\ \ \ \ \ \ \ y=1.3x +1.6$

Now

The graph of the linear equation $y= -2.7x+3.2$ cuts the y-axis at the point $(0,3.2)$ and x-axis at $(1.185,0)$

And the graph of the linear equation $y= 1.3x+1.6$ cuts the y-axis at the point $(0,1.6)$ and x-axis at $(-1.231,0)$

And their point of intersection is $(0.4,2.12)$

And this is Jonathan's solution.

We can see from graph that point of intersection is $(0.4,2.12)$

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