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3 years ago

10

what is most likely true about the digital grandparents of students that attend fridgemont high? the results of the survey are s

how below:

1 answer:

Olenka [21]3 years ago

3 0

More grandparents prefer hard copy over digital copy

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the points (3, 9) and (-3, -9) ate plotted on the coordinate plane using the equation y=a . x ... - did

slava [35]

See the explanation

<h2>Explanation:</h2><h2></h2>

Here we have the following points:

$(3,9) \ and \ (-3,-9)$

The point-slope form of the equation of a line is:

$y=ax+b \\ \\ \\ a:Slope \\ \\ b:y-intercept$

So the slope can be found as:

$a=\frac{-9-9}{-3-3} \\ \\ a=\frac{-18}{-6} \\ \\ a=3$

So:

$y=3x+b \\ \\ \\ Finding \ b: \\ \\ For \ x=3, \ y=9: \\ \\ \\ So: \\ \\ 9=3(3)+b \\ \\ b=9-9 \\ \\ b=0$

So the equation is finally:

$y=3x$

This line passes through and is shown below.

<h2>Learn more:</h2>

About lines: brainly.com/question/14427236#

#LearnWithBrainly

8 0

4 years ago

A shape is made of 12 right triangles of equal size each right triangle has a base of 4 centimeters and a height a 5-cm what is

mart [117]

Answer:

$120\ cm^2$

Step-by-step explanation:

The area $(A_t)$ of a triangle is equal to half the product of its length (L) because of its height (h).

$A_t = 0.5h*L$

The base of the triangles is $L = 4\ cm$

The height of the triangles is $h = 5\ cm$

Then the area of one of the triangles is:

$A_t = 0.5(4)(5)\\A_t = 10\ cm^2$

The figure is formed by 12 equal triangles, then the area of the figure $(A_f)$ is:

$A_f = 12(A_t)\\A_f = 12(10)\\A_f = 120\ cm^2$

3 0

3 years ago

Read 2 more answers

\-x+sqrt1−x 2\-=sqrt2(2x 2−1).

lesya [120]

Answer:

b

Step-by-step explanation:

5 0

3 years ago

How to find which trinomials are perfect square trinomials

astraxan [27]

Answer:

<em>An expression obtained from the square of the binomial equation is a perfect square trinomial. If a trinomial is in the form </em>

<em> $ax 2 + bx + c$ </em>

<em> is said to be a perfect square, if and only if it satisfies the condition b 2 = 4ac.</em>

Step-by-step explanation:

<em>hope it will help you have a great day bye and Mark brainlist if the answer is correct </em>

<em> $kai6417$ </em>

6 0

3 years ago

Which equation represents a line which is parallel

erica [24]

Answer:

4x+5y=20

Step-by-step explanation:

bc if u subtract your 4x from both sides

then u should end up with 5y= -4x+20

then u divide the 5 from everything

then you end up with y= -4/5x+4

5 0

3 years ago