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aleksley [76]
3 years ago
14

Solve and how to solve

Mathematics
1 answer:
Gennadij [26K]3 years ago
5 0
You have to use cosine law...

You might be interested in
Please help!
blondinia [14]

The equation of a line that is parallel to 3x=4y and has the same y-intercept as 2x-3y=6 is:

y = (3/4)*x - 2

<h3></h3><h3>How to get the equation of the line?</h3>

A general linear equation is written as:

y = a*x + b

Where b is the y-intercept and a is the slope.

Such that two lines are parallel if the lines have the same slope but different y-intercepts.

So, if we want to have a line parallel to:

3x = 4y

y = (3/4)*x

Then the slope must be 3/4.

And the line must have the same y-intercept than:

2x - 3y = 6.

We can rewrite that to get:

-3y = 6 - 2x

y = (6/-3) + (2/3)*x

y = (2/3)*x - 2

So this linear equation has a y-intercept equal to -2, then our linear equation is:

y = (3/4)*x - 2

If you want to learn more about linear equations:

brainly.com/question/14323743

#SPJ1

3 0
2 years ago
Triangle A'B'C' is a dilation of AABC. What is AB?
Pavlova-9 [17]

Answer:

C. 9

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

8 0
3 years ago
malik collects rare stamps and has a total of 212 stamps. he has 34 more domestic stamps than foreign stamps. let x represent th
valina [46]
<span>x = number of domestic stamps

y = number of foreign stamps

Malik collects rare stamps and has a total of 212 stamps.
 
=> x + y = 212

he has 34 more domestic stamps than foreign stamps.

=> x = y + 34


which equation represents the total number of stamps malik collected?

x + y = 212

which equation represents the difference in the number of foreign and domestic stamps malik collected?

x - y = 34

which system of linear equations represents the situation?

x + y = 212
x - y = 34
</span>
8 0
3 years ago
Read 2 more answers
Which expressions are equivalent to 10a - 25 + 5b
Liono4ka [1.6K]

Answer:Move −25-25.

10a+5b−25

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
4. 8.G.3.9 <br> This cone and sphere have equal volumes. <br><br> What is the radius of the sphere?
lozanna [386]

Answer:

the radius of the sphere is 12 cm.

Step-by-step explanation:

IN A CONE

vertical height (h) = 27 cm

radius (r) = 32 / 2 = 16 cm

Now the volume of cone is

= 1/3 *h*π*r²

= 1/3 * 27 *π *16²

= 2304π cm³

Also by the question the cone and the sphere have equal volumes so

volume of sphere = volume of cone

                             = 2304 π cm³

OR, 4/3 πr³ = 2304 π

4/3 * r³ = 2304

r³ = 2304 * 3 / 4

r³ = 1728

r = ∛1728

r = 12 cm

hope it helps :)

8 0
3 years ago
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