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abruzzese [7]
3 years ago
7

10/n = 18/27 what is n?

Mathematics
2 answers:
blsea [12.9K]3 years ago
7 0
Well, to understand what "n" is, we have to understand the relation between 18 and 27.
If we divide by 9, we'll notice that 18/27 simplifies to 2/3.
So, let's apply this to 10/n
10 over n must be the same ratio of 2/3.
10/2 is 5.
5*3 = 15.
n = 15.
Alternatively, cross multiply and solve.
10/n = 18/27
n will multiply with 18, 10 with 27.
18n = 270
/18     /18
n = 15
sergiy2304 [10]3 years ago
3 0
N = 10*27 / 87 =  270/18 = 15

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Slope-intercept form of the equation for the line?
vaieri [72.5K]

Answer:

\large\boxed{y=-\dfrac{3}{10}x+\dfrac{1}{2}}

Step-by-step explanation:

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

y=mx+b

m - slope

b - y-intercept

The formula of a slope:

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

We have the points from the graph (-5, 2) and (5, -1).

Substitute:

m=\dfrac{-1-2}{5-(-5)}=\dfrac{-3}{10}=-\dfrac{3}{10}

We have the equation in form:

y=-\dfrac{3}{10}x+b

Put the coordinates of the point (5, -1) to the equation:

-1=-\dfrac{3}{10}(5)+b

-1=-\dfrac{3}{2}+b

-\dfrac{2}{2}=-\dfrac{3}{2}+b            <em>add 3/2 to both sides</em>

\dfrac{1}{2}=b\to b=\dfrac{1}{2}

4 0
3 years ago
(PLEASE HELP 15 POINTS I HAVE 7 MINS) explain your awnser what are the x- and the y-interceptions of 3x - 2y = 18
S_A_V [24]

The given equation is

3x-2y=18

x intercept

To find the x intercept, we have to plug 0 for y and solve for x.That is

3x-2(0)=18&#10;\\&#10;3x=18&#10;\\&#10;x=6

So x intercept is (6,0) .

y intercept

To find the y intercept , we have to plug 0 for x and solve for y. That is

3(0)-2y=18&#10;\\&#10;-2y=18&#10;\\&#10;y=-9

So the y intercept is (0,-9) .

4 0
3 years ago
Fill in the missing statement and reason in the proof of the Alternate Exterior Angles Theorem.
ludmilkaskok [199]

Answer:

∠EGB and ∠AGF are congruent;

Transitive Property of Equality

Step-by-step explanation:

The vertical angles theorem is about the angles that are opposite to each other. These angles are formed when two lines cross each other

Vertical angles are congruent i.e their measures are equal

Look at the attached graph

Given:

AB // CD

E , G , H , F are col-linear

The line which contains points E , G , H , F is a transversal for the parallel lines AB and CD

∵ AB and EF intersected at point G

∴ m∠EGB = m∠AGF ⇒ by the vertical angles theorem

When lines AB and EF intersected at G they formed opposite angles like angles EGB and AGF, then angles EGB and AGF are congruent (  vertical angle theorem)

∵ AB // CD and EF is a transversal

∴ m∠AGF = m∠CHF (corresponding angles theorem)

Transitive Property of Equality:  if one angle is equal to two other angles, then the two other angles are equal

 Therefore, If a = b and b = c, then a = c

∵ m∠EGB = m∠AGF

∵ m∠AGF = m∠CHF

∴ m∠EGB = m∠CHF (transitive property theorem)

 ∠EGB and ∠AGF are congruent; Transitive Property of Equality

4 0
3 years ago
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ludmilkaskok [199]

Answer:

c

Step-by-step explanation:

mass will never change only weight will as weight is dependent on gravitational field strength

8 0
2 years ago
Who ever awnsers first get brainleist
Sveta_85 [38]

Answer: 4 servings

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8 0
3 years ago
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