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trapecia [35]
2 years ago
14

Pls help fast i will mark brainlyest

Mathematics
1 answer:
salantis [7]2 years ago
6 0
  • m || n
  • Therefore, the alternate angles are equal.
  • Therefore, (7x - 3)° = (6x + 17)°
  • or, 7x° - 6x° = 17° + 3°
  • or, x° = 20°
  • or, x = 20

<u>Answer</u><u>:</u>

<u>x </u><u>=</u><u> </u><u>2</u><u>0</u>

Hope you could get an idea from here.

Doubt clarification - use comment section

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Carlos has 47 boxes that each have 10 markers. He gives 36 markers away.
r-ruslan [8.4K]
The answer is C. 434
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3 years ago
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If two trucks leave a given city on highways making an angle of 132 degrees with one another, traveling at 45 and 55 miles per h
Law Incorporation [45]

Answer:

183 miles to the nearest mile.

Step-by-step explanation:

Distance =Speed X Time

Distance of Truck B from point A=45 X2 =90 miles

Distance of Truck C from point A=55 X2 =110 miles

Angles between them, BAC=132°

We want to find the Distance BC denoted by a between the trucks.

Using Cosine Rule,

a²=b²+c²-2bcCos A

=90²+110²-(2X90X110XCos132°)

=33448.79

a=√33448.79

BC=182.89 miles

The distance between the trucks is 183 miles to the nearest mile.

3 0
3 years ago
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You are buying a new television and see it at the same price in several shops with various discounts.
Mariulka [41]
This is because of there different marketing statargies plus the reason behind this can be because they have high stock left and they want to clear that
8 0
3 years ago
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Given a rectangle with a perimeter of 24 inches, why dimensions maximize the area?
Pepsi [2]

Answer:

The dimensions are 6 by 6

Step-by-step explanation:

Calculus answer:

2x +2y= 24

xy= A

2x=24-2y

x=12-y

(12-y)(y)= 12y- y^2

the Derivative is = 12-2y

Then set that equal to zero 0=12-2y

-12=-2y

y=6

Confirm that 6 is a maximum by using a wiggle graph

wiggle graph -∞<---inc--6---dec-->∞

6 is a maximum

plug into original equation

2x + 2(6)=24

2x+12=24

2x=12

x=6

----------------------------------------------------------------------------------------------------

y=6

x=6


     



5 0
3 years ago
What is the equation of a parabola with (-1,-3) as its focus and y=1 as its directrix?
Olegator [25]
Hmm, y=1 is directix
means it opens up or down
we will be using
(x-h)²=4p(y-k) where (h,k) is vertex and p is the distnace from focus to vertex and from vertex to direcitx
focus is (-1,-3)
find distance between y values because directix is a y value
midpoint is the vertex
from -3 to 1 is 2 units
since focus is below directix, it opens down, and p is negative
it is 2 units above focus
so at (-1,-1)
and p=-2

(x-(-1))²=4(-2)(y-(-1))
(x+1)²=-8(y+1) is da equation
3 0
3 years ago
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