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3 years ago

PLEASE I WILL GIVE YOU BRAINLIEST JUST HELP ME I LOVE YOUUUUUUUU

Mathematics

1 answer:

Ivenika [448]3 years ago

5 0

Answer:

x=30

Step-by-step explanation:

90+130+x+10+x+x+x=360

230+3x=360

3x=90

x=30

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What is the length of BC¯¯¯¯¯ ?

svlad2 [7]

Hello!

The length of side BC can be found by using the Law of Sines. This law states,

a / sin A = b / sin B = c / sin C.

Given:

Angle A = 51.2 degrees

Angle B = 60.3 degrees

Side AC (or B) = 21 cm

Side BC (or A) = ? cm

Let's plug in these values into the formula to find the missing side length.

a / sin (51.2) = 21 / sin (60.3)

a / sin (51.2) = 24.1759... (multiply both sides by sin(51.2)

a = 24.1759 · sin (51.2)

a = 18.841...

18.841 can be rounded to 19.

Therefore, the length of side BC is equal to 19 centimeters.

5 0

3 years ago

Sam bought a jacket for $17, which is one-sixth of the original price. How much did the jacket cost originally?

kkurt [141]

Answer:

=102

Step-by-step explanation:

17=1/6 of the price

x=1/1 of the price

x=1*17*6=102

7 0

2 years ago

If you multiply two binomials together, and get a Trinomial, factoring the Trinomial would undo the multiplication, and you woul

melisa1 [442]

Answer: False
I hope this helps you !

4 0

3 years ago

The following graph represents the distance a commercial airplane travels over time, at cruising speed and an altitude of 35,000

ANEK [815]

Answer:

see the explanation

Step-by-step explanation:

The picture of the question in the attached figure

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

Let

x ----> the time in hours

y ----> the distance in miles

Find the value of k

For the point (4,2268)

$k=\frac{2,268}{4}=567\ mph$

The slope represent the speed of the airplane

The linear equation is

$y=567x$

Part 1 :

The point (0,0) represents the starting point of the aircraft, when the time and distance are equal to zero. The cruising starts when time t = 0.

Part 2 :

The point (4, 2268) represents the plane after 4 hours of cruise , and shows it has traveled a distance of 2268 miles after 4 hours

3 0

3 years ago

Estimate the solution to the system of equations.

klemol [59]

Answer:

x=1/2; y=-6

Step-by-step explanation:

2x-2=-2x-5

4x=2

x=1/2

y=-1-5

y=-6

8 0

3 years ago