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Georgia [21]
3 years ago
11

Solve Number 14 Find the value of x

Mathematics
1 answer:
enot [183]3 years ago
8 0

Answer:

x = 15

Step-by-step explanation:

since two lines are parallel,

3x + 45 = 2x + 60 (Being alternate angle)

or, 3x - 2x = 60 -45

x = 15

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A shelf will covered with veneer on all 6 sides. The shelf is 48 inches long, 12 inches wide and 1 inch thick. What is the surfa
Liono4ka [1.6K]
So. hmmmm notice the first picture, that's a rectangular prism

is really just 6 rectangles stacked up to each other at the edges

now, notice the second picture, is a prism/shelf with a length of 48, width of 12 and height of 1

so, your shelf is really just 6 rectangles stacked up to each other at the edges

you have 2 rectangles of 48x1 on the sides
2 rectangles of 12x1 for the front and back
and 2 rectangles of 12x48, for the top and bottom

get the area of each of those rectangles, add them up, and that's the surface area of the shelf

6 0
3 years ago
Is this triangle a SSS, ASA, SAS, AAS, or HL
____ [38]

Answer:

I think it's a SAS

Step-by-step explanation:

4 0
3 years ago
Drag equations to each row to show why the equation of a straight line is y = mx + b, where m is the slope and b is the y-interc
Alborosie

Answer:

m is the slope because it is affected by the value of x. They are multiplied together and therefore are affected by one another.

The b is the intercept because even when the x value is 0, the value of the y-intercept exists.


6 0
4 years ago
Read 2 more answers
T(x)=2x-9/x-a t(1)=1 Value of a?
Misha Larkins [42]

t(1) = 1 = 2(1)-9 / 1 - a

1 - a = 2 - 9 = -7

a = 1 + 7

a = 8 answer


4 0
3 years ago
The average speed of one airplane is 200 mph faster than that of an automobile. If the automobile starts at 3 a.m. and the airpl
Svetlanka [38]

Answer:

Distance = 500 miles

Step-by-step explanation:

<u>Step 1: Write the data of speed, distance and time for aeroplane and automobile.</u>

<em>Automobile:</em>

Speed = r

Time = 10 hours (3 am till 1 pm)

Distance = SxT

Distance = r x 10 = 10r

<em>Aeroplane:</em>

Speed = 200 + r (200 mph more than automobile)

Time = 2 hours ( 11 am till 1 pm)

Distance = SxT

Distance = 2x(200+r) = 400+2r

<u>Step 2: Equate both distances to find the value of r</u>

Distance of automobile = Distance of aeroplane

10r = 400 + 2r

8r = 400

r = 50

<u>Step 3: Find the distance using any one equation</u>

Distance of automobile = 10r

r = 50

Distance = 10 x 50 = 500 miles

Therefore, the plane travels 500 miles.

!!

3 0
3 years ago
Read 2 more answers
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