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ahrayia [7]
3 years ago
15

The following figures are not drawn to scale but AB and CD are straight lines. Find x

Mathematics
1 answer:
astraxan [27]3 years ago
5 0

Answer:

x=45

Step-by-step explanation:

Since AB is a straight line, it is 180 degrees

AOE + EOF + FOD + DOB = 180

15+x+2x+120-2x = 180

Combine like terms

135 +x = 180

Subtract 135 from each side

135-135 +x = 180 -135

x = 45

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Solve the following system of equations. Enter the x-coordinate of the solution. Round your answer to the nearest tenth.
Bezzdna [24]

Answer:

x = 5.7 and y = 3.8

Step-by-step explanation:

We have given a system of equation.

5x+2y = 21                                    eq(1)

-2x+6y = -34                                 eq(2)

We have to find the solution of the given system.

Multiplying eq(1) by 3 , we have

15x+6y = 63

Subtracting above equation from eq(2), we have

15x+6y - (-2x+6y) = 63-(-34)

15x+6y+2x-6y = 63+34

17x+0 = 97

17x = 97

x = 97/17

x = 5.706≅5.7

Putting the value of x in eq(1) , we have

5(5.706)+2y = 21

2y = 21-28.53

2y = 7.53

y = 7.53/2

y = 3.765

We have to round it to the nearest tenth

y = 3.8

Hence, the solution of given system is x = 5.7 and y = 3.8

6 0
3 years ago
How do you find the midpoint on a graph
xenn [34]
The middle.

Which is the Origin
7 0
4 years ago
A trail mix recipe calls for 1 1/2 cups granola, 3/4 cups raisins, and 2/3 cup of peanuts. How many cups of trail mix does the r
viva [34]

Answer:1 11/12 CUPS OF TRAIL MIX

Step-by-step explanation:

1 1/2= 1 6/12

3/4=9/12

2/3=8/12

9/12+8/12=17/12=1 5/12

1 5/12+ 1 6/12= 1 11/12

5 0
3 years ago
Please help me with dis ion understand pwese help me :(
Morgarella [4.7K]

Answer:

The formula for calculating the circumference of a circle is 2*pi*r. Because pi does not have an end, we'll use 3.14, since that is the approximate value of pi.

2*6*3.14 = 37.68

The outer rim of the pool is about 37.68 meters long

Step-by-step explanation:

It’s probably 40 because it says about how long not exactly.

I hope this helped

6 0
2 years ago
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Hatshy [7]

Answer:

hello im good

Step-by-step explanation:

5 0
3 years ago
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