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mart [117]
3 years ago
14

Help plz !!!!!!!!!!!!!!!!! These are so hard

Mathematics
1 answer:
OlgaM077 [116]3 years ago
6 0

Answer:

m=\frac{4}{9}

Step-by-step explanation:

Using the slope formula:

m=\frac{1+7}{10+8}=\frac{8}{18}=\frac{4}{9}

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What is the measure of AC?
Firlakuza [10]

Answer:

AC = 52.8

Step-by-step explanation:

33/20 = 1.65

12*1.65 = 19.8

BA = 19.8

CB + BA = AC

33 + 19.8 = 52.8

5 0
3 years ago
Read 2 more answers
Use elimination to determine which ordered pair is the solution to the system of equations below. Use the space below to show al
lidiya [134]

Answer:

in the ordered pair; ( x  = 27/4 , y = 1/4 )

Step-by-step explanation:

Given that:

The system of the equation shown below is:

-2x - 14y = 10

 2x + 2y = 14

We are to use the elimination method to determine the ordered pair.

From the above equation:

-2x - 14y = 10  --- (1)

 2x + 2y = 14   --- (2)

Add both equation 1 and 2 together in order to eliminate x, then we can solve for y first.

-2x - 14y = 10

<u>  2x + 2y = 14       </u>

<u>  0  - 16y = -4        </u>

<u />

- 16 y = - 4

divide both sides by - 16, Then:

-16y /-16 = -4/-16

y = 1/4

Since y = 1/4, Then from equation (2), x will be :

2x + 2y = 14

2x + 2(1/4) = 14

2x + 1/2 = 14

2x = 14 - 1/2

2x = 13.5

x = 13.5/2

x = 27/4

Thus, in the ordered pair; ( x  = 27/4 , y = 1/4 )

6 0
3 years ago
Estimate the perimeter and the area of the shaded figure to the nearest tenth.
Anna007 [38]

Answer:

Here is ur answer.

Step-by-step explanation:

8 0
3 years ago
I WOULD LIKE HELP WITH THIS PLEASE!!!
Ainat [17]

Answer:

the answer would be 80 :)

6 0
3 years ago
The formula for the circumference of a circle is C = 2 pi r. Determine the circumference when the radius r is 10 cm.
liq [111]

Answer:

D 100cm

Step-by-step explanation:

6 0
3 years ago
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