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Diano4ka-milaya [45]
3 years ago
5

To solve the system of equations below

Mathematics
1 answer:
saw5 [17]3 years ago
8 0

plz plz mark brainliest

if it is right

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2 divided by one over 3 the awnser is a fraction
slamgirl [31]

Answer:

That would equal \frac{2}{3} or approximately 0.67. If this helps, please rank Brainliest. Thanks!

4 0
3 years ago
Read 2 more answers
Using the Triangle Sum Theorem, find x and the missing angles (2x +1) (5x +5) x= Angle (2x+1) = Angle (5x+5) =​
Arte-miy333 [17]

Answer:

x = 12

(2x + 1)° = 25°

(5x + 5)° = 65°

Step-by-step explanation:

By the property of a triangle,

Sum of all angles of a triangle is 180°

In the given right triangle,

(2x + 1)° + 90° + (5x + 5)°= 180°

7x + 96 = 180

7x = 180 - 96

x = \frac{84}{7}

x = 12

Angle (2x + 1)° = 2(12) + 1 = 25°

Angle (5x + 5)° = 5(12) + 5 = 65°

Therefore, all three angles of the right triangle are 25°, 90° and 65°.

4 0
3 years ago
Two tapes, red and green, with lengths of 415 feet and 780 feet respectively are to be cut into pieces of equal length without r
ICE Princess25 [194]

Answer:

The greatest possible length of the pieces is 5 feet

Step-by-step explanation:

Red = 415 feet

Green = 780 feet

Find the greatest possible length of the pieces.

Find the Highest common factor

415 = 1, 5, 83, 415

780 = 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390 and 780

The Highest common factor of 415 and 780 is 5

The greatest possible length of the pieces is 5 feet

Red = 415/5

= 83 pieces

Green = 780/5

= 156 pieces

3 0
3 years ago
PLEASE HELP AS SOON AS POSSIBLE! Please look at the attached image, I greatly appreciate it!
lukranit [14]

Answer:

x^2 = 10^2 - 9^2

x^2 = 100 -81 = 19

x = 4.3588989435

The triangle sides are 10, 9 and 4.3588989435

Step-by-step explanation:

6 0
2 years ago
How many combinations of three books can be selected from 40 books?
earnstyle [38]

Answer:

13

Step-by-step explanation:

You just count by adding 3 every time

8 0
3 years ago
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