2 years ago

Find the missing angles

Mathematics

2 answers:

Reika [66]2 years ago

7 0

Answer:

b=109 degree

Step-by-step explanation:

26 + 45 + b=180 degree (being sum of interior angles of a triangle)

71 + b = 180

b=180-71

b=109 degree

VLD [36.1K]2 years ago

3 0

Step-by-step explanation:

109°

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What number must you add to complete the square <br> x^2-20x=17

crimeas [40]

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2 years ago

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olga nikolaevna [1]

1 : 1.71 : 2.43

Step-by-step explanation:

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7/7 = 1

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12/7 = 1.71

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Have the same ratio as

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A developer has 7 1/2 acres of land to build houses on. If each house is to be built on a 1/4 acre plot, how many can he build?

schepotkina [342]

The developer can build 30 houses.

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2 years ago

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?/? of 24 = 16 (answer in fraction)

Vlada [557]

Answer:

$\boxed{\sf \ \ \ \dfrac{2}{3} \ \ \ }$

Step-by-step explanation:

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16 = 8*2

$\dfrac{2}{3}*24=\dfrac{2*8*3}{3}=8*2=16$

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3 years ago

Solve for x.parallelogram <br> Plz show steps so I can learn

Sonja [21]

Answer:

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2 years ago