3 years ago

What number would you add to both sides of 2 + 7x = 4 to complete the square?

1 answer:

6 0

Answer:

{7/2)2

Step-by-step explanation:

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GrogVix [38]

Answer:

a equals 105°

Step-by-step explanation:

angles in a straight line add up to 180°

a+75=180

a=180-75

a=105°

4 0

3 years ago

irina [24]

Answer:

the answer is -5. you could really just use a calculator this is pretty basic math.

Step-by-step explanation:

6 0

3 years ago

saveliy_v [14]

H = 70ft.
P = 35ft.
B = ?

H^2 = P^2 + B^2
70×70 = (35×35) + B^2
B^2 = 4900-1225
B = √3675
B = 35√3 ft.

3 0

4 years ago

Lina20 [59]

2x + 21 = 35
hope this helps

3 0

3 years ago

Irina18 [472]

Answer:

The choice third ; a=9 , c= 18

Step-by-step explanation:

$\sin(60) = \frac{9 \sqrt{3} }{c} \\ \\ c = 18$

$\tan(30) = \frac{a}{9 \sqrt{3} } \\ \\ a = 9$

3 0

3 years ago