3 years ago

I need help now I’m stuck!

Mathematics

2 answers:

trapecia [35]3 years ago

6 0

Whats the question?

11Alexandr11 [23.1K]3 years ago

4 0

Answer:

Area= 385yd

Step-by-step explanation:

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A = v2 \r. Solve formula for r

Nataliya [291]

Answer:

v2 \ a

Step-by-step explanation:

a = v2 \ r

r= v2 \ a

8 0

4 years ago

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Solve the system of equations. y = -6x + 9 y = -3x + 3 a. ( 3, -2) c. ( 2, -3) b. ( -2, -3) d. No solution

pashok25 [27]

For this case we have the following system of equations:

$y = -6x + 9\\y = -3x + 3$

Equating the equations we have:

$-6x + 9 = -3x + 3$

Adding 3x to both sides of the equation:

$-6x + 3x + 9 = 3\\-3x + 9 = 3$

Subtracting 9 from both sides of the equation:

$-3x = 3-9\\-3x = -6$

Dividing between -3 on both sides of the equation:

$x = \frac {-6} {- 3}\\x = 2$

We look for the value of "and":

$y = -3 (2) +3\\y = -6 + 3\\y = -3$

Thus, the solution of the system is (2, -3)

Answer:

(2, -3)

7 0

3 years ago

How do i solve that (2x+1)(x+4)

Slav-nsk [51]

There are 2 x’s so it’s 2x^2 + 9x because 2x4 is 8 + 1 x and then + 4 because you connect like terms so it would be 2x^2+9x+4

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4 years ago

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Samira ran around a park loop that was one-third mile long. she ran around the loop nine times. samira says she ran 9/3 miles. h

Alexeev081 [22]

1/3 mile x 9 times = 3

They both are 9/3 simplifies to 3

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3 years ago

The three angles in a triangle are in the ratio 3:4:5. Find the angles

insens350 [35]

The angles are 45° 60° and 75°

Elaboration：
Let the three angles be 3x 4x and 5x
( since the sum of interior angles of triangle=180° )
3x+4x+5x= 180
12x = 180
x = 15
3x= 45
4x= 60
5x= 75

3 0

2 years ago