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vovikov84 [41]
3 years ago
11

What is the answer to 2+1

Mathematics
2 answers:
Nookie1986 [14]3 years ago
6 0

The answer is 3

Hoped this helped you


sergiy2304 [10]3 years ago
4 0
3 boom gotttttttttttttttttttttttttttttteeeeeeeeeeeeeeeeeem
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Consider the figure. Determine the value of y.​
slava [35]

Answer:

47+ y = 180          (linear pair)

y = 133

6 0
3 years ago
Solve x+5&lt;-5 for x<br> please help
yawa3891 [41]

Answer:

x<-25

Step-by-step explanation:

5 0
3 years ago
Plz Help! ASAP!!!!
vekshin1

Answer:

Do you still need help?

Step-by-step explanation:

7 0
3 years ago
How do you factor this equation?<br> 7x²+5x-3
svetoff [14.1K]

Answer:

Step-by-step explanation:

This is a quadratic expression.  Use the quadratic formula to find the roots, and then once you have the roots, write the corresponding factors.

The coefficients of this quadratic expression are a = 7, b = 5 and c = -3

The discriminant is b^2 - 4ac, or 5^ - 4(7)(-3), or 25 + 84 = 109.  Because this is positive, we know that the expression has two unequal, real roots.

Using the quadratic formula, we now find these roots:

      -b ± √(discriminant)

x = --------------------------------   which here is:

                   2a

      -5 ± √109

x = -----------------

             14

The factors can be found from these two roots.  The first one is

      -5 - √109                  5 + √109

(x - ---------------- )  =  (x + ---------------- )

             14                              14

and the second is

        5 - √109              

(x + ---------------- )  

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8 0
3 years ago
If a bowling ball is dropped out of an airplane,
Rom4ik [11]

Answer: The velocity of the ball is 108.8 ft/s downwards.

Step-by-step explanation:

When the ball is dropped, the only force acting on the ball will be the gravitational force. Then the acceleration of the ball will be the gravitational acceleration, that is something like:

g = 32 ft/s^2

To get the velocity equation we need to integrate over time, to get:

v(t) = (32ft/s^2)*t + v0

where v0 is the initial velocity of the ball. (t = 0s is when the ball is dropped)

Because it is dropped, the initial velocity is equal to zero, then we get:

v(t) = (32ft/s^2)*t

Which is the same equation that we can see in the hint.

Now we want to find the velocity 3.4 seconds after the ball is dropped, then we just replace t by 3.4s, then we get:

v(3.4s) = (32ft/s^2)*3.4s = 108.8 ft/s

The velocity of the ball is 108.8 ft/s downwards.

6 0
3 years ago
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