What is the answer i need help 22+7+108-3=?

Mathematics

2 answers:

Brums [2.3K]2 years ago

6 0

Answer:

Step-by-step explanation:

just use a calculator. Don't need to waste points

Ray Of Light [21]2 years ago

3 0

Answer:

Step-by-step explanation:

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The equation y 4.9t 2 3.5t 2.4 relates the height y in meters to the elapsed time t in seconds for a ball thrown downward at 3.5

tamaranim1 [39]

Answer:

$t \approx 0.43\,s$

Step-by-step explanation:

The vertical displacement function is $y(t) = -4.9\cdot t^{2}-3.5\cdot t + 2.4$ , where $y(t)$ is measured in meters and $t$ in seconds. Ball hits the ground when $y(t) = 0$ . That is:

$-4.9\cdot t^{2}-3.5\cdot t + 2.4 = 0$

Whose roots can be found by using the General Formula for Second-Order Polynomials:

$t_{1,2} = \frac{3.5\pm \sqrt{(-3.5)^{2}-4\cdot (-4.9)\cdot (2.4)} }{2\cdot (-4.9)}$

Solutions of this polynomial are:

$t_{1} \approx 0.43\,s,t_{2} \approx -1.14\,s$

Only the first root is physically consistent.

3 0

3 years ago

What is the length of AB?

Dovator [93]

Answer:

AB = 5

Step-by-step explanation:

The side opposite the 30 degree angle will have the shortest length. The side opposite the 60 degree angle will be √3 times as long, and the side opposite the 90 degree angle will be twice as long.

In this case we just divide 10 by 2

4 0

2 years ago

Read 2 more answers

Perform the following calculations: (-16) - (-42)

leva [86]

Answer:

Step-by-step explanation:

When we subtract a negative it is like adding

(-16) - (-42)

(-16) + (42)

Re arranging the order