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2 years ago

For each value of w, determine whether it is a solution to -6w+3>57.

Mathematics

1 answer:

dlinn [17]2 years ago

6 0

Answer:

None really look like a solution. I mean, that's what I think, honestly.

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The curved part of this figure is a semicircle. What is the best approximation for the area of this figure? 18+12.125π units² 36

andreyandreev [35.5K]

Answer:

18+12.125π units²

Step-by-step explanation:

The diameter of the semicircle can be found by the use Pythagoras theorem.

Δx²+Δy²=d²

Δx=3--1=4

Δy=3--6=9

d²=4²+9²

d=√(16+81)

Area=πr²/2

=π×(√(16+81)/2)²÷2

=[π×(97)/4]/2

=97π/8

=18+12.125π units²

97π/8 is equivalent to 18+12.125π units²

3 0

3 years ago

Using calculus, it can be shown that if a ball is thrown upward with an initial velocity of 16 ft/s from the top of a building 7

Karolina [17]

Answer:

[0, 7]

Step-by-step explanation:

We want the height to be greater than or equal to 32 ft, so ...

704 +16t -16t^2 ≥ 32

t^2 -t -42 ≤ 0 . . . . . . . . . . . subtract 32, divide by -16

(t -7)(t +6) ≤ 0

This inequality will be true for values of t between -6 and +7. Since we're only concerned with times t ≥ 0, the appropriate solution interval is ...

0 ≤ t ≤ 7 . . . . [0, 7] in interval notation

6 0

3 years ago

Hi! Please help me and explain!

Orlov [11]

Distance formula sqrt((x2-x1)^2 + (y2-y1)^2))

Sqrt((4-2)^2+(-7+3)^2)

Sqrt(2^2+4^2)

Sqrt(4+16)

Sqrt(20)

2sqrt5.

The second choice is the correct answer.

3 0

3 years ago

How much will you get paid if you work 28.5 hours for $7.75 per hour?

Wewaii [24]

Step-by-step explanation:

<h3>Answer:-</h3>

Here, Unitary Method is used. It tells:-

$\bf{1 \ hour =}$ $ $\bf{7.75}$

$\bf{28.5 \ hours =}$ $ $\bf{(7.75 \times 28.5)}$

$ $\bf{220.875}$ is the answer.

Hope it helps :D

3 0

3 years ago

The crowd at a sporting event is estimated to be 3,000 people. The exact attendance is 2,486 people. What is the percent error?

Nataly [62]

Answer:

17.113% error

Step-by-step explanation:

2486/3000=0.8286667

1.00-0.82867= 0.17113*100

7 0

2 years ago