All categories

3 years ago

Beatrice pushes with a force of 40N . how can you you determine if Beatrice is doing work on the box ?

1 answer:

5 0

The results of her effort can be grouped
into two general categories:

Category #1:
The box does not move.
No work is done.

Category #2:
The box does move.
Work is done.

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Need some help with this question please

Serggg [28]

Answer:

$\frac{15}{17}$

Step-by-step explanation:

$\cos( \alpha ) = \frac{ad}{hip} \\ \\ \sin( \alpha ) = \frac{op}{hip}$

Pythagorean theorem

hip² = op² + ad²

17² = x² + 8²

x² = 17² - 8²

$x \: = \sqrt{{17}^{2} - {8}^{2} } \\ x = \sqrt{289 - 64} \\ x = \sqrt{225} \\ x = 15$

$\sin( \alpha ) = - \frac{15}{17}$

$\sin( - \alpha ) = \frac{15}{17}$

4 0

3 years ago

If you died with braces on would they take them off?

Lady bird [3.3K]

Answer:

Uhm, I don't think so could you payed for braces or your insurance paid for them.

6 0

3 years ago

It’s geometry I have a triangle left side is just a c right side is 80cm and the bottom is 18cm but there’s a right angle in the

Monica [59]

Answer:

i think its 10cm

Step-by-step explanation: brainlyest plz :)

90+80=170

180-170=10

7 0

3 years ago

Will give brainliest for answer

sleet_krkn [62]

Answer:

y > -x -3

Step-by-step explanation:

The graph is shaded above the dashed line, indicating y-values in the solution are greater than those on the line, so your inequality will start with ...

y >

The y-intercept of the line is (0, -3), so the "b" value in ...

y > mx +b

will be -3.

The line has a rise of -3 for a run of 3 (between the marked points), so the slope is ...

m = rise/run = -3/3 = -1

Then the inequality you want is ...

y > -x -3

7 0

3 years ago

The difference of two number is 3. Their sum is 13. Find the numbers.

Sloan [31]

Answer:

8 and 5

Step-by-step explanation:

8 0

3 years ago

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