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DiKsa [7]
3 years ago
11

HELP me ITS TIMED 2/3+-1/3

Mathematics
2 answers:
Maslowich3 years ago
5 0

Answer:

0.333333333333 = 1

Step-by-step explanation:

Mariulka [41]3 years ago
5 0

⅔ + (-⅓) \\ ⅔ - ⅓ \\   \frac{2 - 1}{3}  \\  = ⅓

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Plz help ill mark u brainliest and 25 pts
Ahat [919]

Answer:

B

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
A projectile is fired with muzzle speed 250 m/s and an angle of elevation 45° from a position 30 m above ground level. Where doe
qaws [65]

The projectile's horizontal and vertical positions at time t are given by

x=\left(250\dfrac{\rm m}{\rm s}\right)\cos45^\circ\,t

y=30\,\mathrm m+\left(250\dfrac{\rm m}{\rm s}\right)\sin45^\circ\,t-\dfrac g2t^2

where g=9.8\dfrac{\rm m}{\mathrm s^2}. Solve y=0 for the time t it takes for the projectile to reach the ground:

30+\dfrac{250}{\sqrt2}t-4.9t^2=0\implies t\approx36.2458\,\mathrm s

In this time, the projectile will have traveled horizontally a distance of

x=\dfrac{250\frac{\rm m}{\rm s}}{\sqrt2}(36.2458\,\mathrm s)\approx6400\,\mathrm m

The projectile's horizontal and vertical velocities are given by

v_x=\left(250\dfrac{\rm m}{\rm s}\right)\cos45^\circ

v_y=\left(250\dfrac{\rm m}{\rm s}\right)\sin45^\circ-gt

At the time the projectile hits the ground, its velocity vector has horizontal component approx. 176.77 m/s and vertical component approx. -178.43 m/s, which corresponds to a speed of about \sqrt{176.77^2+(-178.43)^2}\dfrac{\rm m}{\rm s}\approx250\dfrac{\rm m}{\rm s}.

7 0
3 years ago
The price of a new car is $42,500. If the sales tax rate is 6%, what is the total cost for the car including tax?
ozzi

Answer: $45,050

Step-by-step explanation:

First we multipy 0.06 (6%) by 42,500

$42,500 * 0.06 = $2550

This is the tax that must be applied to $42,500

Now all we need to do is add $2,550to $42,500 and we get:

$42,500 + $2,550 = $45,050

7 0
3 years ago
If you can answer any of these please do and put the question number by the answer
Ronch [10]
19. 5x - 5 = 3x -9
2x = -4
x = -2

19. Answer is A
8 0
3 years ago
state if the triangles in each pair of similar. If so, State how you know that they are similar and complete the similarity stat
iragen [17]

Answer:

Similar, AA similarity, ΔAKL

Step-by-step explanation:

BC and KL are parallel.  Therefore, ∠B and ∠K are alternate interior angles, and ∠C and ∠L are also alternate interior angles.  Alternate interior angle are congruent, so by AA similarity, ΔABC ~ ΔAKL.

4 0
3 years ago
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