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evablogger [386]
3 years ago
13

Plz help me I need help

Mathematics
1 answer:
artcher [175]3 years ago
7 0

Answer:

Step-by-step explanation:

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1. A shipping box has the
inysia [295]

Answer:

220.5 in³

Step-by-step explanation:

<u>Volume = L×W×H</u>

Volume = 10.5 in × 7 in × 3 in

Volume = 220.5 in³

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3 years ago
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A miners' cage of mass 420 kg contains 3 miners of total mass 280 kg. The cage
svp [43]

Answer:

5817 Newtons.

Step-by-step explanation:

Total mass of the cage + the miners = 700 Kg which is a downward force of  700g N.

The net downward force = 700g - T where T is the tension (force) in the cable. The g = acceleration due to gravity = 9.81 m s-2.

We  calculate the  acceleration of the cage by using an equation of motion:

Distance = ut + 1/2 a t^2     where u = initial velocity , t = time and a = acceleration:

75 = 0(t) + 1/2 a (10^2)

50a =  75

a = 1.5 m s-2.

So using Newtons second law of motion

Force = mass * acceleration:

700*9.81 - T = 700 * 1.5

T = 700 * 9.81 - 700*1.5

= 5817 N.

8 0
4 years ago
PLEASE Help!
klio [65]
<span>Two triangles are congruent if they have: exactly the same three sides and; exactly the same three angles. the information above is not sufficient for telling there are congruent triagles
so the possible answer is </span>
<span>-none of the triangles </span>
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4 years ago
PLEASE HELP!! I WILL GIVE BRAINLIEST!
deff fn [24]

the answer is C)18 sorry if it was to late

8 0
3 years ago
Use the graph of y =g(x) to graph the given function.
Semenov [28]

Answer:

See image attached

Step-by-step explanation:

This type of transformation corresponds to a reflection of the function's graph around the x axis. Therefore one should obtain the mirror image of the segments on he upper quadrant as shown in red in the attached image.

3 0
3 years ago
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