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Y_Kistochka [10]
3 years ago
11

Can you go on my page and answer my question about arcs

Mathematics
1 answer:
Lelechka [254]3 years ago
8 0

Answer:

ill try

Step-by-step explanation:

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The tables below show running hours of three printers that produce greeting cards and the total number of greeting cards produce
AysviL [449]

<u>ANSWER</u>

The correct answer is A


<u>EXPLANATION</u>



To find the ink cost of each card coming from printer  B, we need to find the total cost from printer B and the total number of cards printed by Printer B.


The total hours of all the three printers over the three weeks

=40+45+55+50+50+30+45+40+60=415


The total hours of printer B only

=50+50+30=130


Total number of cards produced over the three weeks


=7950+7800+9600=25350


We can use ratio and proportion to determine the total cards produce by printer B only.


415:25350


130:x


If less, more divides


x=\frac{130\times 25350}{415} \approx7941


Total cost of Printer B in 130 hours

$=130 \times 15=1950


The ink cost

=\frac{1950}{7941}


=0.2456


$\approx 0.30

to 2 decimal places

8 0
3 years ago
Read 2 more answers
Can parametric form mean no solution or infinite solutions?
Alisiya [41]
Infinite solutions they are a set of equations that express a set of quantities
3 0
3 years ago
What is the correct order for these statements to be placed in the proof above
Nesterboy [21]
The order of these statements are CADB
8 0
3 years ago
A bicycle is turned upside down while its owner repairs a flat tire. A friend spins the other wheel h and observes that drops of
fredd [130]

Answer:

a) Check Explanation

b) α = - 0.32 rad/s²

Step-by-step explanation:

a) The first drop rises higher than the second drop because the speed of the tire has reduced from what it was during the first turn to a lower value during the second turn. This will most likely be due to how bicycle tires are set up, plenty frictional elements to tamper and reduce the speed of the bike until it is pedalled again.

Note that the speed with which the drops of water rise are both equal to the corresponding tangential speeds of the tire at those points in time. And since the tangential speed of the tire reduces in between turns, the height travelled by the drops too, reduces.

b) To calculate the angular acceleration for the two cases.

The kinetic energy of the drops of water while on the tire is converted to the energy used to attain the respective heights that they attain.

(1/2)mv² = mgh

v = √(2gh)

For the first drop

h₁ = 54.0 cm = 0.54 m

r = 0.381 m

v₁ = √(2gh₁)

v₁ = √(2×9.8×0.54) = 3.253 m/s

w₁ = (v₁/r)

w₁ = (3.253/0.381) = 8.538 rad/s

For the second drop

h₂ = 51.0 cm = 0.51 m

r = 0.381 m

v₂ = √(2gh₂)

v₂ = √(2×9.8×0.51) = 3.162 m/s

w₂ = (v₂/r)

w₂ = (3.162/0.381) = 8.300 rad/s

Using the equations of angular motion,

w₂² = w₁² + 2αθ

θ = 2π

8.3² = 8.538² + 4π (α)

α = -0.32 rad/s²

Negative because it is angular deceleration

Hope this Helps!!!

3 0
3 years ago
I-Ready
Slav-nsk [51]

Answer:

32

Step-by-step explanation:

4 0
2 years ago
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