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Elena L [17]
3 years ago
11

3. Mr. Tipplat can grade 4 papers in 3 minutes. How long wil it take him to grade 22 papere?

Mathematics
1 answer:
tatuchka [14]3 years ago
5 0

Answer: Find the formula and there you go

Step-by-step explanation: Each 4 papers = 3 minutes keep adding it until I get near twenty one and don't go over

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which are the roots of the quadratic function f(b) = b2 – 75? check all that apply. b = 5 square root of 3 b = -5 square root of
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Read 2 more answers
Two slits are illuminated by a 348 nm light. The angle between the zeroth-order bright band at the center of the screen and the
Andre45 [30]

Answer:0.369 m

Step-by-step explanation:

Given

Distance between slit and screen is D=154 cm

Wavelength \lambda =348 nm

Angle between zeroth order bright fringe and Fourth-order bright fringe is \theta =13.5^{\circ}

let distance between the slits be d

Distance of n th bright fringe From central Fringe is given by

y_n=\frac{nD\lambda }{d}

Also \tan \theta =\frac{y_4}{D}

y_4=\tan (13.5)\cdot 1.54

y_4=0.24\times 1.54

y_4=0.369 m

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3 years ago
Solve for x: x²−9=5(x−3).
IceJOKER [234]

Answer:

Step-by-step explanation:

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3 years ago
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