2 years ago

Late work 4 physics

Mathematics

1 answer:

Oliga [24]2 years ago

7 0

Answer:

Step-by-step explanation:

problem 4

Velocity is +2.0m/s and constant acceleration is -0.5m/s^2

For every second the velocity drop by 0.5 m/s, so after 2 seconds the velocity is 1 m/s.

problem 5

Accelerate from rest to 28m/s means go from 0 to 28m/s so with

a constant acceleration of 5.5 m/s^2 it will take 5.09 second

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There are three samples A, B, and C. Sample A indicates 50 successes out of 120 cases, sample B indicates 80 successes out of 12

san4es73 [151]

Answer:

Step-by-step explanation:

From given information

P_{A} = 50 /120 = 0.4166667

P_{B} = 80 /120 = 0.6666667

P_{C} =48/120 = 0.4

Ha : p > 0.4

Correct order is

Answer : C) B ,A ,C

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2 years ago

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Order the following integers from least to greatest. Then plot them on the number line.

Semenov [28]

Answer:

-7,-5,-4,-2,1,3,4,6,8,9

Step-by-step explanation:

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2 years ago

The greens are Gavin g a well built in their backyard on Monday 110 feet of the well was dug and another 72 feet was dug on Tues

Simora [160]

Answer:

182 feets

Step-by-step explanation:

Given :

Feets dug on Monday 110 feets

Feets dug on Tuesday = 72 feets

Total number fo feets below the ground :

Feets dug on Monday + Feets dug on Tuesday

110 feets + 72 feets = 182 feets

Total feets below the ground is 182 feets

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2 years ago

EASY MATH PLEASE HELP

I am Lyosha [343]

Answer:

C. (2,-4)

Step-by-step explanation:

the reflection of (-2, -4) is (2, -4)

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2 years ago

Solving Quadratic Equations-<br> Factorable<br> 2x^2 - 7x -15= 0

Pepsi [2]

Step-by-step explanation:

$2{x}^{2} - 7x - 15 = 0$

can be factored to

$(2x + 3)(x - 5) = 0$

Hence,

$x = 5$

$x = - \frac{3}{2}$

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2 years ago