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2 years ago

5

How do you do algebra

1 answer:

grin007 [14]2 years ago

4 0

Its not that hard... whats the question

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Graph each function. Identify the domain and range

iren [92.7K]

Answer:

1. Domain - All real numbers

Range - y<4

first graph

2. Domain - All real numbers

range - y<8

second graph

Step-by-step explanation:

4 0

3 years ago

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The tree diagram represents an experiment consisting two trials

zavuch27 [327]

Answer:

0.35

Explanation:

P ( B and D )

0.5 * 0.7

0.35

<u>Follow the branch B and then branch D</u>

multiply both the selected probabilities to calculate total probability.

6 0

2 years ago

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Use Hooke's Law to determine the work done by the variable force in the spring problem. A force of 450 newtons stretches a sprin

vlada-n [284]

Answer:

The work done is 202.50Nm

Step-by-step explanation:

Given

$F =450N$

$x_1 = 30cm$

$x_2 = 60cm$

Required

The work done

First, we calculate the spring constant (k)

$F = kx_1$

$450N = k *30cm$

$k = \frac{450N}{30cm}$

$k =15N/cm$

So:

$F = kx_1$

$F(x) = 15x$

The work done using Hooke's law is:

$W =\int\limits^a_b {F(x)} \, dx$

This gives:

$W =\int\limits^{60}_{30} {15x} \, dx$

Rewrite as:

$W =15\int\limits^{60}_{30} {x} \, dx$

Integrate

$W =15 \frac{x^2}{2}|\limits^{60}_{30}$

This gives:

$W =15 *\frac{60^2 - 30^2}{2}$

$W =15 *\frac{2700}{2}$

$W =15 *1350$

$W =20250N-cm$

Convert to Nm

$W =\frac{20250Nm}{100}$

$W =202.50Nm$

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2 years ago

When Danielle goes grocery shopping, she usually buys a gallon of milk and some dinner rolls. She has noticed that there seems t

nika2105 [10]

Answer: The answer is actually C

Step-by-step explanation:

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2 years ago

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You buy 88 packs of markers with 2020 markers in each pack. You already had 1010 markers. Which equation shows how to calculate

alexgriva [62]

You would multiply 2020×88=177760
then add 177760+1010=178770
my calculations came out as 178770

5 0

2 years ago