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marin [14]
3 years ago
8

HELP!!! TIMED ASSIGNMENT!!!!! PLEASE HELP

Mathematics
1 answer:
eduard3 years ago
5 0

Answer:

see below

Step-by-step explanation:

The first part of the function, f(x) = -2x (for x < -1), is only graphed correctly in the first and third graphs.

The second part of the function, f(x) = -1 (for -1 ≤ x < 2) is only graphed correctly in the first graph, which also correctly graphs the third part of the function,

The appropriate choice is the first graph.

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Use the quadratic formula to solve the equation x2+7x​
monitta

The solution of the equation x2+7x​ is 0, -7 using the quadratic formula.

Step-by-step explanation:

x2 + 7x = 0

-b  ± √ b2 - 4(ac)/ 2a

substitution,

a = 1, b = 7, c = 0

= -7  ± √(7)2 - 4(1 x 0) / 2 x 1

= - 7   ± 7 / 2

x = 0 , -7

4 0
3 years ago
The Ericsson method is one of several methods claimed to increase the likelihood of a baby girl. In a clinical trial, results co
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Answer:

0.001

Step-by-step explanation:

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Recall ;

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Therefore, from the options, we choose the smallest Pvalue as we want the Pvalue to be as small as possible.

4 0
3 years ago
You are given a number line with a left endpoint R, a point in between the two endpoints (not a midpoint though) of S, and a rig
Nina [5.8K]
You just add the lengths of RS and ST together. In your case RT= 24
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2 years ago
A small telescope magnifies
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The observatory telescope has 22 times the magnifying power compared to the small telescope.

Data;

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<h3>Division of Numbers</h3>

To solve this question, we have to divide the large telescope by the small telescope to calculate it's magnifying power.

x = \frac{3300}{150}=22

The magnification of the observatory telescope is 22 times greater or larger than the small telescope.

Learn more on division of numbers here;

brainly.com/question/7068223

4 0
2 years ago
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Answer:250

Step-by-step explanation:

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3 years ago
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