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Oliga [24]
3 years ago
14

What is the inverse of the function f(x) = 2x + 1?

Mathematics
1 answer:
adelina 88 [10]3 years ago
4 0

Answer:

(1/2)x-1/2 hope this is the answer if it's not then srr

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Please help! It's a final!!
Svetach [21]

Answer:

BBBBBBBBBB

Step-by-step explanation:

yeah if you add 2 without parenthesis it goes up

6 0
3 years ago
Complete the statement below.
slava [35]

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▹ Answer

<em>3 × 4 = 4 × 3</em>

▹ Step-by-Step Explanation

You can use any expression that shows the commutative property of multiplication. For example, 3 × 4 = 4 × 3

Hope this helps!

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4 0
3 years ago
An electrical shop reduces display goods by 20%. A display TV is sold for £200. What is the usual price of the same TV?
Fynjy0 [20]
200 is 80%
200 / 80 = 2.50 (1%)
2.50 * 100 = £250

Hope this helps.
8 0
3 years ago
A coat has been marked down 20% to $26.40 what was it's original value?
Gemiola [76]
20% is equal to 0.2
0.2 times 26.40 is equal to 5.28
26.40 minus 5.28 is equal to 21.12
6 0
3 years ago
Thomas and Pablo began arguing about who did better on their tests, but they couldn't decide who did better given that they took
Shkiper50 [21]

It should be noted that the z score for Thomas test grade is 0.237.

<h3>How to illustrate the information?</h3>

From the information, Thomas took a test in Social Studies and earned a 74.8 and there is the fact that all the students' test grades in the Social Studies class had a mean of 72.6 and a standard deviation of 9.3,

Therefore, the z score for Thomas test grade will be:

= Test score - Mean / Standard deviation

= 74.8 - 72.6 / 9.3

= 0.237.

Therefore, it should be noted that the z score for Thomas test grade is 0.237.

Learn more about standard deviation on:

brainly.com/question/12402189

#SPJ1

Thomas and Pablo began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Thomas took a test in Social Studies and earned a 74.8, and Pablo took a test in Science and earned a 64.1. Use the fact that all the students' test grades in the Social Studies class had a mean of 72.6 and a standard deviation of 9.3, and all the students' test grades in Science had a mean of 61.1 and a standard deviation of 9.8 to answer the following questions.

Calculate the z score for Thomas test grade.

4 0
1 year ago
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