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alex41 [277]
3 years ago
11

The temperature was –3º C last night. It is now –4º C. What was the change in temperature?

Mathematics
2 answers:
NNADVOKAT [17]3 years ago
5 0
-3 plus 4 degrres celcious.
allochka39001 [22]3 years ago
3 0
It dropped one degree as of last night.


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Graph the solution to this system of inequalities in the coordinate plane.
Vsevolod [243]

By using Geogebra online graphing calculator, the solution to this system of inequalities are plotted in the image attached below.

<h3>What is an inequality?</h3>

An inequality is a mathematical relation that compares two (2) or more integers and variables in an equation based on any of the following:

  • Less than (<).
  • Greater than (>).
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Given the following system of inequalities:

3y > 2x + 12  ⇒ 3y - 2x > 12

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By using Geogebra online graphing calculator, the solution to this system of inequalities are plotted in the image attached below.

Read more on inequalities here: brainly.com/question/24372553

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3 0
2 years ago
The ages of three cousins are consecutive even whole numbers. The sum of the youngest and oldest is 16. How old is the oldest co
PilotLPTM [1.2K]
The oldest cousin should be 10. If their ages are consecutive even whole numbers, then the younger cousins should be 2 & 4. 2+4=6+10=16
4 0
3 years ago
Is 25,365 cm greater or less than 30 m
anyanavicka [17]
25365cm÷100=m
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6 0
3 years ago
Factor the polynomial by its greatest common monomial factor.<br> 4425 - 66K4 + 7763
lubasha [3.4K]

Answer:

=−66k4+12188

Step-by-step explanation:

7 0
3 years ago
A machine used for packaging seedless golden raisins is set so that their standard deviation in the weight of raisins packaged p
Kazeer [188]

Answer:

population standard deviation does not differ from 0.25

Step-by-step explanation:

The hypothesis :

σ² = 0.25²

σ² ≠ 0.25²

The Chisquare statistic, χ²: (n-1)*s²/σ²

Where s² = sample variance ; sample size, n = 30

Using calculator, the sample variance, s² = 0.1646

χ² = (n-1)*s²/σ²

χ²: (30 - 1) * 0.1646 / 0.25²

χ² = (29 * 0.1646) / 0.0625

χ² = 0.3292 / 0.0625

χ² = 5.2672

α = 0.05

Using the Pvalue from Chisquare calculator ; df = 29

Pvalue = 1

Since, Pvalue > α ; We fail to reject the null and conclude that population standard deviation does not differ from 0.25

4 0
3 years ago
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