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iogann1982 [59]
2 years ago
14

CAN SOMEBODY EXPLAIN HOW TO DO THIS IT'S MY 5TH TIME ASKING AND NOBODY EVEN HELPS ME!

Mathematics
2 answers:
Brrunno [24]2 years ago
5 0

Answer:

10x20+10x6=260

Step-by-step explanation:

Lostsunrise [7]2 years ago
5 0

Answer:

260 cm²

Step-by-step explanation:

Area of the rectangle

= l × w

= 20 × 10

= 200 cm²

Area of the triangle

= ½bh

= ½ × 20 × 6

= ½ × 120

= 60 cm²

Area of the total figure

= Area of the rectangle + Area of the triangle

= 200 cm² + 60 cm²

= 260 cm²

________

Hope it helps ⚜

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rjkz [21]
Two candles=8 hours=8*60=480 minutes
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so the total minutes are 480+80=560 
8 0
3 years ago
Read 2 more answers
- Given a test statistic of t= 3.018 of a left-tailed test with n= 13, use a 0.01 significance level
alina1380 [7]

Using the t-distribution, it is found that the correct option is:

0.005 < P-value < 0.01, reject the null hypothesis.

<h3>What are the hypothesis tested?</h3>

At the null hypothesis, it is tested if the mean of a given population is equal to 85, that is:

H_0: \mu = 85

We have a left-tailed test, hence, at the alternative hypothesis, it is tested if the mean of the population is less than 85, that is:

H_1: \mu < 85

<h3>What is the decision?</h3>

The test statistic is of t = -3.018.

Using a t-distribution calculator, with test statistic t = -3.018, 13 - 1 = 12 df and a significance level of 0.01, it is found that the p-value for a left-tailed test is of 0.0051.

The p-value is <u>less than 0.01</u>, hence the null hypothesis is rejected and the correct option is:

0.005 < P-value < 0.01, reject the null hypothesis.

More can be learned about the t-distribution at brainly.com/question/16313918

5 0
2 years ago
Write the slope intercept form Through (1, -4), parallel to y = -4/3x +3
Grace [21]

Answer:

Hope this is correct

8 0
3 years ago
Which graph represents the solution set to the following system of linear inequalities? y &lt;= 2x + 7 y &gt; - 1/3 * x - 2
Semmy [17]

Step-by-step explanation:

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4 0
3 years ago
An angle measures 142° less than the measure of its supplementary angle. What is the measure of each angle?
eduard

Answer:

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Step-by-step explanation:

<em>Supplementary angles add up to 180°</em>

  • x + (x + 142°) = 180°
  • 2x = 180° - 142°
  • 2x = 38°
  • x = 19°

<u>The other angle</u>

  • x + 142° = 19°  + 142° = 161°
4 0
3 years ago
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