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jeyben [28]
2 years ago
9

Subtract (9x+9)-(8x+8)

Mathematics
1 answer:
san4es73 [151]2 years ago
8 0

Answer:

= x + 1

Step-by-step explanation:

(9x+9)-(8x+8) \\  = 9x + 9 - 8x - 8  \\  = x + 1

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4) You and a friend go out for lunch. Each of you paid $6.50 for the meal including a 6% sales tax.
noname [10]

Answer:6:11

Step-by-step explanation:

I hope this helps

8 0
2 years ago
A one-sided hypothesis test for the proportion for a random sample of 50 the z-score of the
Sedaia [141]

Considering that the p-value associated for a r<em>ight-tailed test with z = 2.115</em> is of 0.0172, it is found that it is significant at the 5% level, but not at the 1% level.

<h3>When a measure is significant?</h3>
  • If p-value > significance level, the measure is not significant.
  • If p-value < significance level, the measure is significant.

Using a z-distribution calculator, it is found that the p-value associated for a r<em>ight-tailed test with z = 2.115</em> is of 0.0172, hence, this is significant at the 5% level, but not at the 1% level.

More can be learned about p-values at brainly.com/question/16313918

6 0
2 years ago
Find f (8) when f (x)=-26/x+7
otez555 [7]

Answer:

-26/8+7=15/4 or 3 3/4

Step-by-step explanation:

3 0
3 years ago
use the line graph to answer the question 9 and 10 how much did the temperature change from Sunday High to Mondays High ? what w
Marizza181 [45]

Answers:

<em>How much did the temperature change from Sunday High to Mondays High?</em>

Change = 4 °C

<em>What was the difference between the high temperatures on Friday and Wednesday?​</em>

Difference = 10 °C

Explanation:

Taking into account the graph, we get that the high temperature each day is:

Sunday: -10°C

Monday: -6 °C

Tuesday: - 4 °C

Wednesday: -6 °C

Thursday: 0 °C

Friday: 4 °C

Saturday: -2 °C

So, the change from Sunday High to Mondays High can be calculated as:

Change = Monday - Sunday

Change = -6 °C - (- 10 °C)

Change = -6 °C + 10 °C

Change = 4 °C

In the same way, the difference between the high temperatures on Friday and Wednesday can be calculated as:

Difference = Friday - Wednesday

Difference = 4 °C - (-6 °C)

Difference = 4 °C + 6 °C

Difference = 10 °C

Therefore, the answers are:

<em>How much did the temperature change from Sunday High to Mondays High?</em>

Change = 4 °C

<em>What was the difference between the high temperatures on Friday and Wednesday?​</em>

Difference = 10 °C

6 0
1 year ago
Sue has 18 sweets.
Norma-Jean [14]
Easy:

((18-x) -5) + ((18+x)➗2)
7 0
3 years ago
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