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rodikova [14]
3 years ago
8

3 friends' meals at a resuraunt cost $13 $14 and $11. Use perentheses to write two diffrent expressions to show how much they sp

ent in all. Wich property does you pair of expressions demonstrate?
Mathematics
1 answer:
klemol [59]3 years ago
8 0

Answer:

38

Step-by-step explanation:

(11+13)+14

11+13=24

24+14=38

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Counting the number of times a third-grade student leaves his seat without permission during a 30-minute observation period is a
notka56 [123]

Answer:

Behavioral modality of measurement

Step-by-step explanation:

Observing a 3rd grade student for 30 minutes as to how many time he leaves his seat without permission is a clear example of using behavioral modality of measurement.

In this modality of measurement the behavior of the object or system is observed when it is put into action.

This example shows as to what will happen or what is supposed to take place when a 3rd grade student is is seated and observed for 30 minutes. It counts as to how many times he leaves his seat in reaction to his stimulus from the environment.

6 0
3 years ago
Help please I will give brainlist
pogonyaev

Answer:

B y+8 = 2(x-4)

Step-by-step explanation:

perpendicular slope is a negative reciprocal of the x

which is 2x

then use the formula

y-y1 = m(x-x1)

y + 8 = 2(x-4)

7 0
2 years ago
How to solve it and the formula to solve it
notsponge [240]

i) u + 3 V

1 by 2 + 3 *minus 2

1 by 2 -6

1 - 12 by 2

- 11 by 2

ii) - 3 * 1 by 2 + 2 * -2 + 3 by 4

minus 19 by 4

7 0
3 years ago
Bottles of grape soda are assumed to contain 300 milliliters of soda. There is some variation from bottle to bottle because the
Pie

Answer:

Because the p-value of 0.0828 is greater than the significance level of 0.05, we fail to reject the null hypothesis. We conclude the data provide convincing evidence that the mean amount of soda in all the bottles filled that day does not differ from the target value of 300 milliliters.

Step-by-step explanation:

The null hypothesis is that the sample mean does not differ from the population mean.

If p < α, we reject the null hypothesis.

If p > α, we do not reject the null hypothesis.

p values are between 0 and 1.

4 0
3 years ago
What is the product?
Serga [27]

Step-by-step explanation:

¾×⅔

=½

<h2>ONE HALF!!!!!!!!!!</h2>
8 0
2 years ago
Read 2 more answers
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