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givi [52]
3 years ago
15

Help please (ty to the people who know this) :)

Mathematics
2 answers:
notsponge [240]3 years ago
4 0

Answer:

C) 3c-5d

Step-by-step explanation:

-c+5d+7c-11d+d-3c

Group the similar terms together:

-c+7c-3c+5d-11d+d

Add/subtract the "c" variables:

3c+5d-11d+d

Add/subtract the "d" variables:

3c-5d

Lapatulllka [165]3 years ago
3 0

Answer:

The answer is C) 3c-5d

Step-by-step explanation:

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When designing an experiment a benefit of larger sample sizes would be more
NARA [144]
The correct answer is B. Representative Data.  This is because if you consult more people pertaining to your experiment, this is basically collecting more data for your experiment.  This relationship is illustrated by answer choice B.
5 0
3 years ago
The sum of a number and two times a smaller number is 98. The bigger number is 22 less than three times the smaller number.
Ghella [55]
The answer is 50 & 24

x - the bigger number
y - the smaller number

<span>The sum of a number and two times a smaller number is 98:
x + 2y = 98

</span><span>The bigger number is 22 less than three times the smaller number:
x = 3y - 22


</span>x + 2y = 98
x = 3y - 22
________
3y - 22 + 2y = 98
5y - 22 = 98
5y = 98 + 22
5y = 120
y = 120/5
y = 24

x = 3y - 22
x = 3 * 24 - 22
x = 72 - 22
x = 50
8 0
3 years ago
Find:
emmasim [6.3K]

Answer:

Step-by-step explanation:

Given the dataset 147, 154, 156, 161, 162,

Mean is the sum of the dataset divided by the total number of dataset.

a) Mean = \sum Xi/N

\overline x = \dfrac{147+154+156+161+162}{5}\\ \\\overline x = \dfrac{780}{5}\\ \\\overline x= 156

b) The formula for calculating the deviation from the mean for each value is expressed as Xi - \overline X where;

Xi is value of each item

xbar is the mean = 156

Mean deviation of 147 = 147-156 = -9

Mean deviation of 154 = 154-156 = -2

Mean deviation of 156 = 156-156 = 0

Mean deviation of 161 = 161-156 = 5

Mean deviation of 162 = 162-156 = 6

c) Sum of the deviations \sum Xi - \overline X = (-9-2+0+5+6)

\sum Xi - \overline X = -11+11

\sum Xi - \overline X = 0

<em>Hence the sum of deviation from the mean is 0</em>

5 0
3 years ago
What is the reminder? Help
Vanyuwa [196]

Answer:

6

Step-by-step explanations:

The remainder is what is left over after dividing whatever from d. So if you add one to d, then the remainder would increase from 5 to 6.

Hope this helps.

4 0
3 years ago
What is the area of the triangle?<br> 16<br> 10<br> 8
MrRa [10]

Answer:

Where is the picture of the triangle?

5 0
3 years ago
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