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andre [41]
3 years ago
14

What is 3x + 5 = 10.4

Mathematics
2 answers:
ZanzabumX [31]3 years ago
8 0

Answer:

=1.8

Step-by-step explanation:

i think

ratelena [41]3 years ago
6 0

Answer:

x = 1.8

Step-by-step explanation:

10.4 - 5 = 5.4 (subtract 5 from each side)

to isolate the variable, x, divide each side by 3

5.4/3 = 1.8

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30 degrees

Step-by-step explanation:

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3 years ago
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90

Step-by-step explanation:

5x – 2y + (7x – y)

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The ratio of boys to girls at a movie is 7:10. If there are 49 boys at the movie, then how many girls are at the movie?
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3 0
3 years ago
How does the formula for the sample mean differ from the formula for population mean? Multiple choice question. To calculate the
Katen [24]

Answer:

The formulas are functionally the same, but 'n' (the sample size) is used instead of 'N' (the population size).

Step-by-step explanation:

The sample mean is the average value for a set of observations which is derived from a population. While the population mean is the average value for the entire set of observation belonging to a particular study of interest.

The set of observation belonging to a population is denoted by 'N' ; while the sample size is denoted as 'n' :

The mean formula is written thus :

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6 0
3 years ago
Subtract what she has now from the total she needs. She needs ten. She has one 2 1/3 and 3 1/3 added is 5 2/3
tatiyna

Answer:

4 ⅓

Step-by-step explanation:

10 - 5 ⅔

10 - 5 × 3 + 2/3

10 - 17/3

3 × 10 - 17/3

30 - 17/3

13/3 = 4 ⅓

<u>-TheUnknownScientist</u>

6 0
3 years ago
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