Answer:
$3/book
Step-by-step explanation:
cost per book means divide the price of all the books by the number of books
$15/(5 books) = $3/book
Answer:
The correct options are 1, 2, 4 and 6.
Step-by-step explanation:
The given expression is
To subtract like term subtract like terms, subtract the coefficients, not the variables.
Therefore option 1 is correct.
Like terms are terms that contain the same variable, raised to the same power. For example: 3xy and 5xy, 4x² and 3x².
Therefore, option 2 is correct.
Using distributive property we get
Only combine terms which contain the same variable.
Therefore option 4 is correct.
The simplified expression is -4x-3y+3z. Therefore option 6 is correct.
70 m * (100cm)/(1m) * (1 in)/(2.54 cm) = 2755.9 in
.
<span>Rough check, 1 m = 39.36 in approx , 70*39.36 = 2755.2
</span>
I think that's how it's done. As far as explaining it goes, I can't do that. I had to ask my math teacher and she wrote the calculations down.
Use long division to find the quotient below (x²+15x+56)÷(x+8) = x + 7
The weight loss in these three methods does not differ because the average weight loss is very similar in all 3.
<h3>How to calculate the average weight loss?</h3>
To calculate the average weight loss in these three situations, we must add all the values and divide the result by the number of values, for example:
- 7 + 7 + 5 + 4 + 6 = 29
- 7 + 8 + 8 + 9 + 5 = 37
- 7 + 9 + 7 + 8 + 8 = 39
- 39 ÷ 5 = 7.8
- 37 ÷ 5 = 7.4
- 29 ÷ 5 = 5.8
According to the above, it can be inferred that the hypothesis that the difference between one program and another is not significant enough to consider one plan more or less effective than another, because radically differences are not shown in each case.
Learn more about hypothesis in: brainly.com/question/2695653
