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maksim [4K]
3 years ago
9

-1/3(n + 15) = -2 Explain how to solve it.

Mathematics
2 answers:
liq [111]3 years ago
6 0
Well, BEDMAS contains the answer

Brackets first
We have a variable here so we won’t touch it for now

Multiplication
Cancel the fraction by multiplying by the denominator
-1(n+15) = -6

Divide by -1 to isolate the brackets
N+15 = 6

Add 15 to both sides
N = 21

Double check by putting 21 instead of n into the equation
Galina-37 [17]3 years ago
3 0

So for this one you need to distribute -1/3 to n and 15........

-1/3n-5= -2

then to get "n" by itself you need to then add 15 on both sides. 15 will cancel out with -15 (because it becomes 0)...... -1/3n= 3

Then you multiply -3/1 on both sides (you do that to get n by itself (cancellation)), and multiply -3/1 with 3......... n= -9 (ANSWER)



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Lin's teacher uses the box to store her set of cubes with an edge length of one half inch. if the box is completely full, how ma
nlexa [21]

Answer:

448 cubes

Step-by-step explanation:

Volume of cubes fitted in the box will be equal to the cumulative volume of the cubes.

Since, volume of a cube = (Side)³

Side of the cube = \frac{1}{2} inch

Therefore, volume of the cube = (\frac{1}{2})^3=\frac{1}{8} inches

Volume of the storage box = 56 cubic inches

Since, number of cubes fitted in the storage box = \frac{\text{Volume of the storage box}}{\text{Volume of one cube}}

                                                                                 = \frac{56}{\frac{1}{8}}

                                                                                 = 56 × 8

                                                                                 = 448 cubes

Therefore, number of cubes fitted in the storage box = 448

3 0
3 years ago
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Tema [17]
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8 0
3 years ago
Please answer soon (40 Points)
Aleonysh [2.5K]

Answer:

-99g - 54

Step-by-step explanation:

-9*11g = -99g

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So, it is -99g - 54

Hope this helps!

4 0
2 years ago
A consumer testing service tested whether the average baking time of whole wheat bread in gas ovens was less than the average ba
vichka [17]

Answer:

Part 1) The explanatory variable is the type of oven

It is a categorical variable

Part 2) The response variable is the baking time

It is a quantitative variable

part 3) two-sample z-test for proportions should be used for the test

Step-by-step explanation:

An explanatory variable is an independent variable that is not affected by all other variables. In this experiment, the type of oven is the input variable and it  is not affected by any other variable

A categorical variable is one that has two or more categories without any intrinsic ordering of the categories. The type of oven is either gas or electric, so it is categorical.

A response variable is a dependent variable whose variation depends on other variables. The baking time in this experiment depends on the type of oven used

A quantitative variable is one that take on numerical values.

A two proportion z-test allows you to compare two proportions to see if they are the same. The null hypothesis (H0) for the test is that the proportions are the same. The alternate hypothesis (H1) is that the proportions are not the same.

5 0
3 years ago
There were a total of 209 basketball games in the season the season played is for 19 months how many basketball games were playe
dangina [55]

Answer:

11

Step-by-step explanation:

divide 209 by 19 to get an equal number of games each month (for 19 months), you will get 11 games each month.

6 0
3 years ago
Read 2 more answers
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