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vesna_86 [32]
3 years ago
15

HELP, MATH QUESTION! solve xz+y+1=z for z

Mathematics
1 answer:
galben [10]3 years ago
7 0
Xz+y+1=z. given

y+1=z-xz. subtraction property of equality

y+1=z(1-x) distributive property of multiplication over addition/factoring

(1+y)/(1-x) = z division property of required, given x≠1
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a scale drawing of a building needs to be made using the scale 1 in = 190 ft. how tall will the builging in the scale drawing be
Artist 52 [7]

Answer:

\boxed{\text{3 in}}

Step-by-step explanation:

1 in = 190 ft

x in = 570 ft

We can use ratio and proportion to solve this problem.

\begin{array}{cccl}\dfrac{1}{x} & = & \dfrac{190}{570} & \\\\570 & = & 190x & \text{Mutiplied by lowest common denominator (570x)}\\3 & = & x & \text{Divided each side by 3}\\\end{array}

The building will be \boxed{\textbf{3 in}} tall in the scale drawing.

3 0
3 years ago
Ricard lost 6 golf balls while playing yesterday. He bought a box of 12 golf balls ,then lost 4 on the course today . He now has
viktelen [127]

16, first you need to add on the four he lost to the 18 he ended with.

4 0
3 years ago
Why does it help to rearrange
hichkok12 [17]

Answer:

You don't really need to do it, but it helps you keep things more organized and easier to follow. Imagine if you're doing some multi-variable equation,

2a + 5b + 4d + 3c + b + a + 2d

that looks like a mess, it'll be easier to look at if you put all the similar variables next to each others like this:

a + 2a + b + 5b + 3c + 2d + 4d

(a + 2a) + (b + 5b) + 3c + (2d + 4d)

now you can add them up much easier.

8 0
3 years ago
6.11 Assume that an r of .80 describes the relationship between daily food intake, measured in ounces, and body weight, measured
Sloan [31]

Answer:

The coefficient of correlation does not change.

Step-by-step explanation:

We are given the following in the question:

The daily intake food is measured in ounces.

The body weight is measured in pounds.

Correlation between food intake and body weight = 0.80

Properties of correlation:

  • Correlation is a technique that help us to find or define a relationship between two variables.
  • It is a measure of linear relationship between two quantities.
  • The correlation between two variables is not effected by the units of the variable.
  • Even if the variable of the explanatory variable or the response variable changes, the correlation does not not change and remains same.

Conclusion:

A shift in units from ounces to grams and from pounds to kilogram does not change the value of coefficient of correlation.

8 0
3 years ago
PLEASE HELP ME WITH THIS!!!!!!
Lapatulllka [165]

Answer:

Parallelogram

Step-by-step explanation:

Hope this helps! Please leave any questions or concerns in the comments, byeee <3

6 0
3 years ago
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