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3 years ago

How do you redraw a scale drawing with a new scale

1 answer:

3 0

Take measurements of what you want to draw, (e.g. a simple cube that is 100 cm x 100 cm x 100 cm.)
A full scale drawing would require you to draw the cube on a paper 100 cm x 100 cm x 100 cm.
If you want to 'scale', you would then redraw using new measurements. So, a 1/10 scale drawing would mean that you would redraw the cube on paper as 10 cm x 10 cm x 10 cm.
A 1/20 scale would be 5 cm x 5 cm x 5 cm. The same concept holds for all scale drawings.

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A second number is 7 less than the first number. The third number is twice the first number. If the sum of the three numbers is

Mars2501 [29]

Answer:

x=4

Step-by-step explanation:

hope it will help

First no.=x

2nd no.=2x

3rd no. =2x+6

x+2x+2x+6=26

5x+6=26

5×=26-6

5x =20.......divide both sides by 5

x=4

1st no.=x=4

7 0

3 years ago

Approximately how much

just olya [345]

Answer:

I believe the 100 dollars in 1990 would be worth 131.75 dollars in the 2000's

3 0

3 years ago

If the r-value, or correlation coefficient, of a data set is 0.926, what is the

n200080 [17]

Answer:

D. 0.857

Step-by-step explanation:

The coefficient of determination, R-squared, is simply the square of the correlation coefficient;

R-squared = r^2

R-squared = 0.926^2

R-squared = 0.857

Therefore, the coefficient of determination is 0.857.

4 0

4 years ago

Read 2 more answers

1/a+1/b=c solve for b how would i do this

olganol [36]

a cheap way to go about it is, let's do away with the denominators, and we'll do so by simply multiplying both sides by the the LCD of all fractions, in this case, that'd be "ab", so we multiply both sides by "ab".

$\bf \cfrac{1}{a}+\cfrac{1}{b}=c\implies\stackrel{\textit{multiplying both sides by }\stackrel{LCD}{ab}}{ab\left( \cfrac{1}{a}+\cfrac{1}{b} \right)=ab(c)}\implies b+a=abc \\\\\\ a=abc-b\implies a=\stackrel{\textit{common factor}}{b(ac-1)}\implies \cfrac{a}{ac-1}=b$

8 0

3 years ago

write the following sentence as an equation: x is directly proportional to y and is inversely proportional to the cube of z.

Brrunno [24]

Step-by-step explanation:

x=y

y=1/z^3

Now,

for equation,

x=y=1/z^3

5 0

3 years ago