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scoray [572]
3 years ago
7

A scale drawing of a building needs to be made using the scale 1 in equals = 230 230 ft. How tall will the building in the scale

drawing be if the building is 2070 2070 ft​ tall? The height of the building in the scale drawing will be nothing in. ​(Simplify your​ answer.)
Mathematics
2 answers:
alexandr1967 [171]3 years ago
6 0
Should be 45.7 for the answer
AfilCa [17]3 years ago
5 0

Answer:

To solve this you do 2070/230 which is 9 That means you have a 9 inch building in the scale drawing.

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Look at the graph shown below:
ElenaW [278]
So.. take a peek at the picture... let's get two points from it, hmm say 0,4 notice it touches the y-axis there, and say hmmm -4, 1, almost at the bottom of the line

\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%   (a,b)
&({{ 0}}\quad ,&{{ 4}})\quad 
%   (c,d)
&({{ -4}}\quad ,&{{ 1}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{1-4}{-4-0}

\bf y-{{ y_1}}={{ m}}(x-{{ x_1}})\qquad 
\begin{array}{llll}
\textit{plug in the values for }
\begin{cases}
y_1=4\\
x_1=0\\
m=\boxed{?}
\end{cases}\\
\textit{and solve for "y"}
\end{array}\\
\left. \qquad   \right. \uparrow\\
\textit{point-slope form}

once you get the slope and solve for "y", that'd be the equation of the line.
7 0
3 years ago
A spieces of extremely rare, deep water fish are slowly becoming extinct. If there are a total of 821 of this type of fish and t
Step2247 [10]

Answer:

12 months in a year

6 is half a month so we're going off of 6 months.

So:

821*0.15= 123.15

821- 123.15= 697.85

697.85*0.15= 104.6775

697.85-104.6775= 593.1725

593.1725*0.15= 88.975875

593.1725-88.975875= 504.196625

504.196625 *0.15= 75.62949375

504.196625- 75.62949375= 428.56713125

428.56713125*0.15= 64.2850696875

428.56713125-64.2850696875 = 364.282061562

364.282061562*0.15= 54.6423092344

364.282061562-54.6423092344 = 309.639752328

So its 310 fish.

6 0
3 years ago
One number is equal to the square of another. find the numbers if both are positive and their sum is 930.
Varvara68 [4.7K]
One number is equal to the square of another. find the numbers if both are positive and their sum is 930.

7 0
4 years ago
Write (p^2)^3 without exponents
Rasek [7]

Answer:

p*p*p*p*p*p*p*p*p

Step-by-step explanation:

(p^2)^3

2^3=8

=p^8

p^8 = p*p*p*p*p*p*p*p

4 0
3 years ago
Help please thank you
Wewaii [24]

Answer:

Exponential

Step-by-step explanation:

Exponential describes a very rapid increase. An exponential rise in the number of first graders with head lice might be a result of all the hat sharing that's gone on lately.

Exponential is also a mathematical term, meaning "involving an exponent." When you raise a number to the tenth power, for example, that's an exponential increase in that number. When your next door neighbor describes the exponential growth of her rose bushes or the exponential increase in members of her book group, she means that there's been a sharp, fast expansion of both things.

5 0
3 years ago
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