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kherson [118]
3 years ago
9

An architect represents a 9 inch height as 1/4 inch on a scale drawing. Which of the following scales did the architect use?

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
3 0

Answer:

1/4x9=9/4   2 1/4, 2.25, (3/2)2

Step-by-step explanation:

The answer is 9/4 when you multiply it. But it can also be simplified as one of the answers here I wrote above.

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A tree struck by lightning broke at a point 12 feet above the ground. What was the height of the tree to the nearest tenth of a
algol13

Answer:

52.8 feets

Step-by-step explanation:

From the diagram :

The height of tree woulb be :

Height above the ground (at breakpoint) + hypotenus

Hypotenus, h cab be obtained using Pythagoras rule :

h² = opp² + adj²

h² = 39² + 12²

h² = 1665

h = sqrt(1665)

h = 40.804 feets

Height of tree to the nearest tenth ;

40.804 feets + 12 feets

= 52.804 feets

= 52.8 feets

7 0
3 years ago
I will mark you as brainlis if you andwer this all.
dimaraw [331]

Answer: See below

Step-by-step explanation:

27.  -(a-3)

28.  (b-1)(b+3)

29.  (c+4)(c+5)

30.  d(d+5)

31.  -(3/4)(2e-5)

Sorry - I don't have time to enter the details.  Look for areas where the expressions can be factored in a manner that forms as many equivalent expressions in both the numerator and denominator.

For example:  In problem 30:

(5d-20)/(d^2+d-20) * [??]/20d = 1/4

Factor:  

  <u>(5(d-4))</u>       <u>d(d+5)</u>        = 1/4

(d-4)(d+5<u>)</u>       20d

The (d-4), d+5, and d terms cancel, leaving

5/20 = 1/4

7 0
2 years ago
Which angle is complementary to &lt;1?
Brrunno [24]

Answer:

I don't know sorry but have a nice time answering this question

7 0
2 years ago
Which of the following is the equation of a circle with center (5, -2) and a radius of 3? (1 point)
Oksi-84 [34.3K]
\bf \textit{equation of a circle}\\\\ &#10;(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2&#10;\qquad &#10;\begin{array}{lllll}&#10;center\ (&{{ h}},&{{\ k}})\qquad &#10;radius=&{{ r}}\\&#10;&5&-2&3&#10;\end{array}
8 0
3 years ago
Read 2 more answers
3(x+1)-8=14-2(3x-4)
VLD [36.1K]

Answer:

  • 3x+3-8=(14-2=12)36x-48

Step-by-step explanation:

3x+3-8=36x-48

collect like terms

3x-36x=-48-3-8

-33x=-59

divide both side

-33×\+-33=-59/-33

×=59/-33 or 1.69

7 0
3 years ago
Read 2 more answers
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