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ExtremeBDS [4]
3 years ago
12

A tower casts a 30-foot shadow. At the same time, a person who is 6 feet 6 inches tall casts a 4-foot shadow. How tall is the to

wer?
Mathematics
1 answer:
patriot [66]3 years ago
5 0
5 feet 5 inches? I think
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A scale on a map shows that 2.52.52, point, 5 centimeters represents 151515 kilometers.
Dmitry_Shevchenko [17]

Answer:

  105 km

Step-by-step explanation:

Written as a proportion, the ratio of km to cm will be the same for both distances:

  (x km)/(17.5 cm) = (15 km)/(2.5 cm)

  x km = (15 km)(17.5/2.5) = 105 km

105 actual kilometers are represented by 17.5 cm on the map.

5 0
2 years ago
What is the abscissa of the midpoint of the line segment whose endpoints are (5√2,2√3) and (√2,2√3)
xxMikexx [17]
Let
A------> <span>(5√2,2√3)
B------> </span><span>(√2,2√3)

we know that
</span>the abscissa<span> and the ordinate are respectively the first and second coordinate of a point in a coordinate system</span>
the abscissa is the coordinate x<span>

step 1
find the midpoint
ABx------> midpoint AB in the coordinate x
</span>ABy------> midpoint AB in the coordinate y
<span>
ABx=[5</span>√2+√2]/2------> 6√2/2-----> 3√2
ABy=[2√3+2√3]/2------> 4√3/2-----> 2√3

the midpoint AB is (3√2,2√3)

the answer is
the abscissa of the midpoint of the line segment  is 3√2

see the attached figure

3 0
3 years ago
Read 2 more answers
Linear Equations In Any Form. Help ASAP Please
Ronch [10]

The answer is y = 3/4 x + 2



<em>Explanation:</em>


Basically, the formula for a linear equation is y = mx + b

b = y-intercept

mx = slope


slope = rise/ run (pos.)

it can also be fall/ crawl (neg.)


In the graph the line meets at the y-int. at 2, the line rises 3 and goes right 4 each time.

8 0
2 years ago
ziggy sells coffee and donuts , the total number of cofees and donuts ziggy sells today is 100. Ziggy charges 3$ for coffee and
sergejj [24]
You use a system of equations
x= coffee
y= donuts
x+y=100
3x+y=180
there’s 3 ways to solve system of equations substitution graphing and elimination. it would be easiest to use substitution here. So you multiply x+y=100 by -1 so it become -x-y=-100. then you combine it with the other equation and get 2x=80 so x=40 which means 40 cups of coffee were sold then you plug it back in to find y. 40+y=100. y=60.
y= 60 (donuts). x= 40 (coffee)
6 0
3 years ago
for what value of x is &lt;1 complementary to &lt;2, ifm &lt;1=5x+4 and m &lt;2=7x+2 a.3 b7. c.1 d.14.5
antiseptic1488 [7]
Complementary angles are angles whose sum is equal to 90°.

m∠1 = 5x + 4
m∠2 = 7x + 2

m∠1 + m∠2 = 90°.

5x + 4 + 7x + 2 = 90
12x + 6 = 90
12x = 90 - 6
12x = 84
12x / 12 = 84/12
x = 7  Choice B.

m∠1 = 5x + 4 = 5(7) + 4 = 35 + 4 = 39
m∠2 = 7x + 2 = 7(7) + 2 = 49 + 2 = 51

39 + 51 = 90
90 =90

8 0
3 years ago
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