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mamaluj [8]
3 years ago
12

(4/2)^2*3.4*4

Mathematics
2 answers:
Andrej [43]3 years ago
7 0
The original expression evaluates to 54.4 as shown in the first working.

_____
For some reason, 3.4 got transcribed to be 1.7 in the 3rd line of the second working. There is no math operation in the expression that requires 3.4 to be divided by 2.
FinnZ [79.3K]3 years ago
3 0

Answer:

54.4

Step-by-step explanation:

We begin with the expression:

(\frac{4}{2} )^2*3.4*4

First, we can simplify the fraction within the parenthesis

(2)^2*3.4*4

Now we can apply the power

4*3.4*4

Lastly, we can multiply everything together

54.4

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A man standing near a building notices trhat the angle of elevation to the top of the buiilding is 64. he then walks 240 feet fa
trasher [3.6K]
See the picture attached to better understand the problem
 we know that
in the right triangle ABC
tan 64°=AB/AC------> AB=AC*tan 64°-----> AB=x*tan 64°---> equation 1

in the right triangle ABD
tan 43°=AB/DA----> AB=DA*tan 43°---> AB=(240+x)*tan 43°---> equation 2

equate equation 1 and equation 2
x*tan 64°-=(240+x)*tan 43°---->x*tan 64=240*tan 43+x*tan 43
x*[tan 64-tan 43]=240*tan 43-----> x=240*tan 43/[tan 64-tan 43]
x=200.22 ft

AB=x*tan 64----> AB=200.22*tan 64-----> AB=410.51 ft

the answer is
410.51 ft

3 0
3 years ago
5y+1=1<br> Subtract 1 from both sides
maks197457 [2]

Step-by-step explanation:

5y + 1 = 1 \\ subtracting \: 1 \: from \: both \: sides \\ \red{ \boxed{ \bold{ 5y + 1 - 1 = 1 - 1}}} \\ 5y = 0 \\ y = 0

4 0
3 years ago
The area of a rectangular lawn is 255 metre square if its length is 15 M find its perimeter​
geniusboy [140]

Answer:

Step-by-step explanation:

width is 255/15=17

perimeter = 17*2+15*2=64

EZ

7 0
2 years ago
The scatter plot shows the number of stamps Katie collected in different months:. . Plot ordered pairs 1, 30 and 2, 70 and 3, 11
Virty [35]
The sequence:
a 1 = 30,  a 2 = 70,  a 3 = 110,  a 4 = 150,  a 5 = 190,...
a 2 = a 1 + d
70 = 30 + d
d = 70 - 30 = 40
a n = a 1 + ( n - 1 ) * d
For the 25th month:
a 25 =  30 + 24 * 40 = 30 + 960 = 990
Answer: B ) 990.
3 0
3 years ago
(Upvote. Explain?)
kirill [66]
(7,0) is the right option hope this helps :D
3 0
3 years ago
Read 2 more answers
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