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galben [10]
3 years ago
9

The shadow of a child is 2 feet and the height of the child is 4.5 feet. At the same time of day, the building shadow is 52 feet

. What is the height of the building? i need your help thank you!
Mathematics
2 answers:
Sergeu [11.5K]3 years ago
5 0

Answer:

117 ft

Step-by-step explanation:

let the height of building is h.

\frac{h}{52} =\frac{4.5}{2} \\h=\frac{4.5}{2} \times 52=117~ft

MaRussiya [10]3 years ago
3 0

Answer:

2 feet 4.5 feet 52 feet time it

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Divide 1/5 by 1/2. Input your answer as a reduced fraction.
ad-work [718]

Answer:

2/5

Step-by-step explanation:

1/5 / 1/2= 1/5 x 2/1

2/5

5 0
3 years ago
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Find the value of x and y
Natalija [7]

Hello and Good Morning/Afternoon:

<u>Let's take this problem step-by-step</u>:

<u>What does the information want:</u>

  • value of x
  • value of y

<u>Let's gather some information</u>:

  • ΔA'BC' and ΔABC are similar triangles

             ⇒ Angle B is shared by both triangles

             ⇒ Angle A' and A are the same, as they are both on parallel

                   lines, A'C' and AC, and both angles are formed with the

                   same line AB

                 ⇒ by the <em>Angle-Angle Theorem*</em>, they are similar triangles

<u>If they are similar triangles</u>:

   ⇒ their side lengths are proportional to each other

  • let's find x's value

          ⇒ let's set up a proportion

                 \frac{A'B}{AB} =\frac{A'C'}{AC} \\\frac{30}{x+30} =\frac{14}{22} \\14(x+30) = 30*22\\14x + 420 = 660\\14x = 240\\x = 17.143

  • let's find y's value

          ⇒ let's set up a proportion

                 \frac{BC'}{BC} =\frac{A'C'}{AC} \\\frac{y}{y+15} =\frac{14}{22} \\22y=14(y+15)\\22y=14y+210\\8y=210\\y=26.25

<u>Answer:</u>

  • <u>x= 17.143</u>
  • <u>y = 26.25</u>

Hope that helps!

#LearnwithBrainly

 

5 0
2 years ago
HELP! 10 points!!
Akimi4 [234]

Answer:

A: E = 0.05t +56

B: $73.50

C: $60.05

Step-by-step explanation:

A) I'll just explain the equation in one go

Equation: E = 0.05t + 56

0.05 - This is meant to represent the 5% of tips

5% = 5/100

5/100 = 0.05

56 - This is a set value that has been established as a constant, thus it simply needs to be added to the 5%

B+C) Since we already have the equation set up, we just need to plug in the variable, t.

B) E = 0.05(350) + 56

= 17.5 + 56

= 73.50

C) E = 0.05(81) + 56

= 4.05 + 56

= 60.05

Hope that does something to help, even though this was posted a while ago

6 0
3 years ago
Which of the following is the graph of (x + 1)2 + (y − 6)2 = 36?
Brrunno [24]

Answer:

Step-by-step explanation:

Slope:  

− 1

y-intercept:  

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5 0
3 years ago
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A. 90<br><br> B. 105 <br><br> C. 225<br><br> D. 315
Simora [160]

Answer:

225 is the correct one

Step-by-step explanation:

u multiply 15m*9 months u get 135 and then u add the existing 90m and then it becomes 225mp3

15m*9+90

7 0
3 years ago
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