3 years ago

Someone please help me

Mathematics

1 answer:

jenyasd209 [6]3 years ago

4 0

Question A = 30
Question B = answer choice A
question c = answer choice B
question d = answer choice A

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Question 1

Lunna [17]

Answer:

1)x=21.33

2)Height of tree is 20 m

Step-by-step explanation:

Question 1

ΔABC ≈ΔADE

Property of similar triangles :Corresponding sides of similar triangles are all in the same proportion

So, $\frac{AB}{AD}=\frac{BC}{DE}\\\frac{AB}{AB+BD}=\frac{BC}{DE}\\\frac{12}{12+6}=\frac{x}{32}\\\frac{12}{18}=\frac{x}{32}\\\frac{12}{18} \times 32 =x\\21.33=x$

Question 2: Find the height of tree

ΔDEF ≈ΔDHI

Property of similar triangles :Corresponding sides of similar triangles are all in the same proportion

So, $\frac{DE}{DH}=\frac{EF}{HI}\\\frac{3}{30}=\frac{2}{HI}\\HI=\frac{2 \times 30}{3}\\HI=20$

Hence The height of tree is 30 m

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3 years ago

At a height of about 212 meters, One Shell Square is the tallest building in New Orleans. Marlie is creating a scale model of th

alex41 [277]

Answer:

$0.8\ m$

Step-by-step explanation:

In this problem we know that

The scale is equal to

$\frac{1}{250}\frac{m}{m}$

by proportion

Find what will be the height of the scale model

$\frac{1}{250}\frac{m}{m}=\frac{x}{212}\frac{m}{m}\\ \\x=212/250\\ \\x= 0.848\ m$

Round to the nearest tenth of a meter

$0.848\ m=0.8\ m$

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4 years ago

Read 2 more answers

Solve for x, and JUSTIFY your answer

Rashid [163]

Answer:

Step-by-step explanation:

every angle is the same and 1/3 of 180 is 60

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This graph shows the tempature in Diego’s between moon and midnight one day. Choose ALL of the statements that are true.

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All of them are right

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The distance from town a to town b is 5 miles and the distance from town b to town c is 4 miles. which of the following could No

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A. 1 because a to b is 5 miles and b to c is 4 miles so it couldn't be 1 mile

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