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TiliK225 [7]
3 years ago
5

Steve made a sign for his room that is shaped like a triangle. It is 4.5 feet long and 3 feet high. He wants to make another sig

n that is shaped like a triangle and similar to the first sign. The new sign will be 4 feet high.
Part A Write a proportion that Steve can use to find the length, x, of the new sign.

Part B What is the length, in feet, of the new sign?
Mathematics
2 answers:
Alex_Xolod [135]3 years ago
7 0

Answer:

I am not american, so I don't know if this is correct or now. You times 10*15 to get the surface area of one wall. Then you times that by 4 to get four walls. I think the answer is 600 ft

Step-by-step explanation:

hope it helps

Elina [12.6K]3 years ago
3 0

Answer:

<em><u> Part A)    Using cross product x= 4.5*4/3</u></em>

<em><u>Part B )    x= 4.5*4/3= 18/3=6 Fee</u></em>t

Step-by-step explanation:

Length : Height

4.5        :     3

x           :     4

<em><u> Part A)      Using cross product x= 4.5*4/3</u></em>

<em><u>Part B )    x= 4.5*4/3= 18/3=6 Fee</u></em>t

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Is the pythagorean theorem true for all similar triangle
mojhsa [17]
False because you can only use the Pyth. Theorem on right triangles which may not necessarily be ALL similar triangles.
6 0
3 years ago
Find a value of x that makes the equation true:<br> -(-2x + 1) = 9 – 14x
luda_lava [24]

Answer:

x=0.625

Step-by-step explanation:

-(-2x+1)=9-14x

distribute:

2x-1=9-14x

add  1 to both sides

2x = 10-14x

add 14x to both sides

16x=10

divide by 16 to isolate x

x = 0.625

check:

-(-2(0.625)+1) = 9-14(0.625)

0.25 = 0.25

5 0
2 years ago
Read 2 more answers
Please help me thank you
gayaneshka [121]

Answer:

x = 6

Step-by-step explanation:

First, separate the problem into -\frac{2x}{3} +9=\frac{4x}{3} - 3

Then, Subtract 9 from both sides of the equation. -\frac{2x}{3} +9-9=\frac{4}{3} * x - 3-9

Simplify. -\frac{2x}{3}=\frac{4x}{3}-12

Multiply 3 to each side, which will give you -2x = 4x - 36

Subtract 4x from each side  -2x - 4x = 4x - 36x - 4x

Combine like terms: -6x = -36

Divide both sides by -6

Your answer should be 6

<em>(sorry for the late answer)</em>

5 0
3 years ago
Last year, a large trucking company delivered 5.5x10^5 tons of goods with an average value of $23,000 per ton. What was the tota
AleksandrR [38]
The total value is:
5. 5 x 10 ^5 * 23 x 10^3 = 
= $126.5 * 10^8 =
= $1.265 x 10^10
Answer: B )
4 0
3 years ago
Would $105.00 be correct? With the equation of Y=x(15)?
Vilka [71]

Answer:

$15.00h=N

$15.00(7)=N

$105.00=N

N=$105.00

So yes you are correct

Hope that helped

4 0
3 years ago
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