2 years ago

Zac wants to lay new carpet in the entrance and hallway of his house as shown below.

Mathematics

2 answers:

Fed [463]2 years ago

8 0

Answer: 168.60.

Step-by-step explanation: I took the test and got a 100! Good luck and try your best...ilyyy :)

andreev551 [17]2 years ago

4 0

Answer: a

Step-by-step explanation:

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A store makes a profit of $18 on a blanket after a markup of 30%. What is the selling price of the blanket?

Sidana [21]

$23.40 because 18•0.3=5.4 and 18+5.4=23.4.

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2 years ago

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Old faithful in Yellowstone National Park shoots water 60 feet into the air that casts a shadow of 42 feet. What is the height o

Serhud [2]

Answer:

The height of near by tree will be 90 feet.

Step-by-step explanation:

Considering the water triangle as shown in figure a.

As the old faithful shoots water 60 feet into the air that casts a shadow of 42 feet.

Considering the tree triangle as shown in figure a. The tree triangle has a shadow 63 feet long.

Let x be the height of near by tree that cost a shadow 63 feet long.

Assuming that the triangles are similar

So,

the ratios of similar triangles will be related as:

$\frac{63}{42}=\frac{x}{60}$

$\mathrm{Switch\:sides}$

$\frac{x}{60}=\frac{63}{42}$

${x}=60.\frac{63}{42}$

$x=90$ feet

Therefore, the height of near by tree will be 90 feet.

Keywords: ratio, similar triangle

Learn more about similar triangle from brainly.com/question/10161974

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2 years ago

Julie wants to purchase a new home in six years.

sergejj [24]

Good for Julie! Is there a question that comes with this post?

-TTL

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Consider the system of linear equations. 5x+10y=15 10x+3y=13 To use the linear combination method and addition to eliminate the

antiseptic1488 [7]

Answer:

A: -2

Step-by-step explanation:

You want some factor k such that k(5x) +(10x) = 0. That is, 5k+10 = 0. The solution to this is k=-2, corresponding to selection A.

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Yuson used her calculator to solve the equation 4/5x - 8 = 3. She entered the following on her screen and got an incorrect answe

Firlakuza [10]

Answer:

55/4

Explanation:

Let's solve your equation step-by-step.

4 /5x−8=3

Step 1: Add 8 to both sides.

4 /5x−8+8=3+8

4 /5 x = 11

Step 2: Multiply both sides by 5/4.

( 5 /4 )*( 4 /5 x)=( 5 /4 )*(11)

x= 55/4

Answer:

55 /4

Hope that helps :)

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