3 years ago

How do i solve x+1,5=please help!!

Mathematics

1 answer:

iren [92.7K]3 years ago

7 0

You're in elementary??

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Two corresponding sides of two similar triangles are 3cm and 5cm. The area of the first triangle is 12cm2. What is the area of t

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Answer:

$33\dfrac{1}{3}\ cm^2$

Step-by-step explanation:

If two corresponding sides of two similar triangles are 3cm and 5cm, then the scale factor is

$k=\dfrac{a_1}{a_2}=\dfrac{3}{5}.$

Two similar triangles have their area proportional with the scale factor of $k^2.$

Hence,

$\dfrac{A_1}{A_2}=k^2,\\ \\\dfrac{12}{A_2}=\left(\dfrac{3}{5}\right)^2,\\ \\\dfrac{12}{A_2}=\dfrac{9}{25},\\ \\A_2=\dfrac{12\cdot 25}{9}=\dfrac{100}{3}=33\dfrac{1}{3}\ cm^2.$

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Answer: 690

Step-by-step explanation:

So, you should do

46,000 * 9% = 4,140

4,140 divided by 6 = 690

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Daniel used 4 red markers and 8 blue markers, What is the ratio ofthe

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The ratio is 1:2, since there are half as many red markers as there are blue.

Step-by-step explanation:

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3 years ago

Read 2 more answers

Emily's bill for dinner at a restaurant was $61. She left an 18% tip. What was the amount of the tip?

UkoKoshka [18]

You cross multiply. So 61 over 18 = x over 100. You multiply 61 and get the answer of 1600. Now with what you have left, you divide that with 18 and you should get your answer of <span>338.888889. Make sure to round it to whatever it tells you to round to!</span>

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4 years ago