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AURORKA [14]
3 years ago
8

PLEASE HELP!! Determine whether the triangles are similar. If similar state how (AA~,SSS~, or SAS~), and write a similarity stat

ement

Mathematics
1 answer:
salantis [7]3 years ago
3 0

Answer:

Yes they are similar because of SAS similarity

Step-by-step explanation:

the side lengths are proportional to each other, and the angle in the middle of the sides is the same size, therefore it has Side Angle Side (SAS) similarity.

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The base of a triangle is Square root 63 cm and its height is square root28 cm. Find its area.
WARRIOR [948]

Answer:

A=882cm²

PLEASE SAID THANKS

3 0
3 years ago
Please help with these, please don’t give just 1 answer :). 34 points + brainliest
wariber [46]

Answer:

93.60 would be the last price while

23.4 would be the subtracted price

Step-by-step explanation:

20 percent move the decimal over 2 places to the right and get 0.2

then multiply 117 by 0.2 and get the last answer

6 0
3 years ago
Read 2 more answers
A function f has the following verbal description: multiply by 3, add 5, and
STALIN [3.7K]

Regarding the functions in this problem, it is found that:

a) The verbal description of the inverse is: Take the third root, subtract by 5 and divide by 3.

b) The formulas are:

  • f(x) = (3x + 5)³.
  • f^{-1}(x) = \frac{\sqrt[3]{x} - 5}{3}

c) The compositions result in x, hence they are inverses.

<h3>How to obtain the inverse function?</h3>

The original function is described as follows:

  • Multiply by 3: 3x.
  • Add 5: 3x + 5.
  • Take the third power: (3x + 5)³.

Hence the function is:

y = (3x + 5)³.

To obtain the inverse functions, we exchange x and y and then isolate y, hence:

x = (3y + 5)³

\sqrt[3]{x} = \sqrt[3]{(3y+5)^3}

3y + 5 = \sqrt[3]{x}

3y = \sqrt[3]{x} - 5

y = \frac{\sqrt[3]{x} - 5}{3}

f^{-1}(x) = \frac{\sqrt[3]{x} - 5}{3}

The verbal description of the inverse is:

  • Take the third root. sqrt[3](x).
  • Subtract by 5: sqrt[3](x) - 5.
  • Divide by 3.

The compositions are given as follows:

  • f(f^{-1}(x)) = f\left(\frac{\sqrt[3]{x} - 5}{3}\right) = \left(3\left(\frac{\sqrt[3]{x} - 5}{3}\right + 5)\right)^3 = (\sqrt[3]{x})^3 = x
  • f^{-1}(f(x)) = f^{-1}((3x + 5)^3) = \frac{\sqrt[3]{(3x + 5)^3} - 5}{3} = \frac{3x + 5 - 5}{3} = x

More can be learned about inverse functions at brainly.com/question/11735394

#SPJ1

4 0
2 years ago
Pamela's age is three times Jiri's age. The sum of their ages is 20 . What is Jiri's age?
navik [9.2K]

Answer: Jiří is 5 years old.

Step by step:

Let x denote Jiří's age in years. Then Pamela's age is 3x. Their sum is x + 3x = 20. So we solve for x:

x + 3x = 20

4x = 20

x = 5

Jiří's age is 5 years

7 0
3 years ago
Read 2 more answers
As a large truck fills its gas tank, the volume of gas, in gallons, can be modeled with the linear function v = 4.8m + 8.2, wher
jek_recluse [69]

Step-by-step explanation:

Step one:

given data

we are told that the expression is

v = 4.8m + 8.2

where  v is the volume of gas and

            m is the number of minutes it has been filling.

Step two:

Required

<em>Asumming the volume is in Liters</em>

the interpretation of the terms in the expression for the volume

4.8 means that  for every minute 4.8L of gas enters the gas tank

hence the rate of filling is 4.8L/min

8.2 means that there is 8.2L of gas already in the tank before the filling started.

3 0
3 years ago
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