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elena-s [515]
3 years ago
8

6. Jessica bought a new suitcase. The sales tax was 4.5%. If the amount of

Mathematics
2 answers:
Annette [7]3 years ago
8 0

Answer:

We also know that the cost for the tax is 6.93 and we can set up the following proportion rule:

\frac{x}{100} =\frac{6.93}{4.5}

And for this case the value of x represent the cost of the suitcase and solving we got:

x= 100 \frac{6.93}{4.5}= 154

Step-by-step explanation:

Let x the original cost and we also knwo that the tax is 4.5%.

We also know that the cost for the tax is 6.93 and we can set up the following proportion rule:

\frac{x}{100} =\frac{6.93}{4.5}

And for this case the value of x represent the cost of the suitcase and solving we got:

x= 100 \frac{6.93}{4.5}= 154

ra1l [238]3 years ago
3 0

Answer:

$ 154

Step-by-step explanation

Let the value of suitcase=x

x × 4.5% = 6.93 (converted the question into equation)

x × \frac{4.5}{100} = 6.93 (converted the percentage into fraction)

x = 6.93 x \frac{100}{4.5} (took reciprocal of 4.5/100 after moving it to the other side of the equation)

x = \frac{693}{4.5} (multiplied the values)

x = 154 $ (simplified the fraction)

make it the brainliest and get 20 years of luck : )

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Answer:

Step-by-step explanation:

1.0.39

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2 years ago
................. plz let only deltaalex answer:) don’t trust anyone on here but them!
nevsk [136]

Answer:

Step-by-step explanation:

oh law of sines   soo  sin(A) / a = Sin(B) / b

2a)

here DE = side f   then let's find that side with law of sines and plug side f in as 'a' in law of sines , so

Sin(28) / a = Sin(54) / 31  ( where a = f = DE )

can you do the algebra here Emily?  or do you want me to show that?

Sin(28) *31 / Sin(54) = a

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DE = 18.0 m

2b)

find RT  where RT = side a

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then Sin(A) /a = Sin(B) / b

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they want us to find ∠X with law of sines soo

I'll just use the letter they give us for variables

Sin(X) / x  = Sin(Y ) / y

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X = arcSin [ 14 * Sin(108) / 34 ]

X = arcSin [ 0.3916115]

X = 23.0548°

X= 23°  ( rounded to nearest degree )

2d)

they ask us to find ∠E

I'll , again, use the letter they give us for variables

Sin(E) / e = Sin( F ) / f

Sin(E) / 18 = Sin(78) / 30

E = arcSin[ 18 * Sin(78) / 30 ]

E = arcSin [ 0.5868856 ]

E = 35.936 °

E = 36 °    ( rounded to nearest degree )

:)

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3 years ago
I don’t understand constant rates of change help!
REY [17]

Answer:

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Step-by-step explanation:

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