3 years ago

What is the amount of sales tax owned in a $39 jacket if the tax rate is 5%

Mathematics

1 answer:

nadya68 [22]3 years ago

3 0

Answer:

$1.95

Step-by-step explanation:

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9. The temperature at noon was 84° F and it began to drop 0.8° each hour. If the current temperature is 79.2° F, write and solve

PIT_PIT [208]

Answer:6 hours have passed by.

Step-by-step explanation:

0.8x= 84-79.2 where x is the number of hours.

O.8x = 4.8

Divide both sides by 0.8

X= 6

4 0

3 years ago

Multiply and simplify if possible.<br> sqrt 5x(sqrt x-5 sqrt 5)

RSB [31]

Making the assumption that your problem looks like this,
$\sqrt{5x}(\sqrt{x}-5\sqrt{5})$

we use the distributive property to multiply:
$\sqrt{5x}\times \sqrt{x}-\sqrt{5x}\times5\sqrt{5}
\\
\\ \sqrt{5x^2} - 5\sqrt{25x}
\\
\\ x\sqrt{5}-25\sqrt{x}$

5 0

3 years ago

Whenever a,x,y are positive integers, which of the following expressions is equivalent to x^ay^a

lilavasa [31]

Answer:

${(xy)}^{a}$

Step-by-step explanation:

when the exponent is equal, we can put the x and y together in a bracket and a as the Exponent of xy.

Hope I get your question~

3 0

3 years ago

X varies directly with y. If x is 16 when y is 20, find x when y is 80.

Taya2010 [7]

Answer:

Step-by-step explanation:

16/20 reduces down to 2/5

set 2/5=x/80

cross multiply 160=5x

divide 32=x

check 2/5=32/80

32/80; 16/40; 8/20; 4/10; 2/5

yay 32 is the answer good luck :)

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4 years ago

71 points I need the right answer please and brainlest A cube is shown below.

klio [65]

Answer:

should be 1350cm^2

Step-by-step explanation:

hope this helps

6 0

4 years ago

Read 2 more answers