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Zepler [3.9K]
2 years ago
13

James buys a video game for his Xbox for $49.99, a controller for $34.95. The sales tax in his area is 8.25%. What will be the t

otal cost of his purchase?
Mathematics
1 answer:
mina [271]2 years ago
5 0

Answer:

$91.95

Step-by-step explanation:

First add all the items cost together: $49.99 + $34.95 = $84.94

Now to add the sales tax, first multiply the total cost by 0.00825:

$84.94 x $0.0825 = $7.00755

Now add 7.00755 to the total cost Of the items:

$84.94 + $7.00755 = $91.94755

Round to the nearest cent to get your total cost including sales tax:

$91.95

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A swimmer swam 48 kilometers in d days. What is the value of d if the swimmer swam an average of 3.2 kilometers daily?
Semmy [17]
ANSWER:

d = 15

The swimmer swam 48 kilometres in 15 days.

STEP-BY-STEP EXPLANATION:

Let d = total no. of days the swimmer swam

Total no. of kilometres swam = 48

Average no. of kilometres swam daily = 3.2

THEREFORE:

3.2d = 48

d = 48 / 3.2

d = 15
4 0
3 years ago
ben has 3 times as many guppies as goldfish. if he has a total of 20 fish, how many guppies does he have?
My name is Ann [436]
It will be 60 puppies.
6 0
3 years ago
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What is 96/126 in simplest form
Elina [12.6K]
\frac{96}{126}\\\\96\ and\ 126\ are\ even\ numbers\ divisible\ by\ 2\\\\\frac{96:2}{126:2}=\frac{48}{63}\\\\48\ and\ 63\ are\ divisible\ by\ 3,\ because\ 4+8=12(divisible\ by\ 3)\\and\ 6+3=9(divisible\ by\ 3)\\\\\frac{48:3}{63:3}=\boxed{\frac{16}{21}}\leftarrow answer
5 0
3 years ago
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At the start of the year, 15 chameleons were introduced into a zoo. The population of chameleons is expected to grow at a rate o
bearhunter [10]

Answer:

option-B

Step-by-step explanation:

We are given

At the start of the year, 15 chameleons were introduced into a zoo

so, P_0=15

The population of chameleons is expected to grow at a rate of 41.42% every year

so, r=0.4142

and x represents the number of years since the chameleons were introduced into the zoo

now, we can set equation to find total population

and we get

P(x)=P_0(1+r)^x

now, we can plug values

P(x)=15(1+0.4142)^x

P(x)=15(1.4142)^x

Average rate of change between 2 years and 4 years:

we can use formula

A_1=\frac{P(4)-P(2)}{4-2}

now, we can plug values

A_1=\frac{15(1.4142)^{4}-15(1.4142)^{2}}{4-2}

A_1=14.99914

Average rate of change between 4 years and 6 years:

we can use formula

A_2=\frac{P(6)-P(4)}{6-4}

now, we can plug values

A_2=\frac{15(1.4142)^{6}-15(1.4142)^{4}}{6-4}

A_2=29.99770

Average rate of change between 6 years and 8 years:

we can use formula

A_3=\frac{P(8)-P(6)}{8-6}

now, we can plug values

A_3=\frac{15(1.4142)^{8}-15(1.4142)^{6}}{8-6}

A_3=59.99425

now, we will check each options

option-A:

we can see that

A_3-A_2=30

A_3-A_2=30

So, this is FALSE

option-B:

A_1=\frac{1}{2}A_2

So, this is TRUE

option-C:

This is FALSE

option-D:

we got

A_1=\frac{1}{2}A_2

so, this is FALSE


5 0
3 years ago
III
WARRIOR [948]

Answer:

  • n = 115.6

Step-by-step explanation:

  • Number = 85
  • 136% of the number = n

<u>The proportion would be:</u>

  • 136%/100% = n/85
  • n = 85*1.36
  • n = 115.6
6 0
3 years ago
Read 2 more answers
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