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iVinArrow [24]
3 years ago
13

tony buys a pair of running shoes for $80. he pays 9% sales tax. How much does the pair of running shoes cost in total.

Mathematics
1 answer:
Yuki888 [10]3 years ago
5 0
Write an equation first
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Two friends are collecting stuffed animals. Veronica has 5 more than double the number of stutted
STatiana [176]

v + m = 32 and v = 5 + 2m are the equations that are used  to determine m, the number of stuffed animals Mariposa has

Number of stuffed animals Mariposa has is 9 and number of stuffed animals with Veronica is 23

<h3><u>Solution:</u></h3>

Let "v" be the number of stuffed animals with Veronica

Let "m" be the number of stuffed animals with Mariposa

Given that,

Together, they have 32 stuffed animals

Therefore,

v + m = 32  --------- eqn 1

Veronica has 5 more than double the number of stutted  animals as her friend Mariposa

Therefore,

Number of stuffed animals with Veronica = 5 + 2(number of stuffed animals with Mariposa)

v = 5 + 2m ---------- eqn 2

Thus eqn 1 and eqn 2 can be used to determine m, the number of stuffed animals Mariposa has

Let us solve eqn 1 and eqn 2

Substitute eqn 2 in eqn 1

5 + 2m + m = 32

5 + 3m = 32

3m = 32 - 5

3m = 27

<h3>m = 9</h3>

Substitute m = 9 in eqn 2

v = 5 + 2(9)

v = 5 + 18

<h3>v = 23</h3>

Thus number of stuffed animals Mariposa has is 9 and number of stuffed animals with Veronica is 23

5 0
3 years ago
A man travels 13.2 by train, 45.07 by bicycle, and 17.2 by car. How far did he 5 travel?​
Nuetrik [128]

Answer:

75.47

Step-by-step explanation:

<em>Hey there !!!!!</em>

<em>to, see how much did the man travel in total. you just add all of the distances that the man traveled.</em>

<em>he traveled:</em>

<em>13.2  by tairn</em>

<em>45.07 by bicycle </em>

<em>17.2 by car </em>

<em>if you add all of them up :</em>

<em>45.07 + 13.2 = 58.27 </em>

<em>58.27 + 17.2 = 75.47</em>

<em>have a wonderful day </em>

8 0
3 years ago
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Help plz !!!!!!!!!!!!!!!!! These are so hard
OlgaM077 [116]

Answer:

m=\frac{4}{9}

Step-by-step explanation:

Using the slope formula:

m=\frac{1+7}{10+8}=\frac{8}{18}=\frac{4}{9}

6 0
3 years ago
Help me please thank you
Arturiano [62]

Answer:Third one


Step-by-step explanation:


4 0
3 years ago
What is the second-order solution formula
fgiga [73]

Answer:

an equation involving the unknown function y, its derivatives y' and y'', and the variable x.

Step-by-step explanation:

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