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Lelu [443]
3 years ago
5

Mikel gave a $1.32 tip for an order that cost $8.80

Mathematics
1 answer:
notsponge [240]3 years ago
7 0

Answer:

1. Proportional

2. Not proportional

3. Not proportional

Step-by-step explanation:

Let's see what percentage of the $8.80 order is the $1.32 tip.

To find what percent a p[art is of a whole, divide the part by the whole and multiply by 100%.

$1.32/$8.80 * 100% = 15%

Mike's tip was $15% of the total.

1. $2.22 tip on $14.80 order

15% of $14.80 = 0.15 * $14.80 = $2.22

Tip is proportional

2. $1.86 tip on $10.50 order

15% of $10.50 = 0.15 * $10.50 = $1.58

Tip is nor proportional

3. Same as option 2 above.

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Answer:

Domain: (−∞,∞)

Range: (−∞,∞)

Step-by-step explanation:

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8 0
3 years ago
8 times the sum of a number and 26 is less than 304.
Jlenok [28]

Answer:

x < 12

Step-by-step explanation:

So 8 times the sum of a number and 26 is less than 304. To find the number, lets write a equation where the "number" is x.
8 times the sum of a number and 26 can be written as 8 * x+26, however since the sum of x and 26 are being multiplied, we write this as 8(x+26). Since 8 times the sum of a number and 26 is less than 304, we set 8(x+26) to < 304. This gives us our equation:

8(x+26) < 304

Lets start to solve for x by dividing by 8, giving us:

x+26 < 38

Now lets isolate x by subtracting 26 from both sides, which gives us our answer:

x < 12

So x is less than 12.

Hope this helps!

7 0
1 year ago
You are planning to invest $500 at 12% compounded annually. How much money would you have after 10 , 20 and 30 years?
Serjik [45]

A=P(1+r)^t

where A=final amount

P=principal

r=rate in decimal form

t=time in years


we are given that P=500, r=12%=0.12

we want to find A when t=10, 20, and 30


so

A=500(1+0.12)^t

A=500(1.12)^t

when t=10, A=500(1.12)^{10}=$1552.92

when t=20, A=500(1.12)^{20}=$4823.15

when t=30, A=500(1.12)^{30}=$14980.96

7 0
3 years ago
Read 2 more answers
Judy simplified the expression (3x+1)(x-3) -( 2-2x^2-3x)
Umnica [9.8K]
It's the 3rd optionnn
3 0
2 years ago
Abby is adopting kittens from the pet store. if there are 18 kittens, how many ways can she choose 2 kittens? **the answer isnt
Arturiano [62]

Answer:

153 ways.

Step-by-step explanation:

The answer is the number of combinations of 2 from 18

= 18! / 2! (18-2)!

= 18! / 2! 16!

= 18*17*16! / 2! 16!

= 18 * 17 / 2*1

= 9 * 17

= 153 ways.

7 0
4 years ago
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