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ArbitrLikvidat [17]

3 years ago

11

at a breakfast diner a cup of coffee costs $2.75 and a muffin is $3.25. What is the sales tax on the two items if the rate was i

s 7.5%

1 answer:

sdas [7]3 years ago

7 0

Answer:$0.45

Step-by-step explanation:

Multiply 2.75 by .075 then multiply 3.25 by .075 and add them together

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Question 6 of 9 (3•8) • 1 = 3 • (8.1) O A. True B. False

olga nikolaevna [1]

Answer:

No, (false). The question I assume was: $(3*8)*1=3*(8.1)$

Step-by-step explanation:

1. Multiple: 3 * 8 = 24

2. Multiple: <em><u>The result of step No. 1:</u></em> * 1 = 24 * 1 = 24

3. Conversion a decimal number to a fraction: 8.1 = $\frac{81}{10}$ = $\frac{81}{10}$

a) Write down the decimal 8.1 divided by 1: 8.1 = $\frac{81}{1}$

b) Multiply both top and bottom by 10 for every number after the

decimal point. (For example, if there are two numbers after the decimal

point, then use 100, if there are three then use 1000, etc.)

$\frac{8.1}{1}$ = $\frac{81}{10}$

Note: $\frac{81}{10}$ is called a decimal fraction.

c) Simplify and reduce the fraction

$\frac{81}{10} = \frac{81*1}{10*1} = \frac{81}{10}$

4. Multiple: 3 * 8.1 = $\frac{3*81}{1*10}$ = $\frac{243}{10}$

Multiply both numerators and denominators. Result fraction keep to lowest

possible denominator GCD(243, 10) = 1. In the next intermediate step the

fraction result cannot be further simplified by canceling.

In words - three multiplied by eighty-one tenths = two hundred forty-three

tenths.

5. Compare: <em><u>The result of step No. 2 </u></em>vs <em><u>The result of step No. 4</u></em>: = 24 vs $\frac{243}{10}$ = $\frac{24}{1}$ vs $\frac{243}{10}$ = $\frac{24*10}{1*10}$ vs $\frac{243}{10}$ = $\frac{240}{10}$ vs $\frac{243}{10}$ = 240 vs 243 = No

5 0

4 years ago

How much is The cost per ticket it $7.50 for five tickets

Angelina_Jolie [31]

Answer:37.50

Step-by-step explanation:first multiply the numbers 7.50•5

3 0

3 years ago

Given that 196k is a perfect cube , find the smallest possible value of k

kaheart [24]

Factor 196k
196k=2*2*7*7*k
we need to get something like x^3
hmm
we right now have
(2*7)^2
if we multiply that by (2*7)^1, we can beg (2*7)^3,
therefor k=2*7=14

tha tnumber is 14

or

if k can be any number
k can be 1/196, to make it 1, and 1 is a perfect cube

or

my bro had an epic idea: what if k is negative
the cube root of a negative number is negative
so the smallest one would be negative infinity or something

I think the answer you're looking for is k=14

3 0

4 years ago

What is the %_ee of a sample of carvone that exhibits an observed rotation of -20, given that the specific rotation of (R)-carvo

ELEN [110]

Answer: 44

Step-by-step explanation:

44

4 0

3 years ago

Pls help 3rd questoin

Elena L [17]

Answer: A

Step-by-step explanation: Milligram to Centigram

Hope it helped u,

pls mark as the brainliest

^_^

5 0

3 years ago

Read 2 more answers