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3 years ago

What can you do when the unit prices for two comparable items are listed using different units of measure?

Mathematics

1 answer:

shusha [124]3 years ago

4 0

Answer:

The unit prices are based on the cost of the whole package, so divide each base cost by each unit price to get comparable units.

Step-by-step explanation:

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Sally was the waitress at two tables. At the first table the bill came to $38.70 and the tip was 15%. At the second table the bi

rewona [7]

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hfill \stackrel{\textit{15\% of 38.70}}{\left( \cfrac{15}{100} \right)38.70}\implies \underline{5.805}~\hfill \stackrel{\textit{20\% of 33.45}}{\left( \cfrac{20}{100} \right)33.45}\implies \stackrel{\textit{larger}}{\underline{6.69}} \\\\\\ \stackrel{\textit{by how much?}}{6.69-5.805\implies 0.885}$

3 0

3 years ago

I’m having a hard time finding the answer, any help is appreciated (:

kogti [31]

Answer:

True.

Step-by-step explanation:

It fails the vertical line test. The vertical line test checks to see if any inputs (x values) have more than one output. In this case, they do.

3 0

3 years ago

Helppppppppppppp plzzzzzzzzzzzzzzzzzzzzzz

zhuklara [117]

Answer:

These parallel lines cross 1 line. Because they are parallel they will form the same angles on that line. Therefore, x+50 = 3x-100 since those angles are corresponding angles made by a pair of parallels.

To find x we need to find what value of x gives the same answer for 3x-100 and x+50 since those 2 angles are equal.

x+50 = 3x-100 - now all we need to do is solve for x:

x+50 = 3x-100

50=2x-100

150=2x

75=x

x=75

Step-by-step explanation:

6 0

3 years ago

Michael started a savings account with $100. After 6 weeks, he had $140, and after 12 weeks, he had $260. What is the rate of ch

ale4655 [162]

Answer:

Rate of change of money in Michael's account will be $20 per week.

Step-by-step explanation:

If we draw a graph for the duration of investment on x-axis and amount in the account on y-axis, ordered pairs for both the conditions will be,

After 6 weeks, amount in the account = $140

Ordered pair : (6, 140)

After 12 weeks, amount in the account = $260

Ordered pair : (12, 260)

Rate of change in hi account per week = $\frac{\triangle y}{\triangle x}$

= $\frac{260-140}{12-6}$

= $\frac{120}{6}$

= $20 per week

Therefore, rate of change of money in Michael's account will be $20 per week.

5 0

3 years ago

7.55 rounded to the first decimal place

lina2011 [118]

7.6
usually, if it's 5 or higher, you round up

6 0

3 years ago