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PilotLPTM [1.2K]
2 years ago
5

Can someone help me with this question. I’m confused

Mathematics
1 answer:
Varvara68 [4.7K]2 years ago
5 0

9514 1404 393

Answer:

  $3.36

Step-by-step explanation:

The amount of tax is the product of the price and the tax rate.

  tax = $42.00 × 8%

Some calculators and all spreadsheets can calculate this directly. If yours cannot, you can use the decimal equivalent of 8%.

  tax = 42.00 × 0.08 = 3.36 . . . . dollars

The tax Jack will pay is $3.36.

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Which equation represents a line which is perpendicular to the line y = -x + 8?
natima [27]

Two lines are perpendicular between each other if their slopes fulfills the following property

m_1m_2=-1

where m1 and m2 represents the slopes of line 1 an 2, respectively.

To find the slope of a line we can write it in the form slope-intercept form

y=mx+b

Our original line is

y=-\frac{1}{8}x+8

Then its slope is

m_1=-\frac{1}{8}

Now we have to find the slope of the second line. Using the first property,

\begin{gathered} m_1m_2=-1_{} \\ -\frac{1}{8}m_2=-1_{} \\ m_2=(-1)(-8) \\ m_2=8 \end{gathered}

Then the second line has to have a slope of 8.

The options given to us are:

\begin{gathered} x+8y=8 \\ x-8y=-56 \\ 8x+y=5 \\ y-8x=4 \end{gathered}

Then we have to determine which of these options have a slope of 8. To do that we write them in the slope-intercept form:

\begin{gathered} x+8y=8\rightarrow y=-\frac{1}{8}x+1 \\ x-8y=-56\rightarrow y=\frac{1}{8}x+7 \\ 8x+y=5\rightarrow y=-8x+5 \\ y-8x=4\rightarrow y=8x+4 \end{gathered}

Once we have the options in the right form, we note that the only one of them that has a slope of 8 is the last one.

Then the line perpendicular to the original one is

y-8x=4

8 0
11 months ago
In an office, there are 75 women and 125 men .Find the ratio of
schepotkina [342]

Given:

In an office, there are 75 women and 125 men.

To find:

The ratio of the number of men to the number of women.

Solution:

We have,

Number of men = 125

Number of women = 75

The ratio of the number of men to the number of women is:

\text{Required Ratio}=\dfrac{\text{Number of men}}{\text{Number of women}}

\text{Required Ratio}=\dfrac{125}{75}

\text{Required Ratio}=\dfrac{5}{3}

\text{Required Ratio}=5:3

Therefore, the ratio of the number of men to the number of women is 5:3.

4 0
2 years ago
Hi i answered someone's question but I want to remove it how?
yawa3891 [41]

Answer:

you cant unless it gets reported and brainly people take it down

Step-by-step explanation:

3 0
2 years ago
Order the following numbers from least to greatest.​
IRISSAK [1]
-18/8, /5, 3pi/4, 2.5
8 0
2 years ago
I have no clue what the answer to this problem is. Please help!!
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What is the question ?
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