3 years ago

Use a sales tax rate of 7%.Estimate the total cost for each item.a bicycle that costs $129

Mathematics

2 answers:

IRINA_888 [86]3 years ago

8 0

$138.03 because it’s sales tax so that means you have to pay that 7% also. So you would do 129+7% and get $138.03

svet-max [94.6K]3 years ago

6 0

Answer:

$138.03

Step-by-step explanation:

1.07*129 =138.03 represents an increase of 7%

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At the end of each year, how much money would you earn in interest if you invested $200 and earned 5.5% simple interest?

Alborosie

$\bf \qquad \textit{Simple Interest Earned}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$200\\
r=rate\to 5\%\to \frac{5}{100}\to &0.055\\
t=years\to &1
\end{cases}
\\\\\\
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3 years ago

What is the length of segment AB with point A and B located at (-4, 1) and (2, 9)

navik [9.2K]

Answer:

<h3>The answer is 10 units</h3>

Step-by-step explanation:

The distance between two points or a line segment can be found by using the formula

$d = \sqrt{ ({x1 - x2})^{2} + ({y1 - y2})^{2} } \\$

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-4, 1) and (2, 9)

The length of segment AB is

$|AB| = \sqrt{ ({ - 4 - 2})^{2} + ({1 - 9})^{2} } \\ = \sqrt{( { - 6})^{2} + ({ - 8})^{2} } \\ = \sqrt{36 + 64} \\ = \sqrt{100} \: \: \: \: \: \: \: \: \\ = 10 \: \: \: \: \: \: \: \: \: \: \: \: \: \:$