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andrezito [222]
3 years ago
15

Stephanie bought a pair of earrings for $3.25 and a necklace for 5.25. The tax rate is %8. What is the total cost including tax?

Mathematics
2 answers:
Roman55 [17]3 years ago
6 0

Answer:

9.56? sorry if it is wrong <3

Step-by-step explanation:

Talja [164]3 years ago
3 0
I also think the answer is what the person on top put
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If we take 1200 as the 100%, how much percentage is 700 of it?

well \bf \begin{array}{ccllll}&#10;amount&\%\\&#10;\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\&#10;1200&100\\&#10;700&x&#10;\end{array}\implies \cfrac{1200}{700}=\cfrac{100}{x}\implies x=\cfrac{700\cdot 100}{1200}&#10;\\\\\\&#10;x=\cfrac{175}{3}

so, (175/3)% or roughly 58.3%

now, how much is (175/3)% of 15000 ?
well, if we take 15000 as the 100%
then   \bf \begin{array}{ccllll}&#10;amount&\%\\&#10;\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\&#10;15000&100\\&#10;x&\frac{175}{3}&#10;\end{array}\implies \cfrac{15000}{x}=\cfrac{100}{\frac{175}{3}}&#10;\\\\\\&#10;\cfrac{15000\cdot \frac{175}{3}}{100}=x\implies \cfrac{5000\cdot 175}{100}=x
6 0
3 years ago
If the angle of elevation of the sun is 61.7° when a building casts a shadow of 56.5 feet, what is the height of the building ro
maksim [4K]

SOLUTION

Let us use a simple diagram to interprete the question

In the diagram above, the dark stuff below represents the shadow and the rectangular bar represents the building. I have labelled the height of the building as h.

So we will use the right-angled triangle formed to find h

As we can see h represents the opposite side and 56.5 feet represents the adjacent side of the right-angle triangle. So we will use TOA

\text{TOA tan }\theta=\frac{opposite}{\text{adjacent}}

So we have

\begin{gathered} \text{ tan }\theta=\frac{opposite}{\text{adjacent}} \\ \text{ tan }61.7\degree=\frac{h}{56.5} \\ 1.8572015=\frac{h}{56.5} \\ \text{cross multiplying, we have } \\ h=1.8572015\times56.5 \\ h=104.931887 \end{gathered}

Hence the answer is 104.9 feet to the nearest tenth

4 0
1 year ago
Which expression is equivalent to 10x - (8x +3)
Verdich [7]

Answer:

you forgot to add the options of the answer

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3 years ago
Find the sum<br> −1/2(7z+4)+15(5z−15)
sattari [20]

Answer: \frac{143x - 453}{2}

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A group incoming first-year students at Major University were surveyed in order to determine the factors that influenced their d
Ray Of Light [21]

Answer:

Step-by-step explanation:

This is a problem of SETS.

Start by listing out important data:

1. Total that said F = 55

2. Total that said P = 51

3. Total that said O = 61

4. F only = 9

5. F ∩ P ∩ O = 26 [NOTE: If you were to draw a Venn Diagram, 26 would be in the innermost circle because it comprises all three categories]

6. F ∩ P = 31

7. P only = 8

8. Students that said none of the 3 reasons = 4

QUESTIONS

1. How many said O and P? In other words, find the intersect of O and P. Find O ∩ P

2. How many said either F or O? [Answer to be gotten using a venn diagram] Find F ∪ P which translates to "F union P"

3. How many said F without saying P? [Answer to be gotten from the venn diagram as well]

4. How many students in total were surveyed? [HINT: Remember to include the 4 students that had none of the three options]

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3 years ago
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