3 years ago

Math problem 8/3+(-9/4)

Mathematics

2 answers:

Amanda [17]3 years ago

3 0

Answer:

$\frac{5}{12}$

Step-by-step explanation:

torisob [31]3 years ago

3 0

Answer: =5/12

Step-by-step explanation: Hope this help :D

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Step-by-step explanation:

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2 years ago

A scale drawing has a scale of 1/4in:12ft. Find the length on the drawing for each actual length. 15 ft.

leonid [27]

So the ratio is at ¼ : 12, namely the drawing has ¼ inch to an actual 12 feet.

so, what would it be for an actual 15 feet on the drawing then?

$\bf \begin{array}{ccll}
\stackrel{inches}{drawing}&\stackrel{feet}{actual}\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
\frac{1}{4}&12\\\\
d&15
\end{array}\implies \cfrac{\quad \frac{1}{4}\quad }{d}=\cfrac{12}{15}\implies \cfrac{\quad \frac{1}{4}\quad }{\frac{d}{1}}=\cfrac{12}{15}
\\\\\\
\cfrac{1}{4}\cdot \cfrac{1}{d}=\cfrac{12}{15}\implies \cfrac{1}{4d}=\cfrac{12}{15}\implies 15=48d\implies \cfrac{15}{48}=d\implies \cfrac{5}{16}=d$

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3 years ago

Could someone tell me how i got this wrong

padilas [110]

Answer:

6t= 9

Step-by-step explanation:

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4 years ago

The scale in a drawing is 2 cm : 5 m. What are the length and width of the actual room? Find the area of the actual room. 10 cm

Radda [10]

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4 years ago

Math problem 8/3+(-9/4)​

Math problem 8/3+(-9/4)