3 years ago

Here is my question

Mathematics

2 answers:

notka56 [123]3 years ago

7 0

Answer:

A and B

Step-by-step explanation:

Assoli18 [71]3 years ago

4 0

Answer:

A is correct

Step-by-step explanation:

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Write 4 feet to 15 inches as a ratio. Compare in inches. Write the ratio in lowest terms.

Alja [10]

1 ft = 12 inches....so 4 ft = (4 * 12) = 48 inches

ratio is : 48 to 15...or 48/15 or 48:15......which reduces to 16/5 in lowest terms

8 0

3 years ago

The cost of a pair of jeans was changed from $47 to $42.13. What was the percent change?

zhenek [66]

Answer:

10.36

Step-by-step explanation:

$47 - $42.13 = $4.87
($4.87 ÷ $47) × 100 = 10.36%

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3 years ago

10th term of an= 20-2n

Dmitry [639]

Answer:

We have that $a_{n} = 20-2n$

Step-by-step explanation:

We have just to replace n=10 on the general equation

$a_{10} = 20-2×10$

Therefore:

$a_{10} = 0$

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3 years ago

NEED HELPPPPP!!!!please

lbvjy [14]

Answer: A) 4.8 CM

Step-by-step explanation:

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2 years ago

What is the sum of the first eight terms of a geometric series whose first term is 3 and whose common ratio is .5 ?

ser-zykov [4K]

$\bf \qquad \textit{sum of a finite geometric sequence}
\\ \quad \\
 S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=\textit{last term}\\
a_1=\textit{first term}\\
r=\textit{common ratio}
\end{cases}
\\ \quad \\
S_8=3\left( \cfrac{1-0.5^8}{1-0.5} \right)$

7 0

3 years ago

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