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White raven [17]

3 years ago

13

What is the actual distance between Saugerties and Kingston? Scale: 1 in= 2.5 mi. They are 4 in apart. What is the distance in m

iles?

1 answer:

Romashka-Z-Leto [24]3 years ago

7 0

Answer:

that would be 10 miles

Step-by-step explanation:

1 = 2.5 MILES

4:x

2.5 x 4 = 10

if i am wrong please explain cause it might me being dumb or something else

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A triangle has sides with lengths of 9 kilometers, 12 kilometers, and 15 kilometers. Is it a right triangle?

rusak2 [61]

it is a right triangle i am positive

6 0

3 years ago

Please help me with these two math problems that I do not quite understand. This is urgent!

g100num [7]

Answer:

1) $a_{n}=a_{1}+(n-1)d\Rightarrow a_{n}=-1-2(n-1)\\a_{2}=-1-2(2-1)\Rightarrow a_{2}=-3\\a_{3}=-1-2(3-1)\Rightarrow a_{3}=-5\\(...)\\a_{10}=-1-2(10-1)=-19$

2) $a_{10}=4+8(10-1)\Rightarrow a_{10}=76$

Step-by-step explanation:

1) To write an Arithmetic Sequence, as an Explicit Term, is to write a general formula to find any term for this sequence following this pattern:

$a_{n}=a_{1}+d(n-1)\Rightarrow \left\{\begin{matrix}a_{n}=n^{th}\: term\\a_1=1st \: term \\d=\: difference\\n=n^{th}\, term\end{matrix}\right.$

<em>"Write an explicit formula for each explicit formula A(n)=-1+(n-1)(-2)"</em>

This isn't quite clear. So, assuming you meant

Write an explicit formula for each term of this sequence A(n)=-1+(n-1)(-2)

As this A(n)=-1+(n-1)(-2) is already an Explicit Formula, since it is given the first term $a_{1}=-1$ the common difference $d=-2$ let's find some terms of this Sequence through this Explicit Formula:

$a_{n}=a_{1}+(n-1)d\Rightarrow a_{n}=-1-2(n-1)\\a_{2}=-1-2(2-1)\Rightarrow a_{2}=-3\\a_{3}=-1-2(3-1)\Rightarrow a_{3}=-5\\(...)\\a_{10}=-1-2(10-1)=-19$

2) $(4,12,20,28, ..)$ In this Arithmetic Sequence the common difference is 8, the first term value is 4.

Then, just plug in the first term and the common difference into the explicit formula:

$a_{10}=4+8(10-1)\Rightarrow a_{10}=76$

6 0

3 years ago

PLEASE HELP ASAP! Will give brainliest for best answer!

ivanzaharov [21]

Answer:

J

Step-by-step explanation:

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mylen [45]

7,175,000,000 = 7.175 x 10^9

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4 years ago

What expression can be used to find 7(6 1/8)

9966 [12]

Answer:

42 7/8

Step-by-step explanation:

7(6 1/8)

~Turn the 7 into a fraction and the other fraction into an improper one

7/1 * 49/8

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3 years ago