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amm1812
3 years ago
8

What do rigid motions preserve

Mathematics
1 answer:
Artist 52 [7]3 years ago
3 0
A, size and shape. hope it’s right and helps ya.
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A paper has an area of 598 square centimeters. What is the paper's area in square inches?
andrezito [222]

Answer:

Step-by-step explanation:

1 in²=6.45 cm²

598 cm²=x in²

  1 in²            x in²

______ = _______

6.45cm²       598cm²

Cross multiply

6.45x=598

divide both sides by 6.45

x=92.7 in²

Answer=92.7 in²

7 0
3 years ago
Read 2 more answers
Several terms of a sequence {an}n=1 infinity are given. A. Find the next two terms of the sequence. B. Find a recurrence relatio
s344n2d4d5 [400]

Answer:

A)\frac{1}{1024},\frac{1}{4096}

B) \left\{\begin{matrix}a(1)=1 & \\ a(n)=a(n-1)*\frac{1}{4} &\:for\:n=1,2,3,4,... \end{matrix}\right.

C) \\a_{n}=nq^{n-1} \:for\:n=1,2,3,4,...

Step-by-step explanation:

1) Incomplete question. So completing the several terms:\left \{a_{n}\right \}_{n=1}^{\infty}=\left \{ 1,\frac{1}{4},\frac{1}{16},\frac{1}{64},\frac{1}{256},... \right \}

We can realize this a Geometric sequence, with the ratio equal to:

q=\frac{1}{4}

A) To find the next two terms of this sequence, simply follow multiplying the 5th term by the ratio (q):

\frac{1}{256}*\mathbf{\frac{1}{4}}=\frac{1}{1024}\\\\\frac{1}{1024}*\mathbf{\frac{1}{4}}=\frac{1}{4096}\\\\\left \{ 1,\frac{1}{4},\frac{1}{16},\frac{1}{64},\frac{1}{256},\mathbf{\frac{1}{1024},\frac{1}{4096}}\right \}

B) To find a recurrence a relation, is to write it a function based on the last value. So that, the function relates to the last value.

\left\{\begin{matrix}a(1)=1 & \\ a(n)=a(n-1)*\frac{1}{4} &\:for\:n=1,2,3,4,... \end{matrix}\right.

C) The explicit formula, is one valid for any value since we have the first one to find any term of the Geometric Sequence, therefore:

\\a_{n}=nq^{n-1} \:for\:n=1,2,3,4,...

6 0
3 years ago
Help for a friend? They don't have an account so I am asking for them. Please answer fast!
sveta [45]

Answer:

A. 7*5 + 4^2 - 2^3 / 4 = 35 + 16 - 8 / 4 = 35 + 16 - 2 = 49

B. The statement of seven times five plus four squared minus 2 cubed divided by 4 is equal to 49. (or whatever your friend's teacher wants when they ask for a complete sentence).

C. PEMDAS - parentheses, exponents, multiplication, division, addition, subtraction

Note:

When remembering PEMDAS, please remember that multiplication actually isn't prioritized over division - they should be performed "simultaneously" from left to right. Same with addition and subtraction. The order is: P -> E -> MD -> AS.

4 0
1 year ago
Combine these radicals.A rectangle has an area of (x2 − 17x + 72) square units. Since the area of a rectangle is determined usin
Ilya [14]
X2 - 17x + 72

=(x - 9)(x - 8)

if x = 20  the length of the rectangle is 12 units and width 11 units.
6 0
3 years ago
Read 2 more answers
The expression 3(x-9) is equivalent to (Look at picture for answer choices)
Vaselesa [24]

Answer:

The last one

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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