2 years ago

I’m thinking trapezoid and rhombus but I don’t know

Mathematics

1 answer:

nevsk [136]2 years ago

4 0

It’s a parallelogram for sure

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10/17 = d/51 solve for D

BabaBlast [244]

The answer is 30. You just multiply 51 by (10/17)

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3 years ago

Identify the dependent and independent variables in each situation.

klemol [59]

A. independent (x) - expenses, dependent (y) - total cost
B. independent (x) - area, dependent (y) - price
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Rewrite this decimal 4.5 as a mixed fraction in its lowest term.

Crazy boy [7]

Answer:

4.5=4 and 1/2

Step-by-step explanation:

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3 years ago

Use an induction proof to prove this statement:<br> For n≥1, 4^n+5 is divisible by 3.

Tpy6a [65]

Answer:

See below

Step-by-step explanation:

We shall prove that for all $n\in\mathbb{N},3|(4^n+5)$ . This tells us that 3 divides 4^n+5 with a remainder of zero.

If we let $n=1$ , then we have $4^{1}+5=9$ , and evidently, $9|3$ .

Assume that $4^n+5$ is divisible by $3$ for $n=k, k\in\mathbb{N}$ . Then, by this assumption, $3|(4^n+5)\Rightarrow4^k+5=3m,\: m\in\mathbb{Z}$ .

Now, let $n=k+1$ . Then:

$4^{k+1}+5=4^k\cdot4+5\\=4^k(3+1)+5\\=3\cdot4^k+4^k+5\\=3\cdot4^k+3m\\=3(4^k+m)$

Since $3|(4^k+m)$ , we may conclude, by the axiom of induction, that the property holds for all $n\in\mathbb{N}$ .

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2 years ago

The radius of a regular decagon, a 10-sided figure, is 15 units. The length of one side of the polygon measures about 9.3 units.

Cerrena [4.2K]

Ia=5/2*9.3^2(5+2--5)
a=665.47unit ^2
which then means 663.1

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3 years ago

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