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2 years ago

1721 to 1 significant figure 1975 to 2 significant figure76.71 to 1 decimal point

2 answers:

7 0

If you need it rounded, it would be 2 then 20 then 76.1. If you just need the base numbers, it would be 1 then 19 then 76.7

Angelina_Jolie [31]2 years ago

5 0

1.) 2000
2.) 2000
3.) 76.8

1 significant figure just means one number that isn’t a 0

2 significant figures just means 2 numbers that aren’t 0s

1 decimal point just means that after the decimals there’s only one number

Hope this helps :D

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Please someone help me with number 21 part A

Vinvika [58]

Because since 17 can only be multiplied by it's self and one that's what the box is showing

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3 years ago

Is 33,44,55 a right triangle?

Paul [167]

Answer:

Yes!

Step-by-step explanation:

We know that right triangles follow the Pythagorean Theorem, where

$a^{2} + b^{2} = c^{2}$

So we will put our side lengths into this formula, keeping in mind that c = the hypotenuse, which is the longest side. a and b are fairly arbitrary.

$33^{2} + 44^{2} = 55^{2}$

If this works, we know it's a right triangle.

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It worked! It's a right triangle!!

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2 years ago

Read 2 more answers

A convex polygon has Choose...<br> sides when the interior angle sum is 1980º.

Viefleur [7K]

Answer:

13 sides.

Step-by-step explanation:

(n - 2) = 1980 / 180 = 11.

n = 13

When the sum of the interior angles is 1980 degrees, the convex polygon will have 13 sides.

i hope this helps and is right! p.s. i really need brainliest :)

3 0

2 years ago

Complete the recursive formula of the geometric sequence -0.56\,,-5.6\,,-56\,,-560,...−0.56,−5.6,−56,−560,...Minus, 0, point, 56

pentagon [3]

Answer:

The recursive formula is:

Cn = 10C(n-1)

Step-by-step explanation:

Given the geometric sequence.

-0.56, -5.6, -56, -560, ...

The common ratio is

-5.6/-0.56 = -56/-5.6 = -560/-56 = ... = 10

The recursive formula is easily

Cn = C(n-1) × 10

That is a number is ten times the preceding number.

7 0

3 years ago

The temperature of a pot of hot water is 200.5. The temperature of the water decreases 3.5 per minute. What is the temperature o

irina1246 [14]

Answer:

The temperature of the liquid 15 minutes later is $151.5$

Step-by-step explanation:

This is an example of arithmetic progression

We need to find 15 th term

Here

$a=200.5\\\\d=-3.5\\\\t_{15}=200.5+(15-1)\times-3.5\\\\=151.5$

3 0

2 years ago

1721 to 1 significant figure 1975 to 2 significant figure76.71 to 1 decimal point​

1721 to 1 significant figure 1975 to 2 significant figure76.71 to 1 decimal point