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spayn [35]
3 years ago
11

Find the greatest common factor of 27, 9, and 45.

Mathematics
2 answers:
Musya8 [376]3 years ago
5 0

Answer:

There are 3 common factors of 27 and 45, that are 1, 3, and 9. Therefore, the greatest common factor of 27 and 45 is 9.

Step-by-step explanation:

hope this helps

Anna [14]3 years ago
3 0

Answer:

9

Step-by-step explanation:

hope that this is helpful.

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I need some help with this rational equation. It's supposed to = -1, but for some strange reason I keep getting x^2 +2x = -1.
Rasek [7]

This one is so easy that your brain refuses to accept it.
It's looking for a harder answer, but can't find it !

You're totally correct, as far you went.     x² + 2x does = -1

Now add ' 1 ' to each side:     x² + 2x + 1 = 0

Can you factor that quadratic ?
Can you mash it through the quadratic formula ?

Actually, it's the simplest possible perfect square.

                                       x² + 2x + 1  =  (x + 1)²

So the solutions of     x² + 2x + 1 = 0  are both   x = -1 .

Don't say anything.
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7 0
3 years ago
A ferris wheel can accommodate 40 people in 30 minutes. How many people could ride the ferris wheel in 3 hours? What was that ra
andrew-mc [135]
240 people could ride it in 3 hours. The rate per hour is 80 people.


3 0
3 years ago
Find the measure of 41.<br> s<br> 839<br> 41<br> 41 = [?]
Mila [183]

<1=97°

steps:

<1+83=180 co interior angle

<1=180-83=97°

5 0
3 years ago
A vertical pole 5 feet long casts a shadow of 2 feet.if at the same time a nearby tree casts a shadow of 10 feet, how tall is th
ohaa [14]
We use the proportion for this case the pole and the tree with their shadows has the same shape forming a right triangle.
We use the ratio of the two triangles and equate them as

h1/s1 = h2/s2

where
h1 and s1 are the height and the length of a shadow of the pole,
and the other h2 and s2 are for the tree

Identify all the given values.
5 ft / 2 ft = (h2) / 10 ft
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7 0
3 years ago
PLEASE HELP GUYS !!!
crimeas [40]

Answer:

y = -3/2x + 3

y = x + 1

y = 5/4x - 2

4 0
2 years ago
Read 2 more answers
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