3 years ago

Using a factor tree, find all prime factors of 210

Mathematics

1 answer:

Vanyuwa [196]3 years ago

8 0

The answer is 2,3,5,7

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A dolphin swims 665,280 feet in 3 hours. Use the formula d = rt, where d represents distance, r represents rate, and t represent

liraira [26]

Answer:

Answers Below

Step-by-step explanation:

Part A:

r=d/t

Part B:

r=665280/3

r=221760

Part C:

221760/5280 = 42mph

Part D: Miles per Hour, because it is easier to understand

6 0

3 years ago

Anyone know how to do this?¿?¿

vichka [17]

0.65 x 40 = 26
So the answer is 26 pounds.

7 0

3 years ago

Read 2 more answers

Please include work!

aleksandrvk [35]

Answer:

A) y = x^2 -1

B) -y = 2x^2 +1 We multiply B) by -1

B) y = -2x^2 -1

We can then say x^2 -1 = -2x^2 -1

3 x^2 = 0

x = 0

************* Double-Check: ******************

Equation A) y = -1 and

Equation B) y = -1

Step-by-step explanation:

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4 years ago

X is at most 3o correct answer x<30 or x is less than 30

Alina [70]

X<span> ≤30
hope this helped</span>

6 0

3 years ago

Convert y + 3 = -3(x + 5) to standard form.

emmasim [6.3K]

Hi there!

$y + 3 = - 3(x + 5)$
First we need to work out the parenthesis, which can for instance be done using rainbow technique.

$y + 3 = - 3x - 15$
Now subtract 3 from both sides.

$y = - 3x - 18$
And finally add 3x to both sides.

$3x + y = - 18$
The 4th answer choice is correct.

6 0

4 years ago