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AlladinOne [14]
3 years ago
9

If the radius of a circle is 3m, what is the diameter?

Mathematics
1 answer:
Elan Coil [88]3 years ago
8 0

Answer:

d = 6

Step-by-step explanation:

We know that the radius is 3m and we need to find the diameter.

The formula for the diameter is d = 2r

Since the radius is 3, we can substitute r for 3.

d = 2(3)

d = 6

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3 years ago
Kylie explained that (negative 4 x + 9) squared will result in a difference of squares because (negative 4 x + 9) squared = (neg
Eva8 [605]

Given:

The given expression is:

(-4x+9)^2

According to Kylie,

(-4x+9)^2=(-4x)^2+(9)^2

(-4x+9)^2=16x^2+81

To find:

The correct statement for Kylie's explanation.

Solution:

We have,

(-4x+9)^2

According to the perfect square trinomial (a+b)^2=a^2+2ab+b^2.

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Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.

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4 0
3 years ago
Read 2 more answers
Write three expressions that are the equivalent of 5of 100, 000 , first as a numberthen in wordsfinally in scientific notation
disa [49]

Answer: 1) 500, 000

2) Five hundred thousand

3) 5\times10^5

Step-by-step explanation:

To express: 5 of 100, 000 in three expressions (First - number. second - word , third - scientific )

5 of 100, 000 = 5 x 100, 000 = <u>500, 000</u>

In word -<u> Five hundred thousand</u> [ as place value of 5 =  hundred thousand]

In scientific notation, 500, 000=5\times10^5

Hence, the required expressions:

1) 500, 000

2) Five hundred thousand

3) 5\times10^5

4 0
3 years ago
What is the equation of a line passing through the point (-3,5) and has a slope of -6
IceJOKER [234]

Answer:

y = -6x — 13

Step-by-step explanation:

use y = mx + b equation and plug in what you know.

5 = -6(-3) + b —> solve for b

b = -13 —> plug in what you know into y=mx+b

ANSWER: y = -6x — 13

3 0
3 years ago
Please Help!
borishaifa [10]

Answer:

Both triangles have acute angles

8 0
3 years ago
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