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3 years ago

Write the name of this property 42+0 = 42

2 answers:

8 0

This is the Identity property of addition. anything+0=that same number
Since adding 0 to a number still makes it the same number, its "identity" is still the same, thus the name.

artcher [175]3 years ago

8 0

That is the identiy Property of additon

anthing times 0 is the same number

hope this helps :)

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What is the point-slope form of a line that has a slope of 3 and passes through the point (-1, 4)?

Keith_Richards [23]

Answer:

Step-by-step explanation:

hello :

the point-slope formula is :

y - y_1 = m(x - x_1) the point is A(x_1 , y_1 ) , m : the slope

in this exercice : x_1 = -1 y_1 = 4 m = 3

so : y - 4 = 3(x +1) ...an equation for this line .

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3 years ago

Read 2 more answers

jenyasd209 [6]

Answer:

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2 years ago

What is -4=r/20-5? <br> Is it r=20

castortr0y [4]

Answer:

r = 20

Step-by-step explanation:

-4 = r/20 - 5

-4 + 5 = r/20 - 5 + 5

1 = r/20

1 * 20 = r/20 * 20

r = 20

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3 years ago

Evaluate the expression when x = 5<br> Am I correct? Is 5 the answer? I’m confused.

mixas84 [53]

The answer is negative 5

7 0

3 years ago

Select all the pairs of equivalent expressions.

iren2701 [21]

Answer:

$\huge\boxed{(3^4)^4=3^8\cdot3^8}\\\boxed{4^3\cdot5^3=20^3}\\\boxed{(4^3)^3=4^3\cdot4^3\cdo4^3}$

Step-by-step explanation:

$a^n\cdot a^n=a^{n+m}\\\\(a^n)^m=a^{n\cdot m}\\\\(a\cdot b)^n=a^n\cdot b^n\\=====================$

$(4^3)^3=4^{3\cdot3}=4^9\\4^3\cdot4^3=4^{3+3}=4^6\\\\4^9\neq4^6\to(4^3)^3\neq4^3\cdot4^3\\==================$

$(3^4)^4=3^{4\cdot4}=3^{16}\\3^8\cdot3^8=3^{8+8}=3^{16}\\\\(3^4)^4=3^8\cdot3^8\\================$

$6^4\cdot3^4=(6\cdot3)^4=18^4\\\\18^4\neq18^8\to6^4\cdot3^4\neq18^8\\=================$

$4^3\cdot5^3=(4\cdot5)^3=20^3\\\\4^3\cdot5^3=20^3\\=================$

$(4^3)^3=4^{3\cdot3}=4^9\\4^3\cdot4^3\cdot4^3=4^{3+3+3}=4^9\\\\(4^3)^3=4^3\cdot4^3\cdot4^3$

3 0

3 years ago