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Scrat [10]
3 years ago
9

Evaluate a + 4 a+4a, plus, 4 when a = 7 a=7a, equals, 7.

Mathematics
1 answer:
Scilla [17]3 years ago
4 0

<em>When evaluating a=7 then we get that the expression is 11</em>

<h2>Explanation:</h2>

As I understand the expression is the following:

a+4

Let's call, that expression as E

So we are asked to find the value of the expression when a=7. In other words, we need to substitute a=7, so:

E(7)=(7)+4 \\ \\ E(7)=11

So <em>when evaluating a=7 then we get that the expression is 11</em>

<h2>Learn more:</h2>

Distributive property: brainly.com/question/10794694

#LarnWithBrainly

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X +5+11x=12x+Y It says find the value of y that makes each equation true for all values of
sladkih [1.3K]
X + 5 + 11x = 12x + y

Simplify: 12x + 5 = 12x + y (We are adding x and 11x on the left side)

Subtract 12x from each side makes each zero.

5 = y

So we can plug in and test. I'm picking two random numbers to plug in for x. 10, and 82

x = 10, y = 5
10 + 5 + 11(10) = 12(10) + 5
125 = 125

x = 82, y = 5
82 + 5 + 11(82) = 12(82) + 5
989 = 989

So we verified y = 5
3 0
3 years ago
Can you please help me​
Slav-nsk [51]

Answer:

C.

Step-by-step explanation:

Hi there!

To answer this, we must set it up as

3x(2x^4-12x^2+7)

Now we just use the distributive property to solve.

this becomes 6x^5-36x^3+21x

I hope this helps!

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Step-by-step explanation:idk fr

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If 2x^3=y, then log y equals
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Step-by-step explanation:

log 2x^3

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