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densk [106]
3 years ago
10

Whats the expression y^2+7y+12

Mathematics
1 answer:
goblinko [34]3 years ago
5 0
We can find the value of y in the expression y<span>² + 7y + 12 by factorising.


Make the expression equal to zero.

y</span><span>² + 7y + 12 = 0


Factorise.

(y + 3)(y + 4) = 0


So either (y + 3) = 0 or (y + 4) = 0


When (y + 3) = 0, y would be -3.

When (y + 4) = 0, y would be -4.</span>
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3 years ago
Solve -1/2 + (3/4 times 4/9)
kakasveta [241]

Answer:

-1/6

Step-by-step explanation:

-1/2 + (3/4 * 4/9)

Parentheses first

Rewriting

-1/2 +(3/9 *4/4)

-1/2 +(1/3)

Getting a common denominator of 6

-1/2 *3/3 + 1/3 *2/2

-3/6 +2/6

-1/6

4 0
3 years ago
Read 2 more answers
Plz help I need your help plz help me plz I swear I need your help plz help me plz I’m begging you on my 2 knees plz help me
REY [17]

Answer:

The correct answer is B

Step-by-step explanation:

First, the question said that the shoes were $15 less than double the price of his pants. In algebra 2p would mean 2 multiplied by p so we know that C and D are wrong. Now $15 less than 2p would mean you have to subtract by 15, so now we have 2p-15. Since we haven't added in the amount of money the pair of pants cost, we have to use addition to add it in, and that adds to the equation making the equation 2p - 15 + p. So, the answer is B.

6 0
3 years ago
TRY IT
andrey2020 [161]

Answer:

One possible solution is 5 + i√3.

(there are 2 solutions 5 + i√3 and 5 - i√3).

Step-by-step explanation:

(x - 5)^2 + 5 = 2

(x - 5)^2  = -3

Take square roots of both sides:

x - 5 = √-3

x - 5 = i√3

x = 5 ±  i√3.

The solutions are both complex numbers.

3 0
3 years ago
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daser333 [38]
Ummmmnm...... the answer is 4a^8 b^3

I solved this like.....
12a^3 b^5 divide by 3 x a^5 b^-2
Calculate the quotient
4a^3 b^5 a^5 b^-2
Calculate the product
4a^8 b^3
And yea that’s how I got my answer :)
3 0
3 years ago
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