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kvasek [131]
4 years ago
13

3x(x + 4) + 3(x + 4) = 0

Mathematics
1 answer:
zzz [600]4 years ago
8 0

answer

3x^{2}+15x+12=0

Step-by-step explanation:

equation: 3x(x + 4) + 3(x + 4) = 0

distribute 3x into your (x+4)

that'll give you : 3x^{2} +12x+3(x+4)=0

now distribute your 3 into your (x+4)

that'll give you 3x^{2} +12x+3x+12=0

now combine like terms and you'll end up with

3x^{2} +15x+12=0

hope this helps

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Ulleksa [173]
<h2>Options A, B and C are correct choices. :) !!</h2>

Step-by-step explanation:

We have been given that Mael 15 ml of bleach with 3.75 liters of water to make a sanitizing solution for a daycare.

Let us see our given options one by one to find which could be combinations of volumes of bleach and water for Mael's sanitizing solution.

Let us compare our given volume proportions with volume proportion of Mael's sanitizing solution.  

A. 12 ml bleach and 3 liters of water.

We can see that both proportions are equal, therefore, option A is a correct choice.

B. 6 ml bleach and 1.5 liters of water.

We can see that both proportions are equal, therefore, option B is a correct choice.

C. 3 ml bleach and 0.75 liters of water.

 

We can see that both proportions are equal, therefore, option C is a correct choice.

D. 20 ml bleach and 5.5 liters of water.

 

We can see that our both proportions are not equal, therefore, option D is not a correct choice

<h2>plz brainly me :)</h2>

8 0
3 years ago
Which of the following questions is not statistical?
lord [1]

Answer:

c.

Step-by-step explanation:

A statistical question has more than 1 answer! hope this helps

3 0
3 years ago
Read 2 more answers
What is the value of (Negative 14 Superscript 0 Baseline) Superscript negative 2? Negative StartFraction 1 Over 196 EndFraction
Nookie1986 [14]

Answer:

1

Step-by-step explanation:

Assuming, we want to find the value of ((-14)^0)^{-2}

Recall that: any non-zero number exponent zero is 1.

Using this property, we simplify our expression to (1)^{-2} since (-14)^0=1

Now using the property of exponents: a^{-n}=\frac{1}{a^n}

This implies that:1^{-1}=\frac{1}{1^2}=\frac{1}{1}=1

The correct answer is 1

5 0
4 years ago
Read 2 more answers
carol cut 2 1/2 inches off her hair three times last year. how much longer would her hair been if she had not cut it?
Ronch [10]
2.5 times three for the three years she didnt cut it would be 7.5 inches so in total her hair would have been 7 1/2 inches longer if she hadnt cut it.
8 0
3 years ago
Read 2 more answers
2) Aliyah had $24 to spend on seven pencils.
Nata [24]

Answer:

Step-by-step explanation:

she had $ 24 to spend on 7 pencils....and after buying them she had $ 10.

this means that the total of the pencils was (24 - 10) =  $14

and assuming each pencil cost the same price....

14/7 = $ 2 per pencil

or u can set it up as an equation

24 - 7x = 10....with x being the price of a pencil

24 - 10 = 7x

14 = 7x

14/7 = x

2 = x <==

6 0
4 years ago
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