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Anni [7]
3 years ago
14

In factoring by grouping, what would you have for step 3 for the following?

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
8 0

Answer:

Factor out the x+5

 (x+5)(x^2+4)

Step-by-step explanation:

Step 1: x^3 +5x^2 +4x+20

Step 2: x^2 (x+5)+4(x+5)

Step 3:   Factor out the x+5

 (x+5)(x^2+4)


solong [7]3 years ago
6 0

Answer:

Step 3: (x^2 + 4)(x + 5)


Step-by-step explanation:

Step 1: x^3 +5x^2 + 4x+20

Step 2: x^2 (x+5) + 4(x+5)

Step 3: (x^2 + 4)(x + 5)

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Corey flying a kite with 105 meters of string.His string makes an angle of 42 degrees with the level ground. How high is the kit
mafiozo [28]

<u>Given</u>:

Given that Corey is flying a kite with 105 meters of string.

The string makes an angle of 42° with the ground level.

We need to determine the height of the kite.

<u>Height of the kite: </u>

The height of the kite can be determined using the trigonometric ratio.

Thus, we have;

 sin \ \theta=\frac{opp}{hyp}

From the given data, the values are  \theta=42^{\circ}, opp = h (height of the kite) and hyp = 105 meters.

Substituting the values, we get;

sin \ 42=\frac{h}{105}

Multiplying both sides of the equation by 105, we get;

sin \ 42 \times 105=h

0.669 \times 105=h

        70.245=h

Rounding off to the nearest meter, we get;

h=70

Thus, the height of the kite is 70 meters.

8 0
3 years ago
The population of Maricopa County has been increasing for the past few decades. In 2016, the Maricopa County population is appro
maria [59]

Answer: 3,965,481

Step-by-step explanation:

Given:  In 2016, the Maricopa County population is approximately 3.817 million.

i.e. Initial population= 3.817 million =3,817,000

Of the population increases from the current population by 3.89 % over the next 5 years,

Population increased = 3.89% of 3,817,000

= 0.0389 (3817000)

= 148481.3 ≈ 148481

Population in 2021= 3,817,000 +148,481 =3,965,481

Hence, the population in 2021 =  3,965,481

3 0
2 years ago
Asanji spent half of his weekly allowance at the movies to earn more money his parents let him wash the car for $8 what is his w
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$20 dollars if you start with $18 and subtract what his parents gave him its $10 then double it so $20 is the answer
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3 years ago
What is the value of the following expression? <br> 7+18/(6-3)
daser333 [38]
7+18/(6-3)
7+18/3
25/3=8.333
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2 years ago
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