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mart [117]
4 years ago
11

Please help me with B, C, and D ,,,?,.,,,,,,,?,,,,,,

Mathematics
1 answer:
strojnjashka [21]4 years ago
8 0
B. 0.25 x 28 =7 and 0.25+28=28.25                                                               C. 0.75 x 8=6 and 0.75+8=8.75                                                                      D.3 x 0.75=2.25 and 3+0.75=3.75
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Factoring a quadratic with leading coefficient greater than 1 <br><br> 3n^2+5n+2=0
Alika [10]

The algebraic factor is the multiplication term that can be common to the whole equation thus the factorization form of 3n²+5n+2=0 will be (n + 1)(3n + 2) = 0.

<h3>What is an algebraic factor?</h3>

An algebraic factor is the multiplication of two algebraic terms.

The root of the quadratic equation formed by the algebraic factor is always real.

That term could be in form of summation multiplication or in subtraction.

As per the given quadratic equation,

3n²+5n+2=0

Let's 5n = 2n + 3n

3n²+ (3n + 2n) + 2 = 0

3n² + 3n + 2n + 2 = 0

(3n² + 3n) + (2n + 2) = 0

3n(n + 1) + 2(n + 1) = 0

(n + 1 )(3n + 2) = 0

Hence "The algebraic factor is the multiplication term that can be common to the whole equation thus the factorization form of 3n²+5n+2=0 will be (n + 1)(3n + 2) = 0".

For more about the algebraic factor,

brainly.com/question/19426180

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1 year ago
The problem 7,291 ÷ 19 is solved below using partial quotients. Identify what partial quotient was used in each step. Then, iden
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Step-by-step explanation:

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Select the correct answer from each drop-down menu.
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Step-by-step explanation:

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To find the distance AB across a river, a surveyor laid off a distance BC=361 m on one side of the river. It is found that B=111
zhannawk [14.2K]

Answer:

91.87m

Step-by-step explanation:

We are given that

BC=361 m

Angle B=111^{\circ}20'=111+\frac{20}{60}=111.33^{\circ}

1 degree= 60 minute

Angle C=12^{\circ} 15'=12+\frac{15}{60}=12.25^{\circ}

We have to find the value of AB.

Sum of angles of triangle=180 degrees

\angle A+\angle B+\angle C=180

\angle A=180-(\angle C+\angle B)=180-(111.33+12.25)=56.42^{\circ}

By using law of sine

\frac{AB}{sin C}=\frac{BC}{sin A}

AB=\frac{BCsin C}{sin A}=\frac{361 sin 12.25^{\circ}}{sin 56.42^{\circ}}

AB=91.87 m

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