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3 years ago

Identify the coefficient of -13x

Mathematics

2 answers:

Vika [28.1K]3 years ago

5 0

Answer:

-13

Step-by-step explanation:

Detention of coefficient: The number next to the letter variable.

anyanavicka [17]3 years ago

3 0

Answer:

Identify the terms constants coefficient and variables in the following equation 13x + 5y - 2 = 3

Step-by-step explanation:

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What are the solutions of the equation (2x + 3)2 + 8(2x + 3) + 11 = 0

Tom [10]

Answer:

$x=\frac{-7-\sqrt{5}}{2}$ or $x=\frac{-7+ \sqrt{5}}{2}$

Step-by-step explanation:

The given equation is

$(2x+3)^2+8(2x+3)+11=0$

Let us treat this as a quadratic equation in $(2x+3)$ .

where $a=1,b=8,c=11$

The solution is given by the quadratic formula;

$(2x+3)=\frac{-b\pm \sqrt{b^2-4ac} }{2a}$

We substitute these values into the formula to obtain;

$(2x+3)=\frac{-8\pm \sqrt{8^2-4(1)(11)} }{2(1)}$

$(2x+3)=\frac{-8\pm \sqrt{64-44} }{2}$

$(2x+3)=\frac{-8\pm \sqrt{20} }{2}$

$(2x+3)=\frac{-8\pm2\sqrt{5} }{2}$

$(2x+3)=-4\pm \sqrt{5}$

$(2x+3)=-4-\sqrt{5}$ or $(2x+3)=-4+ \sqrt{5}$

$2x=-3-4-\sqrt{5}$ or $2x=-3-4+ \sqrt{5}$

$2x=-7-\sqrt{5}$ or $2x=-7+ \sqrt{5}$

$x=\frac{-7-\sqrt{5}}{2}$ or $x=\frac{-7+ \sqrt{5}}{2}$

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3 years ago

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Answer

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Step-by-step explanation:

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2 years ago

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sergeinik [125]

The answer is lizeth earns 0.35 cents more per hour. beacuse 66 divided by 8 =8.25 then 68.80 divided by 8 is 8.60 then if you subtract 8.60-8.25 it equals 0.35

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2 years ago

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Reflect over the Y axis

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3 years ago

A rectangle has a length that is 4 ft more

Ludmilka [50]

Answer:

length = 14 width = 10

Step-by-step explanation:

48/4=12

10+10+14+14=48

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2 years ago

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