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loris [4]
3 years ago
9

X^2 + 6x + 5 show equation​

Mathematics
1 answer:
alekssr [168]3 years ago
5 0

Answer:

\boxed{\sf \ \ \ x=-5 \ \ \ or \ \ \ x=-1 \ \ }

Step-by-step explanation:

x^2+6x+5 = x^2+x+5x+5 = x(x+1)+5(x+1)=(x+5)(x+1)

so

x^2+6x+5 = 0  (x+5)(x+1)=0\\\\ x = -5 \  or \ x=-1

hope this helps

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Find the slope from the given equation. 9y = -3x + 5
anygoal [31]

Answer:

-3/9x

Step-by-step explanation:

You rearrange for 'y' so divide both sides by it's coefficient which is 9.

8 0
2 years ago
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Please help me last question
Alborosie

As you can see there are two triangles but it can be done calculating just for one. First we must understand how formula for area of triangle works.

A=\frac{1}{2}bh

Where b represents base (hypotenuse) and h as height of the triangle.

We know that:

b=13cm \\h=4cm

Using this data we fill the formula.

A=\frac{1}{2}\cdot13\cdot4=\frac{13\cdot4}{2}=13\cdot2=\boxed{26cm^2}

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2 years ago
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PLEASE HELP ASAP!! WILL GIVE BRAINLIEST
andrew11 [14]

Step-by-step explanation:

12) y = 4 + 7x

x = 3,-1

y = 4 + 7(3) = 25

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x = 72,

y = 72 - 11 = 61

14) y = 6x - 5

y = 6(-4) - 5 = -29

y = -11 (x = -1)

y = -5 (x = 0)

y = 13 (x = 3)

15) y = x + 1, each relation is a function

16) An = 22 + (n-1)11

A(2) = 22 + 1(11) = 33

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1 ------- A

2 ------ C

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8 0
3 years ago
9th grade math please help
Leni [432]

Answer:

Only:

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Step-by-step explanation:

Substitute the answers in the formula and only 7 and 0 will work.

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3 years ago
Find the slope of a line perpendicular to 3x + 5y = 15.
Zielflug [23.3K]

Answer:

B)5/3

Step-by-step explanation:

"3x + 5y = 15."

Rewrite in slope-intercept form.

The slope-intercept form is  

y=mx+b

where  m is the slope and  b  is the y-intercept.

y=mx+b

Subtract  3x  from both sides of the equation.

5y=15−3x

Divide each term by  "5"  and simplify.

5y/5=15/5−3x/5

"5" and "5" cancel each other out

Divide  15  by  5

y=3-3x/5

Reorder  3  and  −3x/5

y=-3x/5+3

Rewrite in slope-intercept form.

y=−3/5x+3

Slope:-3/5

The equation of a perpendicular line to  y=−3x/5+3  must have a slope that is the negative reciprocal of the original slope.

<em>m</em>perpendicular=−1/(−3/5)

Simplify the result.

mperpendicular=5/3

hope this helps!

8 0
3 years ago
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