3 years ago

PLEASE PLEASE PLEASE HELP ME Which of the following is a perfect square trinomial?

Mathematics

1 answer:

alexandr1967 [171]3 years ago

7 0

Answer:

Step-by-step explanation:

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Which equation is a point slope form equation for line AB ?

kap26 [50]

Answer:

$y-5=\frac{3}{4}(x-6)$

Step-by-step explanation:

we know that

The equation of a line in point slope form is equal to

$y-y1=m(x-x1)$

step 1

Find the slope m

we have the points

A(-2,-1),B(6,5)

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the values

$m=\frac{5+1}{6+2}$

$m=\frac{6}{8}$

simplify

$m=\frac{3}{4}$

step 2

Find the equation of the line

we have

$(x1,y1)=(6,5)$

$m=\frac{3}{4}$

substitute

$y-y1=m(x-x1)$

$y-5=\frac{3}{4}(x-6)$

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3 years ago

Help Please <br><br> Which angle is the vertical angle to ∠DFA?

Wewaii [24]

Answer:

FCD

Step-by-step explanation: and sometimes we do not care about bold writing

FCD is the vertical angle I guess.

okay.

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3 years ago

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Answer for the square root(5x-9)+1=x

Evgen [1.6K]

$\bf \sqrt{5x-9}+1=x\implies \sqrt{5x-9}=x-1\implies 5x-9 = (x-1)^2 \\\\\\ 5x-9=\stackrel{\mathbb{FOIL}}{x^2-2x+1}\implies 5x=x^2-2x+10\implies 0=x^2-7x+10 \\\\\\ 0=(x-5)(x-2)\implies x= \begin{cases} 5\\ 2 \end{cases}$

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3 years ago

Vicki ate 15 cookies last week. If she ate 5 cookies Friday, what fraction of the week's cookies did she eat Friday? What fracti

Anika [276]

Vicki ate 5/20 cookies on Friday and 15/20 last week

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2 years ago

Solve the system of linear equations below.

UkoKoshka [18]

Answer:

Step-by-step explanation:

6x+3y=33 <=> 2x+y=11<=>4x+2y=22 (1)

4x+y=15 (2)

(1)-(2) <=> y=7

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3 years ago