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iren2701 [21]
4 years ago
5

Are DEF and RPQ Congruent?

Mathematics
2 answers:
telo118 [61]4 years ago
5 0
Yes, DEF and RPQ are congruent.
11Alexandr11 [23.1K]4 years ago
3 0

Answer: yes

Step-by-step explanation:

Can be mapped by 180

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Solve 27 = 3^4x + 1? a) 1/4 b)1/2 c)2 d)4
Artemon [7]

Answer:

B

Step-by-step explanation:

27 = 3^3

3 = 4x + 1

2 = 4x

x = 1/2

5 0
4 years ago
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3.3333 as a simplified fraction
Irina18 [472]

3 1/3 would be the answer

5 0
3 years ago
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1. What is the vertex form of the equation?
sergeinik [125]

1.vertex form is y=a(x-h)^2+k

to get into vertex form, complete the square

y=-x^2+12x-4

step 1: group x terms

y=(-x^2+12x)-4

step 2: factor coefient in front of x^2 term

y=-1(x^2-12x)-4

prep for next step: take 1/2 of linear (1st dgree term) and square it

\frac{-12}{2}=-6, (-6)^2=36

step 3: add positive and negative of that previous number inside the parenthasees

y=-1(x^2-12x+36-36)-4

factor perfect squaer trionmial

y=-1((x-6)^2-36)-4

take out that -36 by expansion

y=-1(x-6)^2+36-4

y=-1(x-6)^2+32



2. factor out the 2

2(x^2+8x+12)

what 2 numbers multiply to get 12 and add to get 8?

2 and 6

2(x+2)(x+6)


3.

for ax^2+bx+c=0

x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}

in our case

x^2-7x-6=0

a=1, b=-7, c=-6

x=\frac{-(-7) \pm \sqrt{(-7)^2-4(1)(-6)}}{2(1)}

x=\frac{7 \pm \sqrt{73}}{2}

so x=\frac{7+\sqrt{73}}{2} and x=\frac{7-\sqrt{73}}{2}



4. remember that i=\sqrt{-1} so i^2=-1

treat i as a variable

(-2i)(8i)=

(-2)(i)(8)(i)=

(-2)(8)(i)(i)=

(-16)(i^2)=

(-16)(-1)=

[tex}16[/tex]

8 0
3 years ago
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Square root of 500 - square root if 180 + sqare root if 80
MA_775_DIABLO [31]

\sqrt{500 }  -  \sqrt{180}  +  \sqrt{80}
that is17.88
6 0
3 years ago
What are the terms in the expression 7x + 4y + 1?
ludmilkaskok [199]

Answer:

7x, 4y

Step-by-step explanation:

terms are numbers with variables in expressions. usually able to count because + and - split them

7 0
3 years ago
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