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denis-greek [22]
2 years ago
13

Third time posting. Explain it too

Mathematics
2 answers:
riadik2000 [5.3K]2 years ago
5 0

Answer:

oooooooof

Step-by-step explanation:

maw [93]2 years ago
4 0

Answer:

D. x-5 / x+4

Step-by-step explanation:

(-3x³ +9x² +30x) / (-3x³ -18x² - 24x)

=-3x (x²-3x-10) / -3x(x²+6x+8)

=-3x(x+2)(x-5) / -3x(x+2)(x+4)

=x-5 / x+4

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What are the answers for 7 and 8??? please help
wolverine [178]

Answer:

7.)

Therefore FT is 33 unit.

8.)

Therefore SU is 98 unit.

Step-by-step explanation:

7.)

Given:

ΔFUT ~ ΔFHG

FU = 39

FH = 130

FG = 110

To Find:

FT = ?

Solution:

ΔFUT ~ ΔFHG  ............Given

If two triangles are similar then their sides are in proportion.  

\dfrac{FU}{FH} =\dfrac{FT}{FG} \textrm{corresponding sides of similar triangles are in proportion}\\

Substituting the values we get

\dfrac{39}{130} =\dfrac{FT}{110}\\\\FT=\dfrac{110\times 39}{130}=33\\FT=33\ unit  

Therefore FT is 33 unit.

8.)

Given:

ΔSTU ~ ΔFED

ST= 63

FE = 9

FD = 14

To Find:

SU = ?

Solution:

ΔSTU ~ ΔFED  ............Given

If two triangles are similar then their sides are in proportion.  

\dfrac{ST}{FE} =\dfrac{SU}{FD} \textrm{corresponding sides of similar triangles are in proportion}\\

Substituting the values we get

\dfrac{63}{9} =\dfrac{SU}{14}\\\\SU=\dfrac{882}{9}=98\\\\SU=98\ unit

Therefore SU is 98 unit.

5 0
2 years ago
What are the focus and directrix of the parabola that is the graph of the function f(x)=x²?
Hitman42 [59]

Answer:

Step-by-step explanation:

Given

y=x^2

comparing it with standard equation x^2=4ay

so 4a=1

a=\frac{1}{4}

so Focus of parabola is (0,0)

directrix

y=-a

here a=\frac{1}{4}

y=-\frac{1}{4}      

5 0
3 years ago
Help a gal out, A= *I have no idea* ?<br><br> Give me what A= and I will appreciate it so much!!!
sineoko [7]

Answer:

\frac{sin (c)}{AB}=\frac{sin(A)}{26}

sin(A)=\frac{26\times sin(13)}{6} =0.97

A=sin^{-1}(0.97)=\boxed{77^o}

6 0
2 years ago
Please help me! thank you so much
Luda [366]

The Correct Answer Is f(x)=2.5x+5

7 0
3 years ago
Enter an equation in point-slope form for the line.
MissTica

Answer:

y+1=4(x+2)

Step-by-step explanation:

Hi there!

Point-slope form: y-y_1=m(x-x_1) where m is the slope and (x₁,y₁) is the given point

y-y_1=m(x-x_1)

Plug in the slope and the point

y-(-1)=4(x-(-2))\\y+1=4(x+2)

I hope this helps!

6 0
3 years ago
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