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fenix001 [56]
3 years ago
6

Find the vertex of y=-x^2-4x

Mathematics
1 answer:
Kay [80]3 years ago
3 0
The vertex would be (-2,4)
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If f(x)=3x-2 find f-1 (13)​
SOVA2 [1]

Answer:

Firstly

f(x)=3x-2=y then

Interchanging x and y we get

x=3y-2

x+2=3y

y=(x+2)/3

f-1(x)=(x+2)/3

f-1(13)=(13+2)/3

f-1(13)=5

3 0
3 years ago
Plz help.
zvonat [6]
x-\ the price \ of \ the \ gift \ \\ \\ 10\% \ of \ x= \frac{10}{100}*x= \frac{1}{10}*x=\frac{x}{10}- the \ discount \\ \\x^{(10} -\frac{x}{10}= \frac{10x-x}{10}= \frac{9x}{10} -the \ new \ price \ \\ \\4*9.00 \$=36 \$ -the \ price \ after \ discount \\ \\ \frac{9x}{10}=36 =>x=\frac{10*36}{9} \\ \\ \boxed{x=40 \$}

the variant A.$40.00
5 0
3 years ago
How do you show your work for this problem?
laiz [17]

Answer:

i cant see it

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
HI PEEPS CAN ANYONE PLS PAY ATTENTION TO MY Q'S FOR ONCE :'(
leonid [27]
Square root of 154m^2 = 12.5~
So adding 1.5 to 12.5 and subtracting 1.5 to 12.5 gives us 11 and 14
Your dimensions are 11x14
Brainliest?
Thanks!
5 0
4 years ago
How do I write c. Using if and then
pav-90 [236]
If half the sum of the bases is multiplied by the height, then that is the area of the trapezoid.
I believe this is the correct wording.

I am pretty sure these statements are created by taking the last part of the statement and pairing it with the “if” and the first part of the statement and pairing it with a “then” to make a complete statement.

I hope this helps! :)
5 0
3 years ago
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