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Inessa [10]
3 years ago
7

Can someone pls help

Mathematics
2 answers:
Paladinen [302]3 years ago
7 0

Answer:

a=he went back home

b=speed=240km/h

Step-by-step explanation:

ps: wouldn't mind brainliest

umka21 [38]3 years ago
4 0

Answer:

a) Jo moved 1 kn from her starting position at minute 10

b) 0.13 km/min

Step-by-step explanation:

Look at the picture

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Simplify the expression 4x+6x-11x+2+x2-19
Artyom0805 [142]

4x+6x-11x+2+x2-19

simplified the answer is

X2-X-17

5 0
3 years ago
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Solve for e<br><br> 7(2e−1)−3=6+6e
creativ13 [48]

Answer:

there is no solution

Step-by-step explanation:

8 0
3 years ago
Write an equation of the parabola with focus (0, -3) and vertex at the origin. Use z for the independent variable.
olchik [2.2K]

Answer:

z^2 = -12y

or y = -(z^2/12)

Step-by-step explanation:

Answer:

z^2 = -12y

Step-by-step explanation:

Given the vertex at origin;

This is same as (0,0)

The focus (0,-3)

The general form is;

(z-h)^2 = 4p(y-k)

(h,k) is the vertex (0,0); so h = 0 and k = 0

The focus is given as;

(h,k + p)

so ;

k + p = -3

but k =0

so p = -3

Thus, the equation of the parabola is;

(z-0)^2 = 4(-3)(y-0)

z^2 = -12y

4 0
3 years ago
Can somebody plz help answer this word problem (showing the steps to get answer) thanks!
Alex

Answer:

528 cookies

Step-by-step explanation:

3 hours 55 minutes

=3×60+55

=235 and

235-215 ( for preheating minutes)

220

So

20 minutes…=48 cookies

1. ". =48/20 "

220 ". =48/20×220 "

=12/5×220 "

= 528 "

8 0
2 years ago
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HELP ASAPP SHOW YOUR WORK i’ll mark brainliest!
Fiesta28 [93]

Answer:

(x,y) (1, -4)

Step-by-step explanation:

3x-7= -4x

x=1

y= -4x1

y= -4

(x,y) (1, -4)

can i be brainliest

6 0
2 years ago
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