2 years ago

Helppppppppppp pleaseeeeeee!

Mathematics

2 answers:

Leviafan [203]2 years ago

7 0

Answer:

B,2, or the second one

Step-by-step explanation:

I think it is B because He walked to his home and thought about his day seems like it’s two words combined

Hope This Helps ▼・ᴥ・▼

bazaltina [42]2 years ago

6 0

Answer:

the second one

Step-by-step explanation:

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A train goes twice as fast downhill as it can go uphill, and 2/3 feet as fast uphill as it can go on level ground. If it goes 12

Yuri [45]

Answer:

0.5hrs

Step-by-step explanation:

Let the speed downhill be $x$ ,

Speed uphill is $0.5x$ . We are told than speed uphill is $\frac{2}{3}$ the speed on flat ground. Therefore the speed on level ground will be $\frac{0.5x}{2/3}=0.75x$ .

From this info, we can obtain the actual speed, $v_g$ on level ground as:

$x=120m/h\\0.75x=v_g\\\\\therefore v_g=\frac{0.75x \times 120m/h}{x}\\v_g=90m/h$

speed, distance and time have the relation $s=d/t$ so to obtain time to cover 45miles:

$t=d/s\\=45/90\\=0.5h$

Hence it takes 0.5hrs to cover 45miles on flat ground.

4 0

3 years ago

Ok this is a long one, so any help would mean the world, even if you only do part of it.

jeka94

It’s shehshdhshhshshshhs

8 0

3 years ago

Between each whole number does √199

Gala2k [10]

between 14 and 15

because

14^2 = 196

15^2 = 225

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3 years ago

What is the vertex form of the equation y=x^2+12x-9

luda_lava [24]

Find the vertex form
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3 years ago

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F(x)= 6+ (10/x) what are the inflection points?

mojhsa [17]

Answer:

An inflection point is a point on the graph of a function at which the concavity changes. Points of inflection can occur where the second derivative is zero.

Step-by-step explanation:

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3 years ago