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4 years ago

Hey guys I have more questions comming soon

Mathematics

2 answers:

gavmur [86]4 years ago

8 0

Answer:

25a-40b-10 is your answer, hope this helped :)

Step-by-step explanation:

V125BC [204]4 years ago

3 0

I believe the answer is 25a—40b —10

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Work out Ryan’s average speed for his total return journey detailing how you worked it out.

pickupchik [31]

Answer:

For the return, i guess that you say in the interval between 15:40 and 15:45, that is the moment where he goes back to his home, and pass through the local shop.

Ok, in the graph we can see pairs (time, position)

The average speed can be obtained with two of these pairs, and the average speed is:

As = (position2 - position1)/(time2 - time1)

In this particular case, we have the pairs:

(15:40, 900m) and (15:45, 400m)

(i guess that the distance is in meters)

Then the average speed is:

As = (900m - 400m)/(15:45 - 15:40)

and 15:45 - 15:40 = 0.5 minutes.

As= 500m/5 min = 100 m/min

This means that the average speed in this return is 100 meters per minute

7 0

3 years ago

Someone plz help me :(

mylen [45]

Answer:

Step-by-step explanation:

I only help you because you have nezuko as profile picture

3 0

3 years ago

Read 2 more answers

Multiply using suitable properties: 7219 x (-1005)

krok68 [10]

-7255095 is the ans in think so

7 0

3 years ago

Which are the solutions of x2 = –7x – 8?

Yanka [14]

You can start by rewriting the equation so that the right side equals zero. Add $-7x$ and $8$ to both sides.

$x^2+7x+8=0$

You can now use the quadratic equation (below), where $a=1, b=7,$ and $c=8$ , to find solutions. Plug in these values for $a, b,$ and $c$ into the equation and simplify.

$\frac{-b \pm \sqrt{b^2-4(ac)}} {2a}$
$\frac{-7 \pm \sqrt{7^2-4(1 \times 8)}} {2 \times 1}$
$\frac{-7 \pm \sqrt{49-32}} {2}$
$\frac{-7 \pm \sqrt{17}} {2}$

The final answer is the combination of both solutions.
$x=\frac{-7}{2} \pm \frac{\sqrt{17}} {2} \approx -3.5 \pm 2.06.$

Or approximately...
$x=(-3.5-2.06) \approx -5.56, (-3.5+2.06) \approx-1.44$

8 0

3 years ago

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Which is the best estimate of the summer of 5 1/5 and 8 5/6

stepan [7]

Answer:

365.25 days

Step-by-step explanation:

7 0

3 years ago

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Hey guys I have more questions comming soon​

Hey guys I have more questions comming soon