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2 years ago

I need to know this now please

Mathematics

1 answer:

nikitadnepr [17]2 years ago

7 0

Answer + Step-by-step explanation:

$\begin{matrix}x&y\\ -2&2(-2) +3=-1\\ 0&2(0)+3=3\\ 1&2(1)+3=5\\ 3&2(3)+3=9\end{matrix}$

Check the illustration I provided

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A typical marathon is 26.2 miles. Allan averages 12 kilometers per 1 hour when running in marathons. How long does it take for A

cluponka [151]

Answer:

3.5 hours

Step-by-step explanation:

Given: Distance= 26.2 miles

Speed= 12 km/h

First lets convert the unit of speed from kmh to mph.

Remember, 1 mile= 1.609 km

∴ For speed of 12 km/h= $\frac{12}{1.609}= 7.45\ mph$

Speed= 7.45 mph

Next, find time taken by Allan to complete a Marathon.

$Time= \frac{Distance}{speed}$

⇒ Time= $\frac{26.2}{7.45}$

∴ Time= 3.516 hours ≅ 3.5 h (nearest tenth)

∴ Allan took 3.5 hours to complete marathon.

8 0

4 years ago

Anybody know the answer to these

borishaifa [10]

Answer:

i would just guess bc thats me

7 0

3 years ago

Find the greatest common factor for this number pair. 30, 8

atroni [7]

Answer:

Step-by-step explanation:

To factor a number means to break it up into numbers that can be multiplied together to get the original number:

Therefore, factors of 30 and 8

30: 2×3×5

8: 2×2×2

Then, the common factor is 2

Only 2 can be divided both 8 and 30.

If you need to know all the factor of 30 and 8

30: 1,2,3,5,6,15, and 30

8: 1,2,4 and 8

7 0

4 years ago

PLEASE HELP, WILL GIVE BRAINLIEST!!!<br><br><br> Find the inverse of f(x)=6x-4<br> and find f^-1(62)

Lena [83]

Answer: 11

=========================

Explanation:

To find the inverse, or f^-1 of a function, you first replace the y= 6x-4 with x=6y-4

Finding the inverse from here is basically just finding y in terms of x.

1) x=6y-4
2) x+4=6
3) (x+4)/6= y

y= (x+4)/6 is now your f^-1.

Now that you have your inverse, replace 62 with your x in y=(x+4)/6

1) (62+4)/6
2) 66/6
3) 11

Therefore, f^-1(62)= 11

Hope this helps :)

5 0

3 years ago

Read 2 more answers

Can someone please answer this, ill give you brainliest Would be very appreciated.

azamat

Answer:

The s represents the y-intercept of the graph.

The 100t in the equation means the initial velocity of the rockey is 100

Step-by-step explanation:

According to the text and graph.

The s reprecets the yintexept of the graph

h(t)=5+100t-16t²

h(t)=100-32t

k(0)=100

in terms of the rocket The 100t in the equation means the initial velocity of the rockey is 100

read the image for the rest

8 0

3 years ago