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PolarNik [594]
3 years ago
9

Brainliest,plz help

Mathematics
1 answer:
labwork [276]3 years ago
4 0

4 sqrt (32) + 6 sqrt (50)

4 sqrt (16*2) + 6 sqrt (2*25)

4 sqrt (16)*sqrt(2) + 6 sqrt (2)*sqrt(25)

4 *4*sqrt(2)+6sqrt(2)*5

16sqrt(2)+30sqrt(2)

46sqrt(2)


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Two trains left the station traveling in opposite directions. The distance Train A traveled is modeled by the function d(t)=81t
stira [4]

Answer:

Option A -  The distance Train A traveled in 1 h is equal to the distance Train B traveled in 1 h.

Step-by-step explanation:

Given : The distance Train A traveled is modeled by the function d(t)=81t

where d represents distance in miles and t represents time in hours.

To find : How does the distance Train A traveled in 1 hour compare to the distance Train B traveled in 1 hour?

Solution :

Distance traveled by Train A in 1 hour is

d(t)=81t

d(t)=81(1)=81

Distance traveled by Train B in 1 hour is

d(t)=81t

d(t)=81(1)=81

or for B, we have 324 miles in 4 hours. If that is at a constant speed, it travels 324/4 = 81 miles in one hour

Therefore, The distance Train A traveled in 1 h is equal to the distance Train B traveled in 1 h.

Hence, Option A is correct.


8 0
2 years ago
Three rectangular tables are placed end to end to form one long table 7.8 meters long. The lengths of two of the tables are 3.5
WARRIOR [948]

The length of the third smallest table is 1.6 because 7.8 is more than 3.5 and 3.5 is more than 1.6,

5 0
3 years ago
Simplify the expression:<br><br> m - 1/6 - 4m + 5/6
Oduvanchick [21]

Answer:

-3m+2/3.     2/3 is a fraction

Step-by-step explanation:

8 0
3 years ago
A lottery game has balls numbered 0 through 9. What is the probability of selecting an even
Elodia [21]

Answer:

I believe there is a 5/10 chance

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
I need Help ASAP PLS, WILL FAN AND MEDAL  79 POINTS IF ANSWER
Alenkinab [10]
Okay, i went with a rectangle, if the rectangle base is 12 and the height is 6 then it would be 12*6 + 12*6 + 12*6= 216 now the ratio is easy , 72:72 because that's what makes up the 12*6 and because there is 3 it's 72 two times now for part b 5 x 10 so that is the height and length so now what you want to do is do what you did the second time so it would be 72:50.
Extra tips: To find the volume of any cube you need to know the length, width and height. The formula to find the volume multiplies the length by the width by the height. The good news for a cube is that the measure of each of these dimensions is exactly the same. Therefore, you can multiply the length of any side three times.
3 0
3 years ago
Read 2 more answers
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