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Karolina [17]
3 years ago
14

Add the equation u-v/8v + 6u-3v/8v

Mathematics
1 answer:
notka56 [123]3 years ago
8 0

Answer:

7u-4v/8

Step-by-step explanation:

u+6u=7u

-v+(-3v)=-v-3v=-4v

7u-4u/8

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Gina says that she can find the length of the diagonal, c, of the rectangular prism by using the Pythagorean theorem twice.
Elena L [17]

Answer:

\sqrt{149\\ \\

However, that's the length of "c" and you're looking to drag it in. So,o you drag in 10^2+7^2=a^2.

Then, as shown by the first picture attatched, you can drag in the one with "c" and "a" with the five shown.

Step-by-step explanation:

To find "c" the diagonal, as explained, you need to use the theorem twice. You can first use it by finding "a", as you already have "b". To find a, you do 10^2+7^2=a^2, the hypotenuse.

100+49=149.

So, a is root 149.

a^2+b^2=c^2 so

149+25=174

5 0
3 years ago
Please help with this word problem<br> thanks
Luda [366]
When  a jogger runs south and then turns west, we have right angle between segment 0.8 mi and segment to the west. So it is legs of the right triangle.
1.7 mi is hypotenuse.

hypotenuse² =(leg1)²+(leg2)²
1.7²=0.8² + (leg2)²
(leg2)²=1.7²-0.8² = 2.25 mi²
leg2=√(2.25 mi²)
leg2=1.5 mi
Answer is 1.5 mi.
4 0
3 years ago
A tank can be filled by one pump in 50 minutes and by another in 60 minutes. A third pump can drain the tank in 75 minutes. If a
Deffense [45]

let's label each pump A, B, and C, just for convenience. A fills the tank by 1/50 every minute, B fills the tank by 1/60 every minute, and C drains it by 1/75 every minute. Now we can put them all into one function: t(1/50 + 1/60 - 1/75) = 1, where t = our time in minutes and 1 = the tank being full.

next, we solve for t: t = 300/7 minutes, or approximately 42.86 minutes.

4 0
3 years ago
Please Help                                                                                                                    
Elina [12.6K]
They have the same volume, so it's not a or d, but the surface area of a is 104, and the surface area of b is 94, so the answer is B.
Hope i helped! i also have this question in k12.<span />
3 0
3 years ago
Please answer the question in the picture. Ty
tresset_1 [31]

Answer:

B. -2, -1/2, 1, 3

Step-by-step explanation:


8 0
4 years ago
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