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tankabanditka [31]
3 years ago
15

1) An air conditioning system can circulate 400 cubic feet of air per minute. How many cubic yards of air

Mathematics
1 answer:
masha68 [24]3 years ago
8 0

Answer:

It can circulate about 14.814 cubic yards per minute.

Step-by-step explanation:

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Find AB<br><br>please help :-)​
drek231 [11]

Answer:

Therefore,

l(AB) = 15 units

Step-by-step explanation:

Given:

AD = DC

angle DBA = angle DBC = 90°

AB = 5x

CB = 4x - 3

To Find:

AB = ?

Solution:

In  Δ ABD and Δ CBD

AD ≅ DC     ……….{Given}

∠ DBA ≅ ∠ DBC      …………..{measure of each angle is 90° given}

DB ≅ DB                  ....……….{ Reflexive property}

Δ ABD ≅ Δ CBD      ..........….{By Hypotenuse Leg Theorem}

∴ AB ≅ CB               ..............{corresponding sides of congruent triangles}

on substituting the values we get

5x=4x+3\\\\5x-4x=3\\\\\therefore x =3

Now we require AB

AB=5x\\\\AB=5\times 3\\\\AB=15\ units

Therefore,

l(AB) = 15 units

3 0
3 years ago
I need help i will give 19 po.ints
Musya8 [376]

-5 7/10

How?

13 4/5

8 1/10

you need similar denominators.

13 4/5 x 2 = 13 8/10

13 8/10 + ? = 8 1/10

8 1/10 + 5 7/10 = 13 4/5

(5 7/10 turned negative bc its below sea level and your technically adding.)

MAY BE INCORRECT!

5 0
3 years ago
Read 2 more answers
Which expression is the difference with 2 terms
erastovalidia [21]
B, 6x -9. the rest either contain two many terms or use a different operation. hope this helps x
6 0
3 years ago
PLEASE HURRY<br> WILL GIVE BRAINLIEST
fiasKO [112]
The answer would be (8pi +12) in^2
This is because to solve for the semicircle the equation is:
1/2*pi*r^2 1/2*pi*16
And the equation for the triangle is:
1/2*hb*h 1/2*8*3
(Plz mark Brainliest have a nice day)
3 0
3 years ago
Find the coefficient of the x^4y^2 term in the expansion of (2x+y)^6
Elina [12.6K]

Answer:

240

Step-by-step explanation:

When you factor it out, you get:

64x^6 + 192x^5y +240x^4y^2 + 160x^3y^3 + 60x^2y^4 +12xy^5 + y^6

8 0
3 years ago
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