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Allushta [10]
3 years ago
12

: 6 = 0.2what divided by 6 equals 0.2 ?​

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
5 0

Answer:

30

Step-by-step explanation:

.2x45=9 so then you will have to multiply .2 by something less then 45.

.2x40=8

.2x35=7

<u>.2x30=6</u>

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Sin150+sin120÷cos210-cos300
natulia [17]
From sin(180-x) = sin(x)
sin(150) = sin(180-30) = sin(30)
sin(120) = sin(180-60) = sin(60)

from cos(360-x) = cos(x)
cos(300) = cos(360-60) = cos(60)
cos(210) = cos(360-150) = cos(150)

from cos(180-x) = -cos(x)
cos(210) = cos(150) = cos(180-30) = -cos(30)
6 0
3 years ago
What is the answer to this equation 11(-2)
kolbaska11 [484]

Answer:

The answer is -22

Step-by-step explanation:

remove the parentheses then you have 11 * -2 = -22

I am happy to assist :)

5 0
3 years ago
Read 2 more answers
A water tank is box shaped with a square base of side length 5 ft. The tank is fed by a pipe above and drains from its base. In
adell [148]

Answer:

dy/dt = - (1/5) ft/s = - 0.2 ft/s

Step-by-step explanation:

Given

L = 5 ft

Qin = 25 ft³/s

Qout = 30 ft³/s

h = 10 ft

dy/dt = ?

We can apply the relation

ΔQ = Qint - Qout = 25 ft³/s - 30 ft³/s

⇒ ΔQ = - 5 ft³/s

Then we use the formula

Q = v*A

where Q = ΔQ, A = L²  is the area of square base and v = dy/dt  is the rate of change in the depth of the solution in the tank

⇒ ΔQ = (dy/dt)*L²

⇒ dy/dt = ΔQ/L²

⇒ dy/dt = (- 5 ft³/s)/(5 ft)²

⇒ dy/dt = - (1/5) ft/s = - 0.2 ft/s

6 0
3 years ago
PLEASE HELP
katrin [286]

Answer:

3 + 4n -9 + 5n

9n - 6

3 0
3 years ago
Evaluate.
tekilochka [14]

Step-by-step explanation:

W=-6, x=1.2, and z=-6/7

(W²x-3)÷10-z

we substitute

((-6²)(1.2)-3)÷10-(-6/7)

((-36)(1.2)-3) ÷10-(-6/7)

(-43.2-3) ÷10(6/7)

(-46.2)÷60/7

-46.2÷60/7

-46.2*7/60

-46.2/1*7/60

-323.4/60

-5.39

8 0
3 years ago
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