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almond37 [142]
3 years ago
13

Answer question in picture.

Mathematics
2 answers:
Andrews [41]3 years ago
6 0

Answer:

Surface area ~ 197.33

<em>Hope that helps!</em>

Step-by-step explanation:

Neporo4naja [7]3 years ago
6 0

Answer:

Step-by-step explanation:

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Help me pls pls pls pls pls
Oxana [17]

Answer:

B.x>4is a required interval.

5 0
3 years ago
Square root of 64+49-2(8)(7)cos32
gizmo_the_mogwai [7]

Answer:

+4.245

Step-by-step explanation:

Before you can find the square root of x^2, you have to EVALUATE

64+49-2(8)(7)cos32, and THEN take the square root of the result:

64+49-2(8)(7)cos32 = 64 + 49 - 112(0.848) =  113 - 94.981 = 18.019

Then x^2 = 18.019.

Find the square root of 18.019:  It is +4.245.  A negative result here would make no sense.

8 0
3 years ago
Solve the system of equations x^2 + y^2 = 1 and y=2x - 2/5
drek231 [11]
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
(
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(
−
7
25
,
−
24
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(
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5
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Equation Form:
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y
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x
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5
,
y
=
4
5
x
=
−
7
25
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y
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25
8 0
3 years ago
Fiona is going to jog once around the block she lives on. The block is rectangular, and it is 130130 yards long and 200200 feet
yaroslaw [1]
487153 ft 4 in or 48753.3334 ft
4 0
3 years ago
Read 2 more answers
Water leaks out of a tank through a square hole with 2-inch sides. At time t (in seconds) the velocity of water flowing through
aliya0001 [1]

Answer:

V = ∫₀⁶⁰vdt/36 ft³

Step-by-step explanation:

The rate of change of the volume of the tank V is given by dV/dt. Since the volume of the tank is V = Ah where A = cross-sectional area of the square hole and h = height of tank.

Now dV/dt = dV/dh × dh/dt where dh/dt = v = velocity of water flowing through the tank = rate at which the height is changing.

dV/dt = dV/dh × dh/dt

dV/dt = dAh/dh × dh/dt

dV/dt = A × v

dV/dt = Av

Now the area of the dimension of the hole is 2 inches in feet is 2/12 feet. The area of the hole is thus A = (2/12)² = 1/6² = 1/36 ft².

So, dV/dt = v/36

dV = vdt/36

So, for the total volume lost in the first minute, we integrate t from t = 0 to t = 60 s.

V = ∫₀⁶⁰dV

V = ∫₀⁶⁰vdt/36 ft³

So, the definite integral that represents the total amount of water (in cubic feet) lost in the first minute is V = ∫₀⁶⁰vdt/36 ft³

5 0
2 years ago
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