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Rom4ik [11]
3 years ago
14

What is (4x+2)^2-3 ??

Mathematics
1 answer:
Veronika [31]3 years ago
4 0
(4x+2)²-3
16x²+4-3
16x²+1

Hope this helps :)
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625 revolutions in 223 seconds<br><br> Find the unit rate.
krok68 [10]

Answer:

2.802691 revolutions per second

Step-by-step explanation:

You can round to the nearest whole number making it 3 revolutions per second

7 0
3 years ago
Solve for x.<br> 7 inches<br> Х<br> 11 inches
jonny [76]

Answer:

8.49 inches

Step-by-step explanation:

x^2 + 7^2 = 11^2

x^2 + 49 = 121

X^2 = 121 - 49

x^2 = 72 (then take square root on both sides)

x = 8.49 inches

7 0
3 years ago
Find an equation of the plane. the plane through the point (−5, 9, 10) and perpendicular to the line x = 1 + t, y = 4t, z = 2 −
PtichkaEL [24]
The direction vector of the line
L: x=1+t, y=4t, z=2-3t
is <1,4,-3>
which is also the required normal vector of the plane.

Since the plane passes through point (-5,9,10), the required plane is :
&Pi; 1(x-(-5)+4(y-9)-3(z-10)=0
=>
&Pi; x+4y-3z=1

3 0
3 years ago
Solve for X:-1 Plz help
elena55 [62]

Answer:

Lo siento, solo necesitaba los puntos

Step-by-step explanation:

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Lo siento, solo necesitaba los puntos

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4 0
3 years ago
Read 2 more answers
Find the volume of the cone​
irina1246 [14]

Answer:

The volume of the cone is 12936 cubic mm.

Step-by-step explanation:

Given

Circumference of base = 132 mm

Height of the cone = 28 mm

Solution

Formula  of circumference = 2\pi r = 132 mm

\therefore\ r= \frac{132}{2 \pi } = 21 mm

Now volume of cone = \frac{1}{3} \times\pi \times r^{2} \times h

on substituting the value of r and h  we get ;

\frac{1}{3}\times\frac{22}{7} \times21\times21\times28= 12936\ mm

thus volume of cone is 12936  cubic mm.

4 0
3 years ago
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