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weeeeeb [17]
3 years ago
15

Fully simplify. (-2V-49)(5V-100)

Mathematics
1 answer:
brilliants [131]3 years ago
5 0

(-2v-49)x(5v-100)

Multiply each term in the first parentheses by each term in the second parentheses (foil)

-2vx5v-2vx(-100)-49x5v-49 x (-100)

calculate the product

-10v²-2v x(-100)-49x5v-49 x(-100)

-2vx5v

Multiply the numbers

-10v x v

the same of the other one ok is different how i am doing

-2vx5v

If a term doesn't have an exponent , it is considered that the exponent is 1

-10v^ 1 x v

-10v^1 xv^1

Multiply the terms with the same base by adding their exponents

-10v^1 x v^1

-10v^1+1

to add the numbers using a number line, start from zero

1+1=2

Since 1 is positive, move the point 1 unit to the right

The result is 2

Answer: -10v^2

That's it . Hope it wasn't too hard to understand?

PLEASE MARK ME AS BRAINLIEST

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Please help me I need help please​
MakcuM [25]

Answer:

p = 4

Step-by-step explanation:

Given equation:

x^2+(p-3)y^2-4x+6y-16=0

<u>Standard equation of a circle:</u>

(x-a)^2+(y-b)^2=r^2

(where (a,b) is the centre of the circle, and r is the radius)

If you expand this equation, you will see that the coefficient of y^2 is always one.

Therefore, p-3=1

\implies p=1+3=4

<u>Additional information</u>

To rewrite the given equation in the standard form:

\implies x^2+y^2-4x+6y-16=0

\implies x^2-4x+y^2+6y=16

\implies (x-2)^2-4+(y+3)^2-9=16

\implies (x-2)^2+(y+3)^2=16+4+9

\implies (x-2)^2+(y+3)^2=29

So this is a circle with centre (2, -3) and radius √29

3 0
2 years ago
A cylinder has an 18-inch diameter and is 15 inches tall. It is filled to the top with water. A 6-inch-diameter ball is
Goshia [24]

water in cylinder = 1.179π in³

<h3>Further explanation</h3>

Volume is a derivative quantity derived from the length

The unit of volume can be expressed in liters or milliliters or cubic meters

The volume of the cylinder

V = πr².h

the volume of ball

V= 4/3πr³

volume of cylinder

\tt V=\pi.9^2.15=1215\pi

volume of the ball

\tt V=\dfrac{4}{3}\pi.r^3\\\\V=\dfrac{4}{3}.\pi.3^3=36\pi

water in the cylinder

V cylinder - V ball

\tt 1215\pi-36\pi=1179\pi

5 0
3 years ago
20 POINTS PLEASE HELP
morpeh [17]
The answer is the bottom !hope this helps!
 
7 0
3 years ago
Estimate round to nearest ten thousand 649,891 - 35,427
Setler [38]
694,891 - 35,427 rounded to the nearest ten thousand is 614,000.
6 0
3 years ago
In parallelogram ABCD, m∠BAC = 40.62°and m∠BCA = 30.96°. What is m∠BAD?
KatRina [158]
The answer is letter a.  m∠BAD = 108.42<span>° 

The solution is as follows:
If </span>m∠BAC = 40.62° and m∠BCA = 30.96°, then
m∠CBA = 180° -  m∠BCA - <span>m∠BAC
</span>m∠CBA = <span>108.42°
</span>
Since m∠BAD = m∠CBA  due to the parallelogram's property, 
<span>m∠BAD</span> = <span>108.42°.</span>
4 0
4 years ago
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