2 years ago

What is the formula for volume

Mathematics

2 answers:

MrRissso [65]2 years ago

7 0

The formula for volume is v=lwh

dmitriy555 [2]2 years ago

4 0

Answer:length x width x hight=volume

Step-by-step explanation:

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What two numbers add up to 6 and multiply to 12?

GuDViN [60]

Erm

x+y=6
xy=12

x+y=6
y=6-x
sub back

xy=12
x(6-x)=12
6x-x^2=12
x^2-6x=-12
x^2-6x+12=0
quadratic formula
for
ax²+bx+c=0
$x= \frac{-b+/- \sqrt{b^2-4ac} }{2a}$

for
x²-6x+12=0
a=1
b=-6
c=12
and remember that √-1=i

$x= \frac{-(-6)+/- \sqrt{(-6)^2-4(1)(12)} }{2(1)}$
$x= \frac{6+/- \sqrt{36-48} }{2}$
$x= \frac{6+/- \sqrt{-12} }{2}$
$x= \frac{6+/- (\sqrt{-1})(\sqrt{12}) }{2}$
$x= \frac{6+/- (i)(2\sqrt{3}) }{2}$
$x= \frac{6+/- 2i\sqrt{3} }{2}$
x=3+/-i√3

the numbers are 3+i√3 and 3-i√3
no real numbers tho

7 0

3 years ago

Given that f(x) = 6x + 2 and g(x) =2x+4 over 5 solve for g(f(1))

Lady bird [3.3K]

F(1)=6(1)+2
= 6+2
=8

g(f(1))= 2x/5 +4/5
= 2(8)/5 +4/5
= 16/5 +4/5
= 20/5
=4

6 0

3 years ago

Savannah wants to buy a new tablet that costs $140. She has a coupon expiring this week that is for 15% off any item. Next week,

tankabanditka [31]

Answer:

Its better to buy this week because it is cheaper with using coupon.

Step-by-step explanation:

140 x 0.85 = 119

125 > 119

6 0

2 years ago

Mario’s company makes unusually shaped imitation gemstones. One gemstone has 14 faces and 10 vertices. How many edges does the g

Ivan

The gemstone has 22 edges.

We use Euler's formula on this:

F + V - E = 2

Substituting our information, we have:

14 + 10 - E = 2

Combining like terms,
24 - E = 2

Subtract 24 from both sides:
24 - E - 24 = 2 - 24
-E = -22

Divide both sides by -1:
-E/-1 = -22/-1
E = 22

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2 years ago

What is the value of a in the equation 3.5a-2= -1.5a+4

Natali5045456 [20]

6/5 because you add 1.5 to both sides, the. Add 2 to both sides, then divide to get a by itself

4 0

2 years ago

Read 2 more answers