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Elena-2011 [213]
3 years ago
13

What is the expanded from for 430,290,100

Mathematics
2 answers:
Anton [14]3 years ago
4 0
400,000,000+30,000,000+200,00+90,000+100 is it 
grin007 [14]3 years ago
3 0
400,000,000 + 30,000,000 + 200,000 + 90,000 +100
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A rectangular prism has a length of 12 centimeters, a width of 6 centimeters, and a height of 9 centimeters. A cross section is
Klio2033 [76]

Answer:

<h2>The perimeter of the cross section is 30 centimeters.</h2>

Step-by-step explanation:

In this problem we have the intersection of a rectangular prism an a plane.

The dimensions of the rectangular plane are

l=12cm\\w=6cm\\h=9cm

Assuming the plane is cutting the prism horizontally, the cross section would have dimensions

w=6cm\\l=9cm

Because only the height would be cut.

So, the perimeter of the rectangle cross-section is

P_{cross}=2(l+w)=2(6+9)=2(15)=30cm

Therefore, the perimeter of the cross section is 30 centimeters.

3 0
3 years ago
Help pls this for my math test
rewona [7]

Step-by-step explanation:

option C is correct....

6 0
2 years ago
Suppose f varies directly as g, and f varies inversely as h. Find g when f = 10 and h = –12, if g = 56 when h = –2 and f = –7. R
kow [346]

Answer:

-480

Step-by-step explanation:

If f varies directly as g, and inversely as h, then we can write the variation equation:

f=\frac{kg}{h}, where k is the constant of variation.

If g=56 when h=-2 and f=-7, then we substitute these values into the formula to find the value of k.

-7=\frac{k(56)}{-2}

-7\times -2=56k

k=\frac{14}{56}=\frac{1}{4}

The equation now becomes:

f=\frac{g}{4h}

if f=10 and h=-12, then;

10=\frac{g}{-48}

g=-48\times 10=-480

The correct answer is B.

4 0
3 years ago
DUE ASAP AT 10:30 5 ( x - 1 ) = 28 - 6x<br> A 3<br> B 7<br> C 10<br> D -7
Nostrana [21]

Answer:

4

Step-by-step explanation:

3 0
2 years ago
Help me with this question please
Lisa [10]
First find the equation of the line:

y - b = m (X - a)
y - 5 = 2/3 (X + 2)
3y - 15 = 2 (X + 2)
3y - 15 = 2x + 4
3y = 2x + 19

Then sub the y-value of A into the equation to find X.

y = 3
3(3) = 2x + 19
9 = 2x + 19
2x = 10
X = 5

And sub the X-value of B into the equation to find y.

X = -2
3y = 2(-2) + 19
3y = -4 + 19
3y = 15
y = 5
5 0
3 years ago
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