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attashe74 [19]
4 years ago
6

Can someone help with this question?

Mathematics
2 answers:
Tresset [83]4 years ago
8 0

The volume of a rectangular prism is given by the product of its dimension: let w, h, l be the width, height and length of the prism, we have

V = whl

In your case, everything is given except the width:

144 = w\cdot 3 \cdot 12 \iff 144 = 36w \iff w = \dfrac{144}{36} = 4

Juli2301 [7.4K]4 years ago
6 0

Answer:

w = 4 m

Step-by-step explanation:

The volume (V) of a cuboid is

V = lwh ( l is length, w is width and h is height )

Given V = 144 m³, then

lwh = 144 ( substitute l = 3 and h = 12 )

3 × w × 12 = 144

36w = 144 ( divide both sides by 36 )

w = 4

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Write 9− 16x⁴ as the product of two factors.
Marysya12 [62]

Answer:

The two factors will be =(3+4x^2)\ and\ (3-4x^2)        

Step-by-step explanation:

We have given the equation 9-16x^4

We know the algebraic equation a^2-b^2=(a+b)(a-b)

As  9-16x^4 can be written as 3^2-(4x^2)^2, as square of 3 is 9 and square of 4x^2 is 16x^4

So 9-16x^4=3^2-(4x^2)^=(3+4x^2)(3-4x^2)

So the two factors will be =(3+4x^2)\ and\ (3-4x^2)

6 0
3 years ago
Lauren is putting a circular window in her living room ceiling. The window will have a radius of 3 feet. Using 3.14 for π, what
Ira Lisetskai [31]
D. 19
...........................
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3 years ago
The circumference of great circle of a hemisphere is 44 cm. find the total surface area of the hemisphere​
max2010maxim [7]

Answer:

I didn't know if you meant that the circumference of tje hemisphere was 44 or if the circumference of the cirkel in which the hemisphere exists is 44 but you rearrange the numbers.

Step-by-step explanation:

The formula for calculating a circumference is 2×pi×r, with r as tje radius of the cirkel. So in this instance we get 2×pi×r=44. r=44/(2×pi)=7.00 centimeters. The total surface area of a cirkel=pi×r^2=pi×7.00^2=154.06 meters squared. 154.06/2=77.03 meters squared (hemisphere is half of a cirkel)

6 0
3 years ago
ILL GIVE MORE BRAINLY IF YOU GIT IT RIGHT PLS END OF 1/4 IS TODAY
aivan3 [116]

Answer:

60

Step-by-step explanation:

Just use similar triangles.

12/10 = 72/x

Now solve for x.

x = 72 * 10 / 12 = 60

4 0
3 years ago
david earns $1.50 per hour more than peter. together, they earn $940 if they both work 40 hours in a week. how much money per ho
Korolek [52]

Answer:

469.25

Step-by-step explanation:

peter=x

david=x+1.50

x+(x+1.50)=940

x=940-x-1.50

2x=940-1.50

2x=938.5

x=938.5/2

x=469.25

8 0
3 years ago
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