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Lunna [17]
3 years ago
8

Evaluate the expression 3x^2+4x^3 when x=4.

Mathematics
1 answer:
larisa [96]3 years ago
6 0

Step-by-step explanation:

304

plug 4 in for x

3(4)^2 + 4(4)^3 = 304

48 + 256 = 304

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Help me please. I don’t understand this math. My math teacher is mean. :(((((
Verdich [7]

Answer:

The height of the given rectangular prism is 5cm.

Step-by-step explanation:

Given that the volume of the rectangular prism is 5cm^3

And length is \frac{3}{4} and width is 1\frac{1}{3}

That is V=5cm^3[/tex] , l=\frac{3}{4}cm and w=1\frac{1}{3}cm

We have the  volume of the rectangular prism V=lwh cubic centimeter

V=lwhcm^3

Substituting the values in above formula

5=\frac{3}{4}\times 1\frac{1}{3}\times h

5=\frac{3}{4}\times \frac{4}{3}\times h

5=1\times h

5=h

Rewritting as below

h=5cm

Therefore the height is 5cm

5 0
3 years ago
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What is the greatest product you can make by multiplying two 2-digit numbers? Explain.
Anestetic [448]
9801
99 is the greatest 2 digit number so if you do 99x99 you will get 9801
5 0
3 years ago
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How many 3/20 inch lengths are in 5 2/5 inches?
klasskru [66]

Answer:

0.81

Step-by-step explanation:

7 0
3 years ago
We can describe 15×-10 as an expression. we would describe 6×-2< 35 as an...
algol [13]

Answer: Inequality

Step-by-step explanation:

From the question, if we can describe 15×-10 as an expression, then we would describe 6×-2< 35 as an inequality. An

inequality is used to compare two values, and shows if one is less than, or greater than, or maybe not equal to the other value.

For example, a ≠ b means that a is not equal to b and a < b means a is less than b while a > b means a is greater than b. From the question, 6×-2< 35 means that 6x - 2 is less than 35.

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3 years ago
What is the area of the sector having a radius of 8 and a central angle of 5π3
olganol [36]

Area of a full circle is PI x r^2

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Area of a sector is area *  central angle / full circle

Area = 200.96 x 5PI/3 / 2PI = 160PI/3

Answer is C.

5 0
4 years ago
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