275.5 would be the answer. Round it up to 276 though and that's the answer.
You don't switch it unless for example 7<x the X has to be on the other side X>7
Answer:
Step-by-step explanation:
1) A perfect square is a whole number which is a product of a smaller whole number and itself. Examples of perfect squares are
4(2 × 2)
9(3 × 3)
16(4 × 4)
25(5 × 5)
36(6 × 6)
2) Square root of 4x² is 2x(product of square root of 4 and square root of x²)
3) square of 25 is 5
4) 4x² + 20x + 25
The general formula for solving quadratic equations is expressed as
x = [- b ± √(b² - 4ac)]/2a
From the equation given,
a = 4
b = 20
c = 25
Therefore,
x = [- 20 ± √(20² - 4 × 4 × 25)]/2 × 4
x = [- 20 ± √(400 - 400)]/8
x = [- 20 ± 0]/8
x = - 20/8
x = - 2.5
Answer:
SURFACE AREA: 21.02
VOLUME: 6.396
Step-by-step explanation:
SURFACE AREA:
2x2.4x1.6=7.68
2x1.6x1.3=4.16
2.4x1.3=3.12
2x1.5x1.3=3.9
2x1/2x2.4x0.9=2.16
7.68+4.16+3.12+3.9+2.16=21.02
VOLUME:
2.4x1.3x1.6=4.992
1/2x0.9x2.4x1.3=1.404
4.992+1.404=6.396
Answer:
9/4 ÷ 7/2
9/4 × 2/7
9/14
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