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3 years ago

Find the difference using the number line!!!!!!!!!!!!! Help

Mathematics

1 answer:

Rzqust [24]3 years ago

7 0

The correct answer is 7.2

We can subtract 2 from 4, which is 2.

They're both in the same decimal place, so that is why they are affecting each-other.

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What is the distance between the two points (6,-2) and (-4,7)

grin007 [14]

Answer: the distance between these two points is 17

Step-by-step explanation:

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3 years ago

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2 years ago

Given ΔBAE is isosceles with base angles ∠BEA and ∠EBA and that ∠AEC = 115°, is ΔEBC ~ ΔAEC? If so, by what criterion?

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3 years ago

Lines l and m are parallel line i is represented by the equation 3x+4y=8 if line m passes through the point (2,-5) which equatio

Rus_ich [418]

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2 years ago

The radius of a cylinder gift box is box is 3X +1 inches the height of the gift box is twice the radius what is the surface area

Genrish500 [490]

Answer:

The surface area of the gift box is = $A = \frac{1188}{7}x^{2}+ \frac{774}{7}x +\frac{132}{7}$

Step-by-step explanation:

The surface area of the cylinder can be calculated using this formula:

$A=2\pi rh+2\pi r^2$

in this case, r is not a number, but rather an expression, which is r = $3x +1$ .

The height of the gift box is twice the radius, which is h = $2(3x+1)= 6x+2$

To get our curved surface area, we carefully put the expressions for h and r into the equation.

$A = 2 \times \frac{22}{7} \times (3x+1) \times (6x+2) + 2 \times \frac{22}{7} \times (3x+1)^{2}$

$A = \frac{44}{7} (3x+1) \times (6x +2) + \frac{44}{7} (9x^{2} + 6x +1)\\A =\frac{132}{7}x + \frac{44}{7} \times (6x+2)+ \frac{396}{7}x^{2}+\frac{246}{7}x +\frac{44}{7}$

$A = \frac{792}{7}x^{2} +\frac{264}{7}x +\frac{264}{7}x + \frac{88}{7} + \frac{396}{7}x^{2} + \frac{246}{7}x + \frac{44}{7}$

$A = \frac{1188}{7}x^{2}+ \frac{774}{7}x +\frac{132}{7}$

The surface area of the gift box is = $A = \frac{1188}{7}x^{2}+ \frac{774}{7}x +\frac{132}{7}$

5 0

3 years ago