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melisa1 [442]
3 years ago
6

Anybody understand this? (and can explain it to me?)

Mathematics
1 answer:
timama [110]3 years ago
8 0

Answer:

I can't read .u can post the question on comments and I will help u ok

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What is 9,349 rounded to the nearest thousand?​
zlopas [31]

Answer:

9000

Step-by-step explanation:

since the hundreds value is under 5, you round down and it will round the thousands value to 9000

3 0
3 years ago
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What’s the surface area of the prism in square inches? A.300 B.360 C.390 D.460 helpppppp
butalik [34]

Answer:

2) 360 square inches

Step-by-step explanation:

First of all we have to verify that the base triangle is a right triangle

For this we use Pythagoras

h² = l1² + l2²

13² = 12² + 5²

169 = 144 + 25

169 = 169

Equality is fulfilled by what is a right triangle

Now we need to calculate the area of ​​the triangle

a = (12 in * 5 in) / 2

a = 60in² / 2

a = 30in²

 

Now we have to calculate the 3 areas of the rectangles

a1 = 10in * 13 in

a1 = 130in²

a2 = 10 in * 12 in

a2 = 120in²

a3 = 10 in * 5 in

a3 = 50in²

Now we must add all the calculated areas and the triangle 2 times

a1 + a2 + a3 + 2a =

130in² + 120in² + 50in² + 2 * 30in²

360in²

The surface area of the prism is 360in²

5 0
2 years ago
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Billy wants to buy a $1250 drum set and the
nadya68 [22]

Answer:

LOL i don't even know

Step-by-step explanation:

8 0
2 years ago
Match the x-coordinates with their corresponding pairs of y-coordinates on the unit circle.
Sergio [31]

In mathematics, a unit circle is a circle of unit radius—that is, a radius of 1. Frequently, especially in trigonometry, the unit circle is the circle of radius 1 centered at the origin (0, 0) in the Cartesian coordinate system in the Euclidean plane.

8 0
2 years ago
A circle has a diameter of 42 mm. What is the circumference of this circle? (use 22/7 for pi; show your work in numbers)
stellarik [79]

Answer:

132

Step-by-step explanation:

Find Radius (r)

42/2 = 21

Plug 21 into Circumference Equation

2πr (In this case, π is 22/7)

Simplify

42 (22/7)

<u>132</u>

8 0
3 years ago
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