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nasty-shy [4]
3 years ago
12

Help me with these questions

Mathematics
1 answer:
DerKrebs [107]3 years ago
6 0
 9 c 10 b 11 b 12a 13 c 14 d 15 d 16c  17   a or c 
 18 b 19 d 20 is b
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If 7.29/9=0.81 then the quotient of 7.29/90 is 0.081. Use place value reasoning to explain the placement of the decimal point.
pochemuha
Who how who how who how who how Who how who how who how who how
5 0
3 years ago
Point I is on line segment HJ. Given H I = x, H J = 3x – 9, and
Igoryamba

Answer:

HJ = 33

Step-by-step explanation:

Given that point I is on segment HJ, then

HJ = HI + IJ ← substitute values

3x - 9 = x + x + 5, that is

3x - 9 = 2x + 5 ( subtract 2x from both sides )

x - 9 = 5 ( add 9 to both sides )

x = 14

Hence

HJ = 3x - 9 = (3 × 14) - 9 = 42 - 9 = 33

6 0
3 years ago
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Around which line would the following cross-section need to be revolved to create a sphere?
masya89 [10]

Answer:

rotating around  y = 1 will make the sphere.

Step-by-step explanation:

3 0
3 years ago
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3-x-3x=5 <br> how is it -0.5 THATS what Photomath says but I don’t get how
777dan777 [17]

Answer:

Step-by-step explanation:

3-x-3x=5

first combine like terms

3-4x=5

-4x=2

divide each side by -4

x=2/-4 or -1/2 or -0.5

5 0
3 years ago
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NEED HELP ASAP. A garden in the shape of an equilateral triangle measures 6 feet on each side. An irrigation hose runs from one
Step2247 [10]

Answer:

Find the length of the hose = 5.2 feet

Step-by-step explanation:

The garden is divided into two similar triangle.

The hose divided one side of the triangle to two equal parts.

Side a = 6ft

Side b = 3ft

Side c = ? (length of hose)

a² = b² + c²

6² = 3² + c²

36 = 9 + c²

27 = c²

√27 = c

5.196 = c

8 0
3 years ago
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