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3 years ago

8

9 less than three times a number is 40

1 answer:

Zarrin [17]3 years ago

3 0

Is this asking? Also does this have answer choices?

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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

If m DBC = 25x+ 7 and m TBC = 12x+ 5 =, find the degree measures of TBC, DBT, and DBC.

AlladinOne [14]

I honestly don't know any of this so

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2 years ago

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19.4mm what the lower bound correct to 1dp

padilas [110]

Answer:

The lower bound of 19.4 is 19.35

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2 years ago

Helen had $12 but spent $3 of it. What per cent did she spend?

Scrat [10]

Answer:

25%

Step-by-step explanation:

3/12 = 0.25 = 25%

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1 year ago

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What is 103 + 343 + 252

zmey [24]

Answer:

its 698...............................

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2 years ago