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LenaWriter [7]
2 years ago
7

Help please due later today.....

Mathematics
2 answers:
Stells [14]2 years ago
6 0

Answer:

a- the sum = 0.0031

b- the fly is 0.0013 grams heavier

Gnesinka [82]2 years ago
3 0

Answer:

Step-by-step explanation:

a).

2.2 × 10^{-3} + 9 × 10^{-4} =

2.2 × 10^{-3} + 0.9 × 10^{-3} =

( 2.2 + 0.9 ) × 10^{-3} = <em>3.1 × </em>10^{-3}

b).

2.2 × 10^{-3} - 9 × 10^{-4} =

2.2 × 10^{-3} - 0.9 × 10^{-3} =

( 2.2 - 0.9 ) × 10^{-3} = <em>1.3 × </em>10^{-3}

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I need the answer pls help!
valina [46]

Answer:

x = ± 7

Step-by-step explanation:

Given

(2x - 1)(3x + 2) = x + 292 ← expand left side using FOIL

6x² + x - 2 = x + 292 ( subtract x from both sides )

6x² - 2 = 292 ( add 2 to both sides )

6x² = 294 ( divide both sides by 6 )

x² = 49 ( take the square root of both sides )

x = ± 7

That is x = - 7, x = 7

7 0
4 years ago
Find the LCM of 98 and 182.
LUCKY_DIMON [66]

Answer:

LCM = 1274

Step-by-step explanation:

98 = 2 × 7²

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LCM(98 ; 182) = 2 × 72 × 13 = 1274

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3 years ago
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3 years ago
The difference of 9 times a number and 2 is 67. Write an equation that can be used to find the unknown number?
pochemuha
9x - 2 = 67
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3 0
3 years ago
If the volume of a sphere is 660 mm, what is the radius of the sphere, to the nearest tenth of a millimeter?
n200080 [17]

Answer:

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