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3 years ago

If P(x): x < |2x|. b) What is the value of ∃x P(x)?

Mathematics

1 answer:

galina1969 [7]3 years ago

6 0

Answer:

true

Step-by-step explanation:

because some of x if x=3 then 3<6 is true

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There are at most 36 red and blue marbles in a bag. the number of red marbles in twice the number of blue marbles. Write and sol

Mila [183]

Do 36 times 2 and you should get the answer for red marbles or... Mainly the answer is 72... Your welcome...!!!

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3 years ago

Jim's work evaluating 2 (three-fifths) cubed is shown below. 2 (three-fifths) cubed = 2 (StartFraction 3 cubed Over 5 EndFractio

sammy [17]

Answer:

Jim's error is " He did not multiply Three-fifths by 2 before applying the power "

Step-by-step explanation:

Jim's evaluating expression is $2(\frac{3}{5})^3$

To verify Jim's error :

Jim's steps are

$2(\frac{3}{5})^3$

$=2(\frac{3^3}{5})$

$=2(\frac{3\times 3\times 3}{5})$

$=2(\frac{27}{5})$

$=\frac{54}{5}$

Therefore $2(\frac{3}{5})^3=\frac{54}{5}$

Jim's error is " He did not multiply Three-fifths by 2 before applying the power "

That is the corrected steps are

$2(\frac{3}{5})^3$

$=2(\frac{3^3}{5^3})$ ( using the property $(\frac{a}{b})^m=\frac{a^m}{b^m}$ )

$=2(\frac{3\times 3\times 3}{5\times 5\times 5})$

$=2(\frac{27}{125})$

$=\frac{54}{125}$

$2(\frac{3}{5})^3=\frac{54}{125}$

6 0

3 years ago

Read 2 more answers

Determine the distance between -3 and 6.

vitfil [10]

Answer:

9 units

Step-by-step explanation:

$distance = 6 - ( - 3) = 6 + 3 = 9 \: units$

4 0

3 years ago

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Elsa plans to save $4 each week from her allowance. Elsa's Cousin Sara had seven dollars saved from her birthday and also plans

Licemer1 [7]

Answer:

sara will have 215.00. Sara already had 7.00 saved. 208 + 7= 215.00

Elsa will 208 dollars

Step-by-step explanation:

52 weeks in a year.

52x4 = 208

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4 years ago

Question 1 (1 point) How many terms are in the polynomial? 3x3 + 4x2 - 8x - 5 3 4 7

yKpoI14uk [10]

Answer:

Step-by-step explanation:

The polynomial 3x^3 +4x^2 -8x -5 has 4 terms. A term is a product or single variable or constant separated from other terms by a plus or minus sign.

The four terms are ...

3x^3
4x^2
-8x
-5

7 0

4 years ago

If P(x): x < |2x|. b) What is the value of ∃x P(x)?​

If P(x): x < |2x|. b) What is the value of ∃x P(x)?