3 years ago

PLEASE GUYS HELP ME :D

Mathematics

1 answer:

Debora [2.8K]3 years ago

7 0

The answer is 24 because you have to do 6x4=24

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Vesna [10]

Simple division. 269/48=5.60416666667. You probably cannot put decimals, so round to 6.

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Which number produces a rational number when added to 0.5 ?

tia_tia [17]

<span>Which number produces a rational number when added to 0.5 ?</span>

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Are 5/3 and 1 2/3 equivalent?

Semmy [17]

Answer:

Yes.

Step-by-step explanation:

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Which expression is equivalent to x^4 + 4x^2 - 45?

Nikitich [7]

Answer:

$( {x}^{2} - 5)( {x}^{2} + 9) = 0$

Step-by-step explanation:

The given expresion is

${x}^{4} + 4 {x}^{2} - 45 = 0$

We can rewrite this as:

$({ {x}^{2}) }^{2} + 4 {x}^{2} - 45 = 0$

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Let us split the middle term to get:

$({ {x}^{2}) }^{2} + 9 {x}^{2} - 5{x}^{2} - 45 = 0$

We factor by grouping to get:

${x}^{2} ( {x}^{2} + 9) - 5( {x}^{2} + 9) = 0$

We factor further to get:

$( {x}^{2} - 5)( {x}^{2} + 9) = 0$

The correct answer is A.

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3 years ago

Ned has 55 marbles in his collection he has twice as many white marbles as red marbles he has five more blue marbles than white

nika2105 [10]

Answer:

7 marble's

Step-by-step explanation:

55 marbles and twice as many white marbles as red marbles and he has 5 more blue marbles than white marble's

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