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3 years ago

Use the order of operations to evaluate the expression (-8X14)-(-2X-10)

Mathematics

1 answer:

Leviafan [203]3 years ago

6 0

Answer:

the order of operations is .called BODMAS rule

B.brackets

O.of

D.division

M.multiplication

A.addition

S.subtraction

Step-by-step explanation:

= (-112)-(20)

= -132

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Solve the simultaneous equations

NeTakaya

Answer:

y = 2, x = -1

Step-by-step explanation:

2y - 5x = 9

2y = 9+5x

y = (9+5x) /2

4y + 3x = 5

4((9+5x) /2) + 3x = 5

13x + 18 = 5

13x = -13

x = -1

y = (9+5x) /2

y = (9+5(-1)) /2

y = 2

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uysha [10]

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The answer is 14.

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3 years ago

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UkoKoshka [18]

Answer:

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3 years ago

Addison plays 1/8 of a song in 1/2 of a minute. How many minutes will he need to play a full song/

Naya [18.7K]

Answer:

4 minutes

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3 years ago

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What is the value of the expression 1/4 ^-3?

zloy xaker [14]

$(\frac{1}{4})^{-3}= (\frac{4}{1})^3\\\\=(4)^3\\\\=4\times 4\times 4\\\\=16\times 4\\\\=64$

Your final answer is B. 64.

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