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3 years ago

Write in expanded form 72.864

Mathematics

1 answer:

Sergeeva-Olga [200]3 years ago

5 0

Answer:

70 + 5 + 8/10 + 6/100 + 4/1000

7*10 + 5*1 + 8*1/10 + 6*1/100 + 4*1/1000

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Answer:

Step-by-step explanation:

$~~~~~~4(3x-11) +23 = 5x -14\\\\\implies 12x -44 + 23 -5x +14 = 0\\\\\implies 7x-7=0\\\\\implies 7x = 7\\\\\implies x = \dfrac 77 \\\\\implies x = 1$

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2 years ago

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miskamm [114]

Answer:it might be D

Step-by-step explanation:

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3 years ago

A bookstore has marked down the price for all of the books in certain series by 15%. How much is the discount on a book that nor

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Answer:

Discount is $2.70

After-discount price is $15.30

Step-by-step explanation:

To get the after-discount price, multiply $18 by (1.00 - 0.15), or, in other words, multiply $18 by 0.85. The after-discount price is $15.30.

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3 years ago

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almond37 [142]

Do you speak English? If so I can help you in the comments!! Have a great day

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4 years ago

Solve. 2x2 + 14x = −24 A) x = 2, x = 3 B) x = 3, x = 4 C) x = −2, x = −3 D) x = −4, x = −3

Aleksandr [31]

Answer:

Answer is option d) x = -4 , x = -3

Step-by-step explanation:

$given \: equation \: is \\ 2 {x}^{2} + 14x = - 24 \\ 2 {x}^{2} + 14x + 24 = 0 \: \\ dividing \: this \: equation \: by \: 2 \: we \: get \\ {x}^{2} + 7x + 12 = 0 \\ by \: factorization \\ (x + 4)(x + 3) = 0 \\ x = - 4 \: \: \: \:( or) \: \: \: x = - 3$

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION 

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3 years ago