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34kurt
3 years ago
7

MANNY HAD $87.54 in his checking account he wrote a check for $32.95 how much moeny did he have left in his account BTW I'm a 5t

h grader and tell me if I subtract or add
Mathematics
2 answers:
andrezito [222]3 years ago
5 0
You have to subtract it because the problem said "how much money did he left in his account" the answer will be $54.59
kvasek [131]3 years ago
4 0
When you write a check you are taking money out of your bank account so you subtract

87.54-32.95=54.59
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3.844 times 106 kilometers
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What is the value of 2 in 5,678.321
pogonyaev
It would be 2 hundredths
5 0
3 years ago
Is the following relation a function? {(0.3, 0.6), (0.4, 0.8), (0.3, 0.7), (0.5, 0.5)}
Readme [11.4K]

Answer:

no

Step-by-step explanation:

To be a function, the x values must correspond to one and only one y value.

In the coordinates given, (0.3, 0.6) and (0.3, 0.7) have the same x- value.

That means that they cannot be a function.

7 0
4 years ago
The length, width, and height of a rectangular box are represented by 2x, 3x + 1, and 5x - 6, respectively. When the volume is e
natali 33 [55]

Answer:

The coefficient of the 2nd term is - 26

Step-by-step explanation:

  • <em>Standard form of polynomial means its terms are ordered from greatest exponent to smallest exponent </em>
  • <em>The leading coefficient in polynomial is the coefficient of the first term in a polynomial in standard form</em>

∵ The length, width, and height of a rectangular box are

    represented by 2x, 3x + 1, and 5x - 6

∴ l = 2x , w = 3x + 1 , h = 5x - 6

The formula of the volume of a rectangular box is V = l × w × h

∵ V = 2x(3x + 1)(5x - 6)

- multiply the two brackets at first

∵ (3x + 1)(5x - 6) = (3x)(5x) + (3x)(-6) + (1)(5x) + (1)(-6)

∴ (3x + 1)(5x - 6) = 15x² + (-18x) + 5x + (-6)

- Add the like terms

∴ (3x + 1)(5x - 6) = 15x² + (-18x + 5x) + (-6)

∴ (3x + 1)(5x - 6) = 15x² + (-13x) + (-6)

- Remember (-)(+) = (-)

∴ (3x + 1)(5x - 6) = 15x² - 13x - 6

Substitute it in V

∴ V = 2x(15x² - 13x - 6)

- Multiply each term in the bracket by 2x

∴ V = 2x(15x²) - 2x(13x) - 2x(6)

∴ V = 30x³ - 26x² - 12x ⇒ in standard form

∵ The second term in the polynomial is - 26x²

∴ Its coefficient is - 26

∴ The coefficient of the 2nd term is - 26

3 0
3 years ago
Is 0.62 a rational number?
dimaraw [331]

A rational number is any number that can be written <em>as a ratio of two integers</em>.

0.62 fits the bill, as it can be written as the ratio 62/100 (or simplified to the ratio 31/50)

7 0
4 years ago
Read 2 more answers
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