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BlackZzzverrR [31]
2 years ago
14

If a+b = -0.5 and ab = -2 , then what is 4a^3+9b?

Mathematics
1 answer:
m_a_m_a [10]2 years ago
5 0

Answer:

pls be more cleare

Step-by-step explanation:

type the question properly and clearly

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Is 1,000 a rational number or a irrational or is it a whole number ?
ad-work [718]

Answer:

1,000 is both a rational number and a whole number.

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Thank You!!

3 0
3 years ago
Which expression is equivalent to (-3)x+ (-3) (-12)?
julia-pushkina [17]

Answer:

A

Step-by-step explanation:

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6 0
2 years ago
6. Explain why <1 = <2.
slavikrds [6]

Step-by-step explanation:

Since AC=BE & DE=DC

then measure angle <CAD=<EBD =X

Then< DAB =90-x

And <ABD= 90-X

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8 0
2 years ago
What is 3 tenths more than 8.154 ? What is 2 and 2 tenths more than 1.425? Explain please !
Anna11 [10]
8.454 is 3 tenths more than 8.154
3.625 is 2 and 2 tenths more than 1.425

Place values after the decimal point are tenths, hundredths, thousandths, ten thousandths...so on.

So 3 tenths looks like this 0.30 ⇒ 3 is in the tenths place. When you say 3 tenths more, it is a clue that the operation to be done is addition. thus,

   8.154
<u>+ 0.30
</u>   8.454   * in addition or subtraction, the decimal points must be aligned to avoid confusion. 

2 and 2 tenths is like this 2.20 ⇒ 1st 2 is in the ones or units place and the 2nd 2 is in the tenths place. Again it states more than so addition must be done.
 
   1.425
<u>+ 2.20</u>
   3.625
<u>

</u>
6 0
2 years ago
Read 2 more answers
Kelly buys a sweater for $16.79 and a pair of pants for $28.49. She pays with a $50 dollar bill. How much change should kelly ge
snow_tiger [21]
Kelly should get back $6.72.

To get this answer, start by adding 16.79 and 28.49. The answer you should get is 45.28. Next, subtract 45.28 from 50 and your total should be 6.72. Hope this helped!
5 0
3 years ago
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