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g100num [7]
2 years ago
5

SOLVE. (4a-5)÷(6a²+30a)+(a-1)÷(6a²+30a)

Mathematics
1 answer:
Lady bird [3.3K]2 years ago
4 0
180a^3+900a^3+4a-5
__________________   + a-1/ 6a^a
          6a ( a+ 5)
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Help me pls and be serious or I’ll hurt u
GREYUIT [131]

Answer:

-9

Step-by-step explanation:

Khan Academy huh? Well, the answer's -9.

-7 = -9 + 2

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3 years ago
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At the start of the week a bookshop had science and art books in the ratio 2:5. By the end of the week, 20% of each type of book
Anastaziya [24]
Let there be 2x science and 5x art books 
<span>science books sold = 2x × 0.2 = 0.4x </span>
<span>science books unsold = 2x – 0.4x = 1.6x </span>

<span>art books sold = 5x × 0.2 = x </span>
<span>art books unsold = 5x – x = 4x </span>

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<span>2x science = 800 </span>
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3 years ago
How do you multiply fractions and express product in simplestform.
vagabundo [1.1K]
You just multiply top times top and bottom times bottom and then find a number you can divide into the number and you keep doing that until you can't simplify any more.
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3 years ago
Find the total cost of 5 bales of hay at $2.75 per bale and 2 bags of potatoes at $2.90 per bag.
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Answer: $19.55

Step-by-step explanation:

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3 years ago
FOR BRAINLIEST<br> Express 0.64 as a fraction in lowest terms.<br> 5/32<br> 64/10<br> 16/25<br> 4/5
Nadusha1986 [10]

Answer:In its decimal form, it says  ' 64 / 100 '.

In order to change it to its lowest terms, we look to see whether the

numerator and denominator have a common factor greater than ' 1 '.

If they do, then we can divide numerator and denominator by their

common factor, and have the same fraction in lower terms.

The common factors of  64  and  100  are  1,  2, and  4 .

We could divide top and bottom by 2, but that wouldn't finish the job.

It's always best to divide them by their greatest common factor, and

once you do that, you're done.

Dividing the numerator and denominator both by  4,

we get the fraction in its lowest terms:

        0.64  =  64/100  =  16/25

Step-by-step explanation:

7 0
2 years ago
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