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nikklg [1K]
3 years ago
6

Helppp me please...?.?)

Mathematics
2 answers:
butalik [34]3 years ago
8 0
The answer would be 16 because 40 divided by 5 is 8 and 8 times 2 is sixteen so it would be 16
sdas [7]3 years ago
8 0

Answer:16 ?

Step-by-step explanation:

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Find −5 5/6÷(−4 9/10). Write your answer as a mixed number in simplest form.
uranmaximum [27]

Answer: 1\dfrac{4}{21} .

Step-by-step explanation:

Given problem : \left(-5\dfrac{5}{6}\right)\div\left(-4\dfrac{9}{10}\right)

First we convert mixed fraction into improper fractions as

-5\dfrac{5}{6}=-\dfrac{5\times6+5}{6}=-\dfrac{30+5}{6}=-\dfrac{35}{6}\\-4\dfrac{9}{10}=-\dfrac{10\times4+9}{10}=-\dfrac{40+9}{10}=-\dfrac{49}{10}

Now , plug these values in the given expression , we get

\left(-5\dfrac{5}{6}\right)\div\left(-4\dfrac{9}{10}\right)=-\dfrac{35}{6}\div\left(-\dfrac{49}{10}\right)\\\\=\dfrac{-35}{6}\times\dfrac{-10}{49}\ \ \ [\text{By Property of fraction}]\\\\=\dfrac{350}{294}\\\\=\dfrac{25}{21}=1\dfrac{4}{21}

Hence, the answer is 1\dfrac{4}{21} .

8 0
3 years ago
From a 200-ton pile of coal, a conveyor belt removes
likoan [24]

Answer:

56 min

Step-by-step explanation:

8 0
3 years ago
The difference of 9 and a number n
liubo4ka [24]
9-n would be the proper equation
4 0
3 years ago
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Let f(x) = 4x2 + x + 1 and g(x) = x2 – 2
Juli2301 [7.4K]
To find  g (f(x))  you  should  substitute  "4x^2+x+1"   to  "x"  of  g(x)  function. You'll havew:

g(f(x))= (4x^2+x+1)^2-2=\\ \\ =(4x^2+x)^2 +2 \cdot (4x^2+x) \cdot 1 +1^2-2= \\ \\ = 16x^4+8x^3+x^2+8x^2+2x+1-2= \\ \\ = 16x^4+8x^3+9x^2+2x-1

To count (4x^2+x+1)^2  Just  assume  ( [4x^2+x] + 1)^2   and  use the (a+b)^2=a^2+2ab+b^2  formula, where a=4x^2+x  and  b=1
7 0
3 years ago
If f(x) = 3x and g(x)=2x, what is (gf)(x)?
PSYCHO15rus [73]

Answer: 6x

Step-by-step explanation:

we shall go right to left in the function

g(3x)

2(3x)

6x

7 0
3 years ago
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