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3 years ago

How many 1/10 are in 3?

Mathematics

2 answers:

prohojiy [21]3 years ago

8 0

30 because if you multiply this and 1 / 10 together you get 30/10 or just 3

Agata [3.3K]3 years ago

6 0

There are 30
1/10=o.1
and 3/0.1 = 30

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QveST [7]

Answer:

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3 years ago

What is 1 4/5 * 12 equal to

Ilia_Sergeevich [38]

The answer could be 48/5 or 9 and 3/5 or 9.6 These all mean the same exact thing. You get the answer by multiplying 12/1 and 4/5 to get 48/5.

3 0

3 years ago

Simplify completely x^2+7x-30/x+10

marta [7]

Answer:

(x-3)

Step-by-step explanation:

we have

$\frac{x^{2}+7x-30}{x+10}$

step 1

Simplify the numerator

Complete the square

Equate the equation to zero

$x^{2}+7x-30=0$

$x^{2}+7x=30$

$x^{2}+7x+3.5^{2}=30+3.5^{2}$

$x^{2}+7x+12.25=42.25$

Rewrite as perfect squares

$(x+3.5)^{2}=42.25$

Take square root both sides

$(x+3.5)=(+/-)6.5$

$x=-3.5(+/-)6.5$

$x=-3.5(+)6.5=3$

$x=-3.5(-)6.5=-10$

therefore

$x^{2}+7x-30=(x-3)(x+10)$

substitute in the numerator

$\frac{x^{2}+7x-30}{x+10}=\frac{(x-3)(x+10)}{x+10}=x-3$

8 0

4 years ago

Solve for y:<br> -1/2=3/8y y=?<br> 10 points btw!<br> Also look at the picture

mihalych1998 [28]

Answer:-8/6=y

Step-by-step explanation:

You have to do KCF which means keep the number on the left or right left in this case, change the mark to a multiplication symbol, and then flip the other fraction which means 3/8 will be 8/3 and if you are looking for a mixed fraction asnwer would be -1 1/3 pls mark as brainliest if right

4 0

3 years ago

2+y+y+y+y+y+3 I need multiple answers plz and thanks

rodikova [14]

Answer:

5y + 5

5(y + 1)

Step-by-step explanation:

2+y+y+y+y+y+3 = 5y + 5 = 5(y + 1)

8 0

3 years ago

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