What is 1/5 times 10x?

Mathematics

2 answers:

grigory [225]3 years ago

8 0

Answer:

Step-by-step explanation:

10x/5 is the same as 1/5 times 10x.

Simplify to get 2x

vekshin13 years ago

6 0

Answer:

Step-by-step explanation:

1/5 * 10x

Rewriting

10/5 *x

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X²=14x-45 step by step please

dolphi86 [110]

Answer:

X=9 and X=5

Step-by-step explanation:

So you want to get one side to equal zero so you can factor and find x. I recommend subtracting 14x and adding 45 to both sides so you don't have to deal with a negative quadratic.

X^2 - 14X +45 = 0

Now you can factor. Your looking for two factors that equal 45 and add to -14

All factors of 45:

1 and 45, 3 and 15, 5 and 9, -1 and -45,

-3 and -15, -5 and -9

So out of those combinations -5 and -9 both multiply to 45 and add up to -14 so these are our common factors

(X-5)(X-9)=0

X-5=0 add 5 to both sides X=5

X-9=0 add 9 to both sides X=9

5 0

2 years ago

Which expression is equivalent to -6(3x-2/3)

Fiesta28 [93]

Answer:

Solution given:

-6(3x-⅔)

distribute it

-18x+6*⅔

-18x+4 is a required answer.

3 0

2 years ago

What is -7x3(4+-5)=

nlexa [21]

$\text{Hey there!}$

$\bf{-7\times(4+(-5))}$

$\bf{First, you\ need\ to\ do \ is\ PEMDAS}\\\\\\\text{Parentheses, Exponents, Multiplication, Division,Addition\ \& Subtraction}$

$\bf{ -7\times3(4+(-5))}\\\bf{-7\times3=-21}\\\bf{-21(4+(-5))}\\\bf{4+(-5)= -1}\\\bf{-21\times-1=21}\\\\\boxed{\boxed{\bf{Answer: 21}}}\checkmark$