What is the answer to divide 7/15 by 3/5

2 answers:

8 0

You would flip 7/15 to its reciprocal to get 15/7 and multiply it by 3/5
to get 45/35 and if you simplify it you will get 9/7 as your answer

8_murik_8 [283]3 years ago

4 0

7/15 / (3/5)

Flip the 2nd fraction and multiply:

7/15 * 5/3

Multiply the numerators and denominators together:

35/45

Divide 5 to the numerator and denominator:

35 / 5 = 7
45 / 5 = 9

7/9

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Question 4 Given: f(x) = -3x – 3 and g(x) = x2 + 5 Find (f - g) ().

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Answer:

We get $\mathbf{(f-g)(x)= -x^2-3x-8}$

Step-by-step explanation:

We are given:

$f(x) = -3x - 3\\ g(x) = x^2 + 5$

We need to find (f-g)(x) (assuming there is x in the bracket, i.e. (f - g) () should be (f-g)(x))

We would simply subtract f(x) and g(x)

$(f-g)(x)\\= -3x-3-(x^2+5)\\Multiply\:minus\:sign\:with\:terms\:inside\:the\:bracket\\=-3x-3-x^2-5\\Combining\:like\:terms:\\=-x^2-3x-3-5\\=-x^2-3x-8$