What is 4/ 3/5 plz help now I need it

Mathematics

2 answers:

arsen [322]4 years ago

8 0

Answer: 20/3

Step-by-step explanation:

4/1 ÷ 3/5

4/1 ÷5/3

= 2-/3

wlad13 [49]4 years ago

3 0

Answer:

6 2/3

Step-by-step explanation:

Edgenuity

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Pls help. Multiply 2/3×7/12×9/14

worty [1.4K]

Answer:

$\frac{1}{4}$

Step-by-step explanation:

Approach 1 (trickier)

$\frac{2}{3}*\frac{7}{12}*\frac{9}{14}\\ \\ \frac{2*7*9}{3*12*14}\\ \\ \frac{126}{504}\\ \\\frac{1}{4}$

Approach 2 (easier)

$\frac{2}{3}*\frac{7}{12}*\frac{9}{14}\\\\\frac{2}{14}*\frac{7}{12}*\frac{9}{3}\\ \\ \frac{1}{7}*\frac{7}{12}*3\\ \\ \frac{1}{12}*3\\ \\ \frac{3}{12}\\ \\\frac{1}{4}$

6 0

3 years ago

Read 2 more answers

Which equation is the inverse of y = 100 – x2? A.y= +or- sqrt 100-x A. is the correct answer

GREYUIT [131]

I hope this helps you

100-y=x^2.

x= square root of 100-y

y^-1= square root of 100-x

4 0

3 years ago

Given the directrix of y = 6 and focus of (0, 4), which is the equation of the parabola?

krok68 [10]

$y = \frac{1}{24} x^{2}$

Step-by-step explanation:

Since directrix is a horizontal line, this is a regular vertical parabola, where the x part is squared. The equation of a vertical parabola is:

(x - h)² = 4p(y - k)

where,

(h,k) are the coordinates of the vertex

p = distance from the vertex to the focus

So, we need to find out h, k and p and plug those values :

We know that the vertex of a parabola is halfway between focus and the directrix . We know the focus (0,4) and directrix y = 6 therefore, vertex (h,k) = (0, 0)

Now, p = distance from the vertex to the focus

= distance from the (0,0) to the (0,4)

= 4

Plug all the values in equation:

$(x-0)^{2} = 4(4)(y-0)\\x^{2} = 24y$