9/4 = blank divided by 4 please help- what is blank

Mathematics

2 answers:

Mashcka [7]3 years ago

6 0

Answer:

Step-by-step explanation:

You gave the answer right in your question

Anna35 [415]3 years ago

5 0

Is is asking what is divided by 4 to equal 9/4( 9 over 4)

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Lucía makes braided key chains out of cotton cord. For every 8 feet of cotton cord she has, she can make 3 braided key chains. P

asambeis [7]

Lucía needs 13.33 feet of cotton.

Since Lucía makes braided key chains out of cotton cord, and for every 8 feet of cotton cord she has, she can make 3 braided key chains, to represent the relationship between the feet of cotton cord and the number of key chains and find the number of feet of cotton cord Lucia needs to make 5 key chains, the following calculations must be performed, through a cross multiplication:

8CC = 3KC
3 = 8
5 = X
5 x 8/3 = X
40/3 = X
13.33 = X

Therefore, Lucía needs 13.33 feet of cotton.

Learn more in brainly.com/question/13019339

7 0

2 years ago

Write inequalities to describe the solid left (x < 0 is left) hemisphere of a sphere of radius 4 centered at the origin

Serggg [28]

The equation of the sphere centered at 0, and radius 4 is:

$\displaystyle{ x^2+y^2+z^2=4^2$ ,

note that this equation describes exactly the points of the surface of the square. That is, this is an EMPTY sphere.

The solid sphere, that is the points on the surface and all points in the inside, are given by :

$\displaystyle{ x^2+y^2+z^2 \leq 4^2$

since we want the left part of the solid part, picture 2, we add the condition x<0,

thus "the solid left (x < 0 is left) hemisphere of a sphere of radius 4 centered at the origin" is given by the system of inequalities:

$i) \displaystyle{ x^2+y^2+z^2 \leq 4^2$
$ii)x\ \textless \ 0$