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2 years ago

Which of the following ratios is not equivalent to the other three 2/3 4to6 8to12 4/5

Mathematics

1 answer:

balu736 [363]2 years ago

7 0

Answer:

The non-equivalent ratio is 4:5.

Step-by-step explanation:

2/3 4/6 and 8/12 are equivalent because they are all multiples of each other.

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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:

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

8 0

2 years ago

Read 2 more answers

Pj will begin her cake deliveries at 12:20. She asked me to remind her 30 minutes befor she has to leave. What time should I rem

Leto [7]

Answer:

11:50

Step-by-step explanation:

Go back 40 min before 12:20

6 0

2 years ago

Can someone help me please

inna [77]

Replace x with -2 and solve:

A) -2 + -2 = -4 which is not less than or equal to -8

B) 2 + -2 = 0, this is greater than or equal to -8

C) -2 + -2 = -4, this is not less than -8

D) 2 + -2 = 0, this is not greater than 8

Answer: B is true

8 0

1 year ago

Rozalie spent $26 at a parking garage in downtown Orlando. The garage charged a base free of $7.50 for the first hour and a hour

bagirrra123 [75]

ANSWER : Rozalie spent 6.73 hours at the garage

rate of change = $2.75
base fee = $7.50

set up your equation:
2.75h + 7.5 = 26
($2.75/hour plus the base fee of $7.50 equals the total amount spent, $26)

Now just solve for h

2.75h + 7.5 = 26
2.75h = 18.5
h = 6.727273 (rounded)
h = 6.73

So the answer would be Rozalie spent about 6.73 hours at the garage.

6 0

2 years ago

The sum of two consecutive even numbers is 98. Find the two numbers.

Rashid [163]

Answer:

48 and 50

Step-by-step explanation:

Divide 98 by 2,when you get your answer which is 49,you look for the even numbers before 98 and after 98 which is 48 and 50.When you add the two,you should get 98.

3 0

2 years ago