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Jlenok [28]
3 years ago
8

A student concluded that the inequality -3+2y<4x is equivalent to the inequality y>2x+3/2, as shown below. Describe and co

rrect the students error
Mathematics
1 answer:
svlad2 [7]3 years ago
4 0

Step-by-step explanation:

-3+2y<4x

then

2y< 4x+ 3 (add both sides with 3)

y < 2x +3/2 ( divide both sides by 2 that is positif and we do not change the sens < )

Hope you understand.

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The width of a DVD case is the same as the width of a
konstantin123 [22]

Answer:

12m

Step-by-step explanation:

Given that the area of the square  DVD case is 144 square cm

Since Area = L²

144 =L²

L = √144

L = 12m

Since the width of the DVD and its case are the same, hence the with of the DVD is also 12m

5 0
3 years ago
For the basic function f(x)=x, what conclusions can you make about f(x) and f(x)-5? Select all that apply.
babunello [35]

Answer:The ansewers are c and d.

Step-by-step explanation:

The function f(x)=x is really y=x.

7 0
3 years ago
Which of the following has a specific definition in geometry?
finlep [7]

Answer:

a line

Step-by-step explanation:

In geometry, we can define a line as a straight one- dimensional figure without thickness but extends infinitely in both directions.

If we are to put it into more understandable words, we can describe a line as the shortest distance between any two points.

A line has a specific definition in geometry. Every other option listed do not have specific definition in geometry.

3 0
3 years ago
The dimensions of a solid block of cheese in the shape of a triangular prism are shownbelow.6.9 cm9.9 cm5.1 cm. Which of the fol
r-ruslan [8.4K]

Answer:

175 cm

Step-by-step explanation:

8 0
3 years ago
What are the solutions of x^2+6x=10
posledela

Answer:

x=-3+√19, x=-3-√19

Step-by-step explanation:

x^2+6x=10

x^2+6x-10=10-10

x^2+6x-10=0

a=1 b=6 c=-10 - use the quadratic formula

x=-3+√19, x=-3-√19

I hope this helps!

4 0
3 years ago
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