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4 years ago

Solve the inequality and identify solution. Please help. 5x-4>-4

Mathematics

1 answer:

Rudik [331]4 years ago

3 0

Answer:

x > 0

Step-by-step explanation:

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Hii can someone explain to me how to do this? tyvm

Snezhnost [94]

Step-by-step explanation:

it's late but I hope it helps :)

imagine that the > symbol is just an equal sign

so for example

x+2>4

will look like

x+2=4

and you solve normally

×=2

now we bring the symbol back

x>2

but if you multiple or divide by a negative the sign flips

so say you have

-2x>4

make it into

-2x=4

solve

x=-2

but instead of >

you put

x < -2

5 0

3 years ago

What are the x- and y-coordinates of point C, which partitions the directed line segment from A to B into the ratio 5:8? Round t

Fantom [35]

Answer:

(1.2, –4.7)

Step-by-step explanation:

Since in the question it is mentioned that on the plane of coordinate, a line is made from point A (7,-2) to point B(-8,-9)

Also, the ratio of A to B is 5:8

Based on this, the x and y coordinates at point C is

$= [\frac{5\times (-8) + 8\times 7}{5 + 8} , \frac{5\times (-9) + 8\times -2}{5 + 8}]\\\\= [\frac{16}{3}, \frac{-61}{13}]$

= (1.2, –4.7)

Hence, the x and y coordinates of point C is (1.2, –4.7)

Therefore the last option is correct

4 0

3 years ago

What is the value of |-25|?

victus00 [196]

Answer:

Step-by-step explanation:

|-25| means the absolute value of -25

The absolute value means how far a number is away from zero without consideration of whether or not the number is positive or negative, so the answer would be 25.

4 0

3 years ago

Grace is going to a carnival that has games and rides. Each game costs $1.50 and each ride costs $2.50. Grace spent $16.50 altog

Rama09 [41]

Answer:

Number of Rides: $5.5R = 16.5$

Number of Games: $1.5G = 9$

Step-by-step explanation:

Given

Represent the games with G and the Rides with R

$G = 1.50$ -- cost

$R = 2.50$ --- cost

$Total = 16.50$ -- cost

Required

Represent the system using an equation

The equation can be represented as follows;

$G + R = Total$

Assume She plays G games and had R rides, we have

$1.5G + 2.5R = 16.5$

Since she plays twice as much games as rides,

This implies;

$G = 2R$

So, we have

$1.5 * 2R + 2.5R = 16.5$

$3R + 2.5R = 16.5$

$5.5R = 16.5$ --- This equation can be used to solve for Number of Rides

Solving further

$R =16.5/5.5$

$R =3$

Substitute 3 for R in $1.5G + 2.5R = 16.5$

$1.5G + 2.5 * 3 = 16.5$

$1.5G + 7.5 = 16.5$

Solve for 1.5G

$1.5G = 16.5 - 7.5$

$1.5G = 9$ --- This equation can be used to solve for Number of Games

Solving further

$G = 9/1.5$

$G = 6$

5 0

3 years ago

If 3/8" equals 3 ft, what does 5/8" equal

Free_Kalibri [48]

If 3/8 equals 3 ft, then i would assume that 5/8 equals 5 ft.

7 0

3 years ago