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Alika [10]
3 years ago
10

Solve the equation 3/4x - 5 = x give your answers correct to 2 decimal places

Mathematics
1 answer:
zmey [24]3 years ago
3 0

Answer:

3/4x - 5 = x

= -3/10 -> -0.15

2 Decimal places = 0.150

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Please help me with this question. only put the real answer down.
Angelina_Jolie [31]
Direct variations look like this (y = 3x_
Not direct variations (or inverse variations) look like this (y= 1/3x.) They are often in fraction form.

So, in your problem the direct variations are: 
y= 3x
x = -1
-0.5x = y
y= 2.2x +7
y= 4

The non-direct variations are:
y = 2/7x
7 0
3 years ago
Which pair of terms are not both true for the number 3? Mark Brainliest!
valkas [14]

Answer:

D

Step-by-step explanation:

3 is not irrational, it can be converted into a fraction (ratio) 3/1 quite easily

6 0
3 years ago
A girl wants to count the steps of a moving escalator which is going up. If she is going up on it, she counts 60 steps. If she i
Korvikt [17]
Hello,

Let's assume t the time for counting one step
V the girl velocity in t
v the escalator velocity in t
d the length to go upstairs

going up: V*60+v*60=d
walking down: V*90-v*90=d

so
V+v=d/60
V-v=d/90
2V=d*5/180
V=d*5/360
V=d/72
V*72=d The girl must count to 72 steps.(here v=0)
4 0
3 years ago
a bag contains 3 red 5 yellow and 7 purple marbles find the probability of drawing a purple marble followed by a red marble the
Likurg_2 [28]

Answer:

Required probability = 7/75.

Step-by-step explanation:

Probability(purple marble) = 7/15   (as there are 7 marbles out of a total of 15.)

Probability( red marble)  = 3/15 = 1/5.

So the probability of a purple being drawn followed by a red marble

= 7/15 * 1/5

= 7 /75   (answer).

Note: the 2 probabilities are multiplied because the 2 draws are independent of each other.

6 0
4 years ago
A map has a scale of 1:1 000 000. If you measure a distance of 23.5 cm on the map between two cities, how far apart are the citi
zloy xaker [14]
1:1000000\ means:\\1cm=1000000cm=10000m=10km\\\\23.5cm=23500000cm=235km\\\\Between\ this\ cities\ there\ is\ 235\ km.
5 0
3 years ago
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