What is the value of x

Mathematics

1 answer:

harina [27]3 years ago

8 0

Answer:

x=5.4

by comparing A and B.....u will have

7.2=4

x =3

cross multipleing

7.2*3/4=5.4

just an option

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Two number that have a sum of 45 twice the greater number is six more than 5 times the lesser number

qaws [65]

The numbers will be X and Y with X being the lesser
x+y=45
2y=5x+6
now use a subtraction method to solve
x+y=45
y=45-x

2 (45-x)=5x+6
90-2x=5x+6
-7×=-84
x=12

y=45-12
y=33
so, x=12 and y=33

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4 years ago

She has 10,000 glass beads that have a diameter of 0.4 cm.If she strings these beads end to end, how long will her necklaces be?

faltersainse [42]

As given,

The diameter of one glass bead = 0.4 cm

As the beads are stringed/attached end to end that means a straight line of beads (diameter) can be imagined and adding up all the diameters or multiplying the diameter with total number of beads, we can get the total length of the necklace.

Hence, the length can be found as =

$10000\times0.4=4000$ cm