3 years ago

How many solutions can be found for the equation 4X equals 4X

Mathematics

1 answer:

Liono4ka [1.6K]3 years ago

5 0

Infinitely many, because x can be anything and the equation will still be valid

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The perimeter of a triangle is 88. The sides have lengths d, e, and f. The ratio of e to d is 3:1, and the ratio of f to e is 10

mafiozo [28]

Answer:

30039283 d

Step-by-step explanation:

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4 years ago

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y varies directly as x and inversely as z. If y = 5 when x = 3 and z = 4, find y when x = 6 and z = 8.

dlinn [17]

Answer:

y= 201/40

Step-by-step explanation:

y=k (x÷z)

5 = (3÷4)k

cross multiply

20=3k

k= 6.7 or 67÷10

y = 6.7 (x÷z) the law

y = (6÷8) × 6.7

y = 0.75 ×6.7

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3 years ago

Find the equationof a circle whose centre is (-3-15) and passing point (5,-1) find the equation of circle..

Ludmilka [50]

Answer: $(x+3)^{2} +(y+15)^{2}=260$

Step-by-step explanation:

The centre is (-3,-15), so we can say the equation of circle is $(x+3)^{2} +(y+15)^{2}=r^{2}$ . put (5,-1) at this equation.

then, we can know $r^{2}=260$ .

∴ $(x+3)^{2} +(y+15)^{2}=260$

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3 years ago

Consider this scatter plot.

geniusboy [140]

The y intercept is 40 and it means that at zero hours you have a score of 40(basically where you start out )

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Express 0.621 as a fraction<br> You must show all your working.<br> working

Gelneren [198K]

Answer:

Answer in picture with working

Step-by-step explanation:

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