Which equation has no solution?

Mathematics

2 answers:

zvonat [6]3 years ago

7 0

Answer:

the awnser is B

Step-by-step explanation:

the awnser is B

Elena-2011 [213]3 years ago

3 0

Answer:

Step-by-step explanation:

just took the quiz and got it right :)

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Name the solid and find its volume. Use 3.14 as the approximate value of pi.

sineoko [7]

It is given in the question that the solid is a cone with height of 16 units and radius of 7 units .

The formula of volume of cone is

$V = \frac{1}{3} \pi r^2 h$

To find the volume, we substitute the given values of r and h and use 3.14 for pi. That is

$V = \frac{1}{3} *3.14*7^2 *16 = 820.6 \ units \ cube$

And that's the required volume of the cone .

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Licemer1 [7]

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Mary invests £12000 in a savings account. The account pays 1. 5% compound interest per year. Work out the value of her investmen

mestny [16]

Answer:

The value of Mary's investment after two years = £12362.7

Step-by-step explanation:P = Principal / initial amountR = rate of interest per cent per yearT = number of yearsA = final amount at the end of T yearsThen:A = P*(1 + R/100)^2In our example:P = £12000R = 1.5 per cent per yearT = 2 yearsThus:A = 12000*(1 + 1.5/100)^2 = 12000*(1 + 0.015)^2 = 12000*(1.015)^2 = 12000*(1.030225) = 12362.7Value of investment after two years = £12362.7

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Which number is written in scientific notation? 6 times 10 Superscript 11 12 times 10 Superscript negative 8 0.2 times 10 Supers

Mandarinka [93]

Answer: 6 times 10 Superscript 11

Step-by-step explanation:

Scientific notation is in the form ;

A.0 x $10^{n}$ ,