Which line shows the first error in the solution?

Mathematics

1 answer:

Andrew [12]3 years ago

4 0

The part of the solution that is incorrect is (5). This is because -10 -8 = -18. :)

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Three cards are chosen from a standard deck of 52 playing cards with replacement. What is the probability every card will be a h

Fudgin [204]

Answer:

b 1/64

Step-by-step explanation:

well, total heart cards in deck are 13

so, in first case prob of 1 heart is = 13/52 = 1/4

combined prob = 1/4 * 1/4 *1/4 = 1/64

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7 0

3 years ago

On a clear day you can see about 25.2 miles from the upper observation platform of the Eiffel tower in Paris. Using the formula

fredd [130]

Answer:

D. 914 feet

Step-by-step explanation:

We are given the distance that a person can see on a clear day from the upper observation platform of the Eiffel tower in Paris. We are then required to estimate the height of the upper observation platform using the formula;

$d=\frac{5}{6}\sqrt{h}$

Where d is the distance and h the height of the upper observation platform. The first step would be to solve for h, that is make h the subject of the formula in the above equation;

We multiply both sides of the equation by the reciprocal of 5/6 which is 6/5;

$\sqrt{h}=\frac{6}{5}d$