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2 years ago

Translate this sentence into an equation.

Mathematics

2 answers:

Tcecarenko [31]2 years ago

6 0

Answer:

Step-by-step explanation:

Djdnwoucnjci4jciornwrfkerpvtbhow are the many rides of paul revere: the boston tea party and mr. revere and i alikyhow are the many rides of paul revere: the boston tea party and mr. revere and i alikeh

Ttewgwwtwhyw

Ethan

GuDViN [60]2 years ago

3 0

9•r=99

To solve this equation you have to divide 99 and 9. The answer is 11

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Using the technique in the model above, find the missing sides in this 30°-60°-90° right triangle. Hypotenuse = 12 Short =

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Answer:

Short leg = 6.

Step-by-step explanation:

Hypotenuse = 2x

short leg = x

long leg = x√3

Hypotenuse = 2x=12

x = 12/2

x=6

short leg = x = 6

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2 years ago

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The mean daily rainfall for a week was 5.5mm.for the first six days the mean rainfall was 1mm.How much rainfall on the seventh d

spayn [35]

Answer:

There was 32.5mm of rainfall on the seventh day.

Step-by-step explanation:

Mean of a data-set:

The mean of a data-set is the sum of all values of a data-set divided by the number of values in the data-set.

The mean daily rainfall for a week was 5.5mm.for the first six days the mean rainfall was 1mm.

This means that during the week(7 days), the total amount of rain was of:

$6*1 + x = 6 + x$

How much rainfall on the seventh day ?

This is x. We have that:

$\frac{6 + x}{7} = 5.5$

$6 + x = 7*5.5$

$6 + x = 38.5$

$x = 38.5 - 6 = 32.5$

There was 32.5mm of rainfall on the seventh day.

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