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3 years ago

Evaluate 11.5x + 10.7y when x = 3 and y = 4

Mathematics

2 answers:

WARRIOR [948]3 years ago

8 0

Answer:

77.3 (see below)

Step-by-step explanation:

To solve, plug in the values given into the expression given and simplify:

11.5x + 10.7y

11.5 (3) + 10.7 (4)

34.5 + 42.8

77.3

adoni [48]3 years ago

7 0

Answer: 77.3

Step-by-step explanation:

11.5(3)+10.7(4)

11.5 times 3 equals 34.5

and 10.7 times 4 equals 42.8

34.5 plus 42.8 equals 77.3

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Francesca leaves her home and Drive South 150 km. Then she drives West 70 km. At this point, she drives North 30 km. Finally, sh

Sveta_85 [38]

To find the distance between her home and her latest position:

According to the question, the diagram is,

Consider the right triangle,

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To find AC:

Using Pythagoras theorem,

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1 year ago

The odds against Carl beating his friend in a round of golf are 9:7. Find the probability that Carl will lose?

grandymaker [24]

The ratio 9:7 gives you following statement:

Carl will win in 9 cases from 9+7=16;
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Then the probability that Carl will lose is

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4 years ago

A regular polygon could not have an interior angle measure of _____.

zimovet [89]

Answer:

A. 45°

Step-by-step explanation:

The smallest interior angle measure of any regular polygon is that of an equilateral triangle: 60°.

___

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