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3 years ago

Please help me answer the first and the last question on mathswatch

Mathematics

1 answer:

PSYCHO15rus [73]3 years ago

7 0

Answer:

Since Igor had to re-do his medical training it is expected that his salary won't match his age or, in other words, he will not have the same salary as other surgeons his age. So, it is highly likely that Igor's point is the one showing age 42 and sallary 30000 £.

As for the last question, conclusions made from any graph are more reliable if there is more data. That means that including more surgeons in the research will give us even stronger relation between age and the sallary.

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An airplane is flying at an altitude of 2.7 miles and is 8.3 miles from the runway. Find the angle of depression that the airpla

Art [367]

Answer:

$18.98\°$

Step-by-step explanation:

Let

x-----> the angle of depression

we know that

The sine of angle x is equal to divide the altitude (opposite side to angle x) by the distance from the runway (hypotenuse)

$sin(x)=\frac{2.7}{8.3}$

$x=arcsin(\frac{2.7}{8.3})=18.98\°$

7 0

2 years ago

Read 2 more answers

A delivery truck uses $375 in gasoline during a 3 week period. if the truck is driven 5 days per week, how much is spent on gas

Firdavs [7]

We know that $375 is spent for three weeks period
One week period is 5 days, so for three weeks periods, there are 15 days in total when the truck use the gasoline.

The amount spent on gasoline for one day is $375÷15 = $25

8 0

3 years ago

Determine whether each relation is a function. Explain. {(2,0), (2, 2), (2, 4), (2, 6)}

inysia [295]

A function is the relationship between an independent variable (x) and a dependent variable (y). A function can only occur when the independent variable are limited to one use. A function in this case is determined by the { } symbol.

This example is not a function, as the independent variable (2) appears more than once.

The rule is that the independent variable(x) cannot appear more than once as the same value and the dependant variable(y) can appear more than once as the same value.

Hope this helps!

8 0

1 year ago

Twenty-one goats were shown in the county fair. This was seven less than four times the number of horses shown. How many horses

Solnce55 [7]

Answer:

H=horse

H=4(21-7)

Step-by-step explanation:

H=4(21-7)

H=4(14)

There were 56 horses.

6 0

2 years ago

Solve for x 3.8 4.8 5.8 6.8

Bas_tet [7]

Answer:

Step-by-step explanation:

Similar

$\frac{5}{3}=\frac{8}{x}\\\\5*x=8*3\\\\x =\frac{24}{5}$

x=4.8

7 0

2 years ago