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3 years ago

Is anyone brave enough to figure this out??? I’ll give Brainly (ToT) thank you !!

Mathematics

1 answer:

lakkis [162]3 years ago

6 0

Answer: $52.50

Step-by-step explanation:

There is only 12 months and the interest compounds yearly so I guess it is just

3500 x 1.5% = 3500 x 1.5 / 100 = 35 x 1.5 = $52.50

Rounding is not needed

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What is the constant of proportionality in the equation 9y = 45x?

Mars2501 [29]

Divide by the coefficient of y.
y = (45/9)x
y = 5x

The constant of proportionality is 5.

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3 years ago

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A set of data with 100 observations has a mean of 267. There are six outliers in the data set, which have a mean of 688. If the

Mnenie [13.5K]

X*94 +688*6 = 267*100
94x+4128=26700
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C is the closest answer

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3 years ago

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Two planes are 2725 miles apart and are traveling toward each other one plane is traveling 110 mph faster than the other plane T

Licemer1 [7]

Answer:

therefore x = 600 mph

therefore the speed of the other plane y = x - 110 = 600 - 110 = 490 mph

Step-by-step explanation:

i) Two planes are 2725 miles apart and are travelling towards each other.

ii) One plane is travelling 110 mph faster than the other plane.

iii) the planes pass each other in 2.5 hours

iv) let the speed of one plane be x mph

v) let the speed of another plane be y mph

vi) therefore x - y = 110 mph

vii) and also x + y = 2725/2.5 = 1090

viii) adding the equation in vi) to the equation in vii) we get 2x = 1200

therefore x = 600 mph

ix) therefore the speed of the other plane y = x - 110 = 600 - 110 = 490 mph

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3 years ago

A train left for Miami, and 6 hours later, a car traveling 79 mph tried catching up to the train. After 7 hours, the car caught

nikdorinn [45]

Answer: 121 mph

Step-by-step explanation: First, I did 6 x 7, and I got 42. Then I did 42 + 79, and I got 121 mph as my answer.

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3 years ago

What is the area of a regular hexagon with a side length of 12 cm With process please

ivanzaharov [21]

Look at the picture.

The area of the hexagon is equal six times the area of the equilateral triangle.

The formula of the equilateral triangle with the leg a:

$A_\Delta=\dfrac{a^2\sqrt3}{4}$

Therefore the formula of the area of the hexagon with a side lenght a is:

$A=6\cdot\dfrac{a^2\sqrt3}{4}=\dfrac{3a^2\sqrt3}{2}$

We have a = 12cm. Substitute:

$A=\dfrac{3\cdot12^2\sqrt3}{2}=\dfrac{3\cdot144\sqrt3}{2}=3\cdot72\sqrt3=216\sqrt3\ cm^2$

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3 years ago