3 years ago

I need help on all of these, please!

Mathematics

1 answer:

ioda3 years ago

3 0

Answer:

3 up, rest is 0

Step-by-step explanation:

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A boat costs $8,350 and decreases in value by 12% per year. how much will the boat be worth after 5 years?

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The boat would cost 3,340 dollars

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Unit 2, Lesson 12

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the answer for a is 2 and 2/4 which is equal to 2 and 1/2

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The hypotenuese of an isosceles right triangle is 13 inches. The midpoints of its sides are connected to form an inscribed trian

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Answer:

The Sum of the areas of theses triangles is 169/3.

Step-by-step explanation:

Consider the provided information.

The hypotenuse of an isosceles right triangle is 13 inches.

Therefore,

$x^2+x^2=169\\2x^2=169\\x=\frac{13}{\sqrt{2} }$

Then the area of isosceles right triangle will be: $A=\frac{1}{2} x^2$

Therefore the area is: $A=\frac{169}{4}$

It is given that sum of the area of these triangles if this process is continued infinitely.

We can find the sum of the area using infinite geometric series formula.

$S=\frac{a}{1-r}$

Substitute $a=\frac{169}{4} \ and\ r=\frac{1}{4}$ in above formula.

$S=\frac{\frac{169}{4}}{1-\frac{1}{4}}$

$S=\frac{\frac{169}{4}}{\frac{3}{4}}$

$S=\frac{169}{3}$

Hence, the Sum of the areas of theses triangles is 169/3.

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3 years ago

Four friends at a party popped 3/4 of a bag of popcorn. They ate half of what was popped. What fraction of the popcorn in the ba

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Your answer is... they ate 2/4 or 1/2 of the bag of popcorn.

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Answer:

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Step-by-step explanation:

15÷1000=0.0015

0.0015×4=0.06

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