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2 years ago

The value of a certain stock tripled. If you knew what the stock used to be worth, how would you find how much it is worth now?

Mathematics

2 answers:

svet-max [94.6K]2 years ago

6 0

Answer:

multiply by 3

Step-by-step explanation:

Marrrta [24]2 years ago

3 0

If it tripled then it means it was multiplied by 3

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Your doctor told you to eat 25 grams of fiber each day.

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If you divide 4/25 it equals 16%. Or another way you can do it is you multiply 25 by 4 to get 100 then just multiply 4 by 4 also and it gets you 16/100 which equals 16%.

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A certain triangle has a 30 degree angle and a 60 degree angle. Which of the following must be a true statement about the triang

12345 [234]

we know that

If the triangle has a $30$ degree angle and a $60$ degree angle, then the third angle is a $90$ degree angle

is a right triangle

$Sin(30\°)=Cos(60\°)=\frac{1}{2}$

$Cos(30\°)=Sin(60\°)=\frac{\sqrt{3}}{2}$

Statements

A. The second-longest side is twice as long as the shortest side.

we know that

the ratio between the second-longest side and the shortest side is

$\frac{\sqrt{3}}{1}$

therefore

the statement A is False

B. The longest side is twice as long as the shortest side

we know that

the ratio between the longest side and the shortest side is

$\frac{2}{1}$

therefore

the statement B is True

C. Two sides of the triangle have the same length

The statement C is False, because is not an isosceles triangle (45-90-45)

D. The longest side is square root 3 times as long as the shorted side

we know that

the ratio between the longest side and the shortest side is

$\frac{2}{1}$

The longest side is twice as long as the shortest side

therefore

The statement case D is False

the answer is the option

B. The longest side is twice as long as the shortest side

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2 years ago

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Help me solve this logical question.

GREYUIT [131]

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2 years ago

F(n)=5.(-2)n-1 Complete the recursive formula of f(n).

Alex73 [517]

Answer:

a(n) = $(-2)(a_{n-1})$

$a_{1}=5$

Step-by-step explanation:

The given expression is in the form of the explicit formula of a geometric sequence.

f(n) = $a(r)^{n-1}$

Where 'a' = First term of the sequence

r = common ratio

Recursive formula of a geometric sequence is,

a(n) = $(a_{n-1}).(r)^{n-1}$

a(n) = $(-2)(a_{n-1})$

Where, $a_{1}=5$

So the recursive formula will be a(n) = $(-2)(a_{n-1})$

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2 years ago

katelyn invested $2325 in a savings account which earns 3.45% interest compounded monthly. What will the account be worth in 7 y

Airida [17]

$2959

Use the compound interest formula.

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2 years ago