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3 years ago

7

The effective rate of interest, if $1,000 compounds to $1,331 in 3 years is how much percent?

2 answers:

elena-14-01-66 [18.8K]3 years ago

4 0

Answer:

I don't know the math behind it, but the correct answer is 10%

Step-by-step explanation:

OLEGan [10]3 years ago

3 0

I believe it is close to 4.4 percent a year or 13.2 over 3 years.

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Rewrite the expression using distributive property 8(4x+6y-2z)

storchak [24]

8(4x+6y-2z)
32x+48y-16z
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3 years ago

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The axis of symmetry for a function in the form f(x) = x2 + 4x − 5 is x = −2. What are the coordinates of the vertex of the grap

Studentka2010 [4]

Answer:

D) $(-2,-9)$

Step-by-step explanation:

<u>Vertex Form of a Vertical Parabola:</u>

$y=a(x-h)^2+k$

Vertex -> $(h,k)$

Axis of Symmetry -> $x=h$

Vertical Scale Factor -> $a$

To turn $f(x)=x^2+4x-5$ into vertex form, we need to complete the square on the right side
Therefore, if $f(x)=0$ , then $0+9=x^2+4x-5+9$ completes the square on the right side
This becomes $9=(x+2)^2$
This means that our function in vertex form is $f(x)=(x+2)^2-9$

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3 years ago

Suppose WX = 4x - 8 and WZ = 2x + 2. Solve for x

podryga [215]

Answer: 5

Step-by-step explanation:

Because the shape is a kite we can tell that WX and WZ are congruent.

So 4x-8 = 2x+2

Add 8 to both sides

4x = 2x+10

Subtract 2x

2x = 10

Divide by 2

x = 5

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2 years ago

Gnesinka [82]

Answer:

13

Step-by-step explanation:

We know that a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse

5^2 + 12^2 = c^2

25+144 = c^2

169 = c^2

Taking the square root of each side

sqrt(169) = sqrt(c^2)

13 =c

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3 years ago

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Gemiola [76]

Answer is on the attachment. Brainlist pls.

Step-by-step explanation:

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3 years ago