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3 years ago

A $500 investment is in creasing by 15% each year. What is the multiplier A 5.15 B 1.15 C 0.15 D 0.115

Mathematics

1 answer:

ohaa [14]3 years ago

3 0

Answer:

C, 0.15

0.15 is 15/100, which is 15 percent.

multiply 500 times 0.15 gives you 15 percent of 500.

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Find 3 consecutive even numbers where the product of the smaller two numbers is 40 less than the square of the largest number.

Marina86 [1]

$3\ consecutive\ even\ numbers:\ 2x,2x+2,2x+4\\\\2x(2x+2)+40=(2x+4)^2\\\\
4x^2+4x+40=4x^2+16x+16\\\\
4x^2-4x^2+4x-16x=16-40\\\\-12x=-24\ \ |:(-12)\\\\x=\frac{24}{12}=2\\\\2x=2=4\\\\2x+2=6\\\\2x+4=8\\\\Numbers\ are\ 4,6,8.$

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3 years ago

What is 12.05 as a fraction

hram777 [196]

Answer:

241/20

Step-by-step explanation:

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3 years ago

In which number does the 9 represent 1/10 of the value that it represents in 92300

nikdorinn [45]

Answer: 29,300

Step-by-step explanation:

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3 years ago

Which of the following has a graph that is a straight line? (4 points)

nlexa [21]

The equation 2 has a graph which is a straight line.

Why?

We can know which of the given equations has a graph which is a straight line just checking the exponents of the variables.

We must remember that every variable that has an exponent equal or higher than 2 (quadratic) will not have a straight line as a graphic.

So, checking the exponents from the given equations, we have:

$Equation_{1} =x^{3}=NotLinear\\Equation_{2}=x=Linear\\Equation_{3}=y^{2}=Quadratic\\Equation_{4}=x^{2}=Quadratic$

Hence, we can see that the only equation that has a linear term (straight line graph), is the second equation.

Have a nice day!

Note: I have attached a image for better understanding.

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3 years ago

Find the formula for g(x) if it is known that (x-3)=2x-6

nadya68 [22]

Answer: g(x) = 2*x

Step-by-step explanation:

We want to find the formula of g(x) if we know that g(x - 3) = 2*x - 6

Well, the first step is to find the expression (x - 3) = y in the g(x - 3)

Then:

g(x - 3) = 2*x - 6 = 2*x - 2*3

Now we can just take the common factor 2, and write this as:

2*x -2*3 = 2*(x - 3) = 2*y

then:

g( x - 3) = g(y) = 2*y

if we just replace x by y, we get:

g(x) = 2*x

This is the formula of g(x)

3 0

3 years ago