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Tatiana [17]
3 years ago
15

2.5% of a number is 100. What is a number?

Mathematics
2 answers:
Alexxandr [17]3 years ago
4 0

Answer:

The number is 4000

Step-by-step explanation:

2.5% of a number. This means:

0.025*x

We know that this expression must be equal to 100 then:

0.025x=100

Now we solve the equation for the variable x

0.025x=100

Divide both sides of the equation by 0.025

\frac{0.025}{0.025}x=\frac{100}{0.025}

x=\frac{100}{0.025}

x=4000

UNO [17]3 years ago
3 0

Answer:

It is 4000

Step-by-step explanation:

100 : 2.5% = 4000

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Rudik [331]

Answer:

y = -5x/3 + 18

Step-by-step explanation:

The points can be written as;

(x,f(x))

where f(x) is same as y

So the points we have are;

(6,8) and (9,3)

We start by finding the slope or the line connecting the points

m = y2-y1/x2-x1 = (3-8)/(9-6) = -5/3

So now we have the general form of a linear equation as

y = mx + b

where m is slope and b is y intercept

We already have slope and we want to calculate y-intercept

Simply substitute one of the points

(9,3) in this case

9 for x and 3 for y

we have ;

y = -5x/3 + c

3 = -15 + c

c = 18

So the line equation is;

y = -5x/3 + 18

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3 years ago
The perimeter of the rectangle is (14,19,28,45) cm. If the rectangle is dilated by a scale factor of 6 to create a new rectangle
Lorico [155]
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6 0
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According to the Rational Root Theorem, which function has the same set of potential rational roots as the function g(x) = 3x5 –
elena55 [62]

Answer:


Step-by-step explanation:

Given is an algebraic polynomial of degree 5.

g(x) = 3x^5-2x^4+9x^3-x^2+12\\

Here leading term is p=3 and constant term is q =12

Factors of p are ±1,±2,±3

Factors of q are \frac{±1,±2,±3,±4,±6,±12} \\

Possible forms of p/q will be the same for any other polynomial of degree 5 with leading term =3 and constant term = 12

Hence any other polynomial

g(x) = 3x^5+ax^4+bx^3+cx^2+12

will have same possible zeroes of p/q, when a,b,c are rational.

Hence any polynomial of this type would have the same possible rational roots.

7 0
4 years ago
What is the difference between percent difference and percent change?
exis [7]

Answer:

Percent change is comparing one current number or value to another.

Percent difference is comparing a number or value to another number or value.

Step-by-step explanation:

7 0
3 years ago
ASAP!! Please help me. I will not accept nonsense answers, but will mark as BRAINLIEST if you answer is correctly with solutions
mart [117]

Answer:

A.

Step-by-step explanation:

The equation is ax^2 + bx + c = 0.

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-1x^2 + 1x + c = 0

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Hope this helps!

5 0
4 years ago
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