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2 years ago

What is the percent of change of 25 when decreased to 18?

Mathematics

2 answers:

sladkih [1.3K]2 years ago

8 0

Answer:

your answer is that it decreases to 7%

shepuryov [24]2 years ago

7 0

Answer:

28% decrease

Step-by-step explanation:

(18−25)|25|×100

=−725×100

=−0.28×100

=−28%change

=28%decrease

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10 points!! Pls help with 5 and 6

marissa [1.9K]

Answer:

I only know number 5 so here it is

the solution for the left is: 2x6=12

the solution for the right is: 5x3+4x1=15+4=19

and the answers are: 1.12 . 2.19

5 0

2 years ago

What formula would you use to find the area of this figure?

Reil [10]

Answer:

(base × height) × 0.5

Step-by-step explanation:

Formula of the Area of a Triangle => (base × height) × 0.5

8 0

2 years ago

Write an equation to represent the number puzzle. Use x as the

k0ka [10]

<h3>The equation is:</h3><h3> $x^2 - 7x + 12 = 0$ </h3><h3>The number is 3 or 4</h3><h3><em><u>Solution:</u></em></h3>

Given that,

7 added to the square of a number is equal to 7 times the number, minus 5

Let "x" be the unknown number

From given,

7 added to square of x = 7 times the x minus, 5

$7 + x^2 = 7x - 5$

Solve the above equation

$x^2 -7x +7+5 = 0\\\\x^2 - 7x + 12 = 0$

Split the middle term

$x^2 -3x - 4x + 12 = 0\\\\Group\ the\ expressions\\\\(x^2-3x) -(4x - 12) = 0\\\\Take\ the\ common\ factor\ out\\\\x(x -3) -4(x -3) = 0\\\\(x-3)(x-4) = 0$

We have two solutions

x - 3 = 0

x = 3

And

x - 4 = 0

x = 4

Thus number is 3 or 4

7 0

3 years ago

Find all solutions to the given equation: (x − 3)(x +2) = 0

Vladimir [108]

Answer:

x = -2,3

Step-by-step explanation:

Given: (x − 3)(x +2) = 0

To find the solution of above factor.

It is already in factor form.

Two factors are (x-3) and (x+2)

So, set each factor to 0 and solve for x

(x − 3) = 0 or (x +2) = 0

x - 3 = 0 or x + 2 = 0

x = 3 or x = -2

Hence, The solution of the (x − 3)(x +2) = 0 are 3 and -2

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3 years ago

Determine whether the sequence is geometric.if it is geometric,find the common ratio r

Temka [501]

Answer: r = 2

Step-by-step explanation:

3 0

3 years ago