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sweet-ann [11.9K]
3 years ago
14

I am having trouble with this equation 3 ( x-5 ) =9can anyone help pls

Mathematics
2 answers:
Murljashka [212]3 years ago
4 0
First you distributive property:
3x-15=9
Add 15
3x=24
Divide
x=8
Anuta_ua [19.1K]3 years ago
4 0

Answer:

x=8.

Step-by-step explanation:

You can remove the parenthesis by multiplying the 3 to everything in them. In this case, it would be 3x-15=9. You can start by adding 15 to both sides, which give us 3x=24. You can now divide 3 by both sides. The right side is 24/3 which is 8 and the left side is just x. x=8.

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How would I make an equation into an inverse of itself?
gavmur [86]
To make an equation an inverse, you would raise it to the -1 power. For example:

3^-1 = 1/3
1/3^-1=3

:)
5 0
4 years ago
From y^2+5y-7 subtract y^2-3y-4
castortr0y [4]
y^2+5y-7-(y^2-3y-4)=y^2+5y-7-y^2+3y+4=8y-3
8 0
3 years ago
Read 2 more answers
Which of the following is a Recursive Formula for an Arithmetic Sequence?
In-s [12.5K]

The Recursive formula for an Arithmetic Sequence is a1 = -3, an = an-1 + 6.

<h3>What is Arithmetic sequence ?</h3>

An arithmetic sequence is a sequence where each term increases by adding/subtracting some constant k.

Given:

an = -3 + 6(n – 1)

a1= -3

a2= 3

a3 = 9

Here the common difference is 6 and first term is -3

Hence, the recursive formula is a1 = -3, an = an-1 + 6.

Learn more about this concept here:

brainly.com/question/12942847

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3 0
2 years ago
The Weslaco Pacesetters perform between 4
timofeeve [1]

Answer:

4 per week, 4weeks per month(8weeks)

4*8=32

5 0
2 years ago
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All the dimensions of a triangle were multiplied by the same factor. If the base of the triangle went from 1 centimeter to 3 cen
timama [110]
The answer is 9.

To calculate this, we will use Galileo's square cube law, used to describe the change of the area or the volume of the shape, when their dimensions increase or decrease. The formula used for change of the area is
A_2= A_1 (\frac{l_2}{l_1} )^{2}
A₂ - the area after the change,
A₁ - the area before the change,
l₂ - the dimension after the change,
l₁ - the dimension before the change.


It is given:
l₁ = 1 cm
l₂ = 3 cm

Let's use this formula for the mentioned triangle:
A_2=A_1( \frac{l_2}{l_1}) ^{2}  =A_1( \frac{3}{1})^{2} =A_1*3 ^{2} =9A_1

Therefore, the area of the triangle was multiplied by 9.
8 0
3 years ago
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