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vichka [17]
3 years ago
7

Write the expression 6a-2 (a-1) in simplest form

Mathematics
2 answers:
Harrizon [31]3 years ago
5 0
6a-2 (a-1) in simplest form is 4a+2.
kolbaska11 [484]3 years ago
3 0

Answer: The equation was broken down and the simplest form was found out to be

3a²-4a+1=0

Step-by-step explanation:

This question seeks to expand your knowledge in simple Algebraic multiplication manipulations

We will tackle this with a step by step approach

Step one

Given the expression 6a-2(a-1)

Let's open up the bracket to find out what's in for us

6a-2(a-1)= 6a*a-6a*1-2*a+2*1

=6a²-6a-2a+2

=6a²-8a+2

We can further break up this equation by Factoring out a common factor which is 2

2(3a²-4a+1)=0

2=0

Or

(3a²-4a+1)=0

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Two questions,
Aneli [31]
Hey there!

$8.8

$26,460

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8 0
3 years ago
Nandini makes 'halwa' one evening and divides it into four equal portions for her family of four. However, just as they are abou
wel

Answer:

5%

Step-by-step explanation:

Total 'halwa' made = 1

Divided into four equal portion = 1/4

Arrival of an unexpected guest = 1/5

By what percentage has each family member's share been reduced:

Change in the sharing proportion:

Previous share ratio - new sharing ratio

(1/4 - 1/5) = (5 - 4) / 20 = 1/20

That means total reduction in the sharing = 1/ 20

Since each member comes contributed equally:

Reduction in each family member's share ;

(1 / 20) ÷ 4

(1 / 20) * 1/4 = 1/ 80

Percentage reduction:

(Reduction / original share) * 100%

[(1/80) ÷ (1/4)] * 100

(1/80 * 4/1) * 100%

(1/20) * 100%

= 5%

Reduction in each family members share = 5%

3 0
3 years ago
a store owner paid $15 for a book. she marked up the price of the book by 40% to determine its selling price. what is the sellin
Hunter-Best [27]

Answer:

$21

Step-by-step explanation:

40% of 15 is 6, and 15 + 6 is 21

5 0
2 years ago
Read 2 more answers
A new online music service has a collection of 1,500 songs. It expects to triple the number of songs each year for the next few
Rzqust [24]

Answer: y = (3^(x-1))*1500

Step-by-step explanation:

We want the relationship

y = f(x)

where y is the number of songs, and x is the number of years.

We know that in the first year, x = 1, the site has 1,500 songs.

The next year, x = 2, the number of songs is tripled, then we will have:

1,500*3 = 4500 songs.

The next year, x = 3, we will have: 3*(3*1500) = (3^2)*1500.

when x = 4, the number is tripled again:

3*(3^2)*1500 = (3^3)*1500

We already can see the pattern, for the year x, the site will have:

y = (3^(x-1))*1500 songs.

This is the equation we are looking for.

7 0
3 years ago
Help me with this please!
DedPeter [7]

Answer:

Area of triangle = 20√2

Step-by-step explanation:

Formula:

Area of triangle = bh/2

b - base  of triangle

h - height of triangle

<u>Distance formula</u>

d = √(x₂ - x₁)² +(y₂ - y₁)²

From the figure we can see that, the given triangle is right angled triangle.

Base = AC and Height = AB

<u>To find AB and AC</u>

A(1,3), B(4,7) and C(9, -5)

AB =  √(4 - 1)² +(7 - 3)² =  √(3² + 4²) = 5

AC = √(9 - 1)² +(-5 - 3)² =  √(8² + -8²) = 8√2

<u>To find the are of triangle</u>

Area = bh/2 = (5* 8√2)/2 = 20√2

Therefore the area of triangle = 20√2 square units

8 0
3 years ago
Read 2 more answers
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