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Paladinen [302]
3 years ago
5

What is the product of (4a-6)(3a-8)

Mathematics
1 answer:
shusha [124]3 years ago
8 0

use FOIL (first, outside, inside last)

4a * 3a = 12a²

4a * -8 = -32a

-6 * 3a = -18a

-6 * -8 = 48

-12a² - 32a - 18a + 48

combine like-terms: -12a² -50a + 48

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Find the slope of the line passes through the points (2, 5) and (9, 8).
Brilliant_brown [7]
  • The correct option is 3/7

Step by Step Explanation:

<h3>Given:</h3>

  • line passing through points (2,5) and (9,8)

<h3>To find:</h3>

  • Slope of the line

<h3>Solution:-</h3>

Here, to find the slope of line passing through two points x₁,x₁ and y₁,y₂ is given by:-

\sf m=\frac{y_2 - y_1}{x_2 - x_1}

where,

x₁ = 2

x₂ = 9

y₁ = 5

y₂ = 8

Therefore putting the values , we get

\sf \: m=\frac{y_2 - y_1}{x_2 - x_1} \\  \\  : \longrightarrow \:  \frac{8 - 5}{9 - 2}   \\  \\  : \longrightarrow \:  \frac{3}{7}

<u>Hence, the slope of line passes through the points (2, 5) and (9, 8) is 3/7.</u>

4 0
3 years ago
Aquarium 1 contains 4.6 gallons of water. Louise will begin filling aquarium 1 at a rate of 1.2 gallons per minute. Aquarium 2 c
Fed [463]

Answer:

After 25 mins.

Step-by-step explanation:

3 0
3 years ago
The sum of three numbers $x$ ,$y$, $z$ is 165. When the smallest number $x$ is multiplied by 7, the result is $n$. The value $n$
babymother [125]

You're given

<em>x</em> + <em>y</em> + <em>z</em> = 165

7<em>x</em> = <em>n</em>

<em>n</em> = <em>y</em> - 9

<em>n</em> = 9 + <em>z</em>

and you want to find <em>xyz</em>.

Solve the last three equations for <em>x</em>, <em>y</em>, and <em>z</em> :

7<em>x</em> = <em>n</em>   →   <em>x</em> = <em>n</em>/7

<em>n</em> = <em>y</em> - 9   →   <em>y</em> = <em>n</em> + 9

<em>n</em> = 9 + <em>z</em>   →   <em>z</em> = <em>n</em> - 9

Substitute <em>x</em>, <em>y</em>, and <em>z</em> into the first equation and solve for <em>n</em> :

<em>n</em>/7 + (<em>n</em> + 9) + (<em>n</em> - 9) = 165

<em>n</em>/7 + 2<em>n</em> = 165

<em>n</em> + 14<em>n</em> = 1155

15<em>n</em> = 1155

<em>n</em> = 77

Now solve for <em>x</em>, <em>y</em>, and <em>z</em> :

<em>x</em> = 77/7 = 11

<em>y</em> = 77 + 9 = 86

<em>z</em> = 77 - 9 = 68

Then the product is

<em>xyz</em> = 11 • 86 • 68 = 64,328

6 0
3 years ago
Which of the following id the graph of y= -2•3^5-x
Olin [163]

Answer:

Can you put the graph in

Step-by-step explanation:

5 0
3 years ago
Factor completely x3 + 6x2 + 8x + 48. A (x − 6)(x2 − 8) B (x − 6)(x2 + 8) C (x + 6)(x2 − 8) D (x + 6)(x2 + 8)
Eva8 [605]
The answer is D:) I hope this helped.. And download the app Connects it helps with math problems and people actually help and solve them

6 0
4 years ago
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