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Jobisdone [24]
3 years ago
8

What is the product? (6 r minus 1)(negative 8 r minus 3)

Mathematics
2 answers:
just olya [345]3 years ago
3 0

Answer:

The required product is -48r^2-10r+3

Step-by-step explanation:

Consider the provided expression.

(6r-1)(-8r-3)

Open the parentheses.

6r\left(-8r\right)+6r\left(-3\right)+\left(-1\right)\left(-8r\right)+\left(-1\right)\left(-3\right)

-6\cdot \:8rr-6\cdot \:3r+1\cdot \:8r+1\cdot \:3

-48r^2-18r+8r+3

Add the like terms.

-48r^2-10r+3

Hence, the required product is -48r^2-10r+3

Marta_Voda [28]3 years ago
3 0

Answer:

-47r²-10r+3

Step-by-step explanation:

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3# Find the missing variable (s). Round to the nearest tenth.
rewona [7]

Answer:


Step-by-step explanation:


This triangle is already positioned to match trig functions (also known as circular functions).


Point A is origin, side AC (length x) is on X axis,

side CB (length y) is parallel to Y axis.


***** You just remember *****


cos is horizontal, on X axis,

sin is vertical, on Y axis.

To get from unit triangle with hypotenuse 1,

horizontal side cos(θ), vertical side sin(θ), you multiply all sides by same number, namely, the specified length of the hypotenuse.


***** that's all you need to know *****


Draw a unit circle centered at A, mark point Y at intersection of circle and AB, and drop a vertical line from Y crossing X axis at X.


Then radial segment AY is 1, AB is 10

horizontal segment AX is cos(32°), AC is 10AX

vertical segment XY is sin(32°), CB is 10XY.


So x = 10 cos(32°), y= 10 sin(32°).




7 0
3 years ago
Simplify the expression: -7d+5(10d+-6)
Alexandra [31]

Answer:

-7d+50d+-30= 43d+-30

  1. Use distributive property when there is parentheses and a number infront.
  2. combine like terms. ONLY if they have the same variable.
  3. then just put them in an expression.
3 0
3 years ago
The solution set x ≤ 2 or x ≥ 4 is consistent with an equation of the form
yawa3891 [41]

Answer:

the answer is choice a your welcome

6 0
3 years ago
How can I find the area of a rectangle with a rectangle the size of w- 2in and l- 5 in. I need two ways and i need a lot of easy
Anvisha [2.4K]
Here's one way: A=WxL So in this case, it's 2x5 You would draw the rectangle, label one side 2 in. and the other 5 in. Draw an arrow from each no./side and put x underneath the line so that its 2 —x— 5 (2, line, x, line, 5. With x under line)
6 0
3 years ago
Y’all I need a lot of help please help me and please show work
Nadya [2.5K]

Answer:

90

Step-by-step explanation:

no of total groups = 2+6+4=12

so in total there are 12 groups

each have equal number of members

so the answer is the number that is not a factor of 12

i hope this help you

this is quite high order thinking question

so don't know about the steps

if you understood then you may write the steps yourself

4 0
3 years ago
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