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Mars2501 [29]
3 years ago
5

Multiply (x-6)(4x + 3) A. 47-32-18 B. 4) - 24%-18 C. 47 - 21%-18 D. 4/2 - 18

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
5 0

Answer:

4x² - 21x - 18

Step-by-step explanation:

Use FOIL.

(x-6)(4x+3)\\\\x*4x = 4x^2\\\\x * 3 = 3x\\\\-6 * 4x= -24x\\\\-6 * 3 = -18\\\\\\4x^2+3x-24x-18\\\\\boxed{4x^2-21x-18}

Hope this helps.

NeTakaya3 years ago
5 0

Answer:

4x² - 21x - 18

Step-by-step explanation:

This is a quadratic expression

SOLVING:

(x - 6)(4x + 3)

x(4x + 3) -6(4x + 3)

4x² + 3x - 24x - 18

collecting like terms

<u>4x² - 21x - 1</u><u>8</u>

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What will be angle COD If: angle COD minus angle KOD equals 61degrees and angle COD minus angle KOC equals 53degrees?
kenny6666 [7]

Use algebra for such problems
let, Angle COD = x
Angle KOD = y
Angle KPC = z
Given ,. x - y = 61° ( Equation 1 )
x - z = 53° ( Equation 2 )
Subtract 1st equation from 2nd and you'll get :

z - y = 8° ( Equation 3 )
Now since , x + y + z = 180° ( Equation 4 )
Add Equation 3 to Equation 4 and you'll get
x + 2z = 188° ( Equation 5)
From Equation 2 we know that , x -z = 53°
or, x = 53° + z ( Equation 6 )
Put this value of 'x' in Equation 5 and solve for z. you'll get :
(53° + z) + 2z = 188°
or
3z = 188 - 53 = 135°
solving for z we get
z = 45°
put this value of z in Equation 5
x + ( 2 x 45° ) = 188°
or
x = 188° - 90° = 98°
hence , Angle COD = 98°














5 0
3 years ago
HELP ME, SOMEONE!!!
olya-2409 [2.1K]

Answer:

10KL/1000L

8KL/800L

800L/8KL

Step-by-step explanation:

7 0
2 years ago
Anyone know how to do this?
Novay_Z [31]
When you add 2pi to the angle, the amount is still the same. Therefore, you can make -17pi/4 positive by adding 6pi to it.

6pi + (-17pi/4)
= 24pi/4 - 17pi/4
= 7pi/4
8 0
3 years ago
What is the inverse of the function f(x) = 2x + 1?
Alexandra [31]

Answer:

f^{-1}(x) = \frac{x-1}{2}

Step-by-step explanation:

let y = f(x) and rearrange making x the subject, that is

y = 2x + 1 ( subtract 1 from both sides )

y - 1 = 2 ( divide both sides by 2 )

\frac{y-1}{2} = x

Change y back into terms of x and let x = f^{-1} (x), thus

f^{-1}(x ) = \frac{x-1}{2}

6 0
3 years ago
Experimental probability of spinning a 3
uysha [10]

Answer:

Depends on what it is.

Step-by-step explanation:

Calculating probability requires following a simple formula and using multiplication and division to evaluate possible outcomes of events like launching new products, marketing to larger audiences or developing a new lead generation strategy. You can use the following steps to calculate probability, and this can work for many applications that fall under a probability format:

1. Determine a single event with a single outcome

2. Identify the total number of outcomes that can occur

3. Divide the number of events by the number of possible outcomes

6 0
3 years ago
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