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Law Incorporation [45]
3 years ago
13

Expression equivalent?8x2 - 5x + 3x(4 - 2x)​

Mathematics
2 answers:
Setler79 [48]3 years ago
6 0

Answer:

x • (2x + 7)

Step-by-step explanation:

2.1     Pull out like factors :

  4 - 2x  =   -2 • (x - 2)

Equation at the end of step  2  :

 ((8 • (x2)) -  5x) +  -6x • (x - 2)

Step  3  :

Equation at the end of step  3  :

 (23x2 -  5x) +  -6x • (x - 2)

Step  4  :

Step  5  :

Pulling out like terms :

5.1     Pull out like factors :

  2x2 + 7x  =   x • (2x + 7)

aleksklad [387]3 years ago
5 0

Answer:

Step-by-step explanation:

8x² - 5x + 3x(4 - 2x) =8x² - 5x + 3x*4 - 3x*2x

= 8x² - 5x + 12x - 6x²

Now add the like terms

= 8x² - 6x² - 5x + 12x

= 2x² + 7x

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A 30-year loan of $1,000 is repaid with payments at the end of each year. Each of the first ten payments equals the amount of in
Lilit [14]

Answer:

X = $374.16

Step-by-step explanation:

First we have to calculate for the amount of interest using compound interest formula

A = P(1+(r/n))^(nt)

P (principal) = 1000

r (rate) = 10% = 0.1

t (time in year) = 30

n (number of recursion per year) = 1

A = 1000(1+(0.1/1))^(1*30) = 17,449.40

Amount of compound interest for 30 years is

I = A - P = 17,449.40 -1000 = 16,449.40

Amount of interest due per year

= I/30

= 16,449.40/30 = 548.313

The guy paid the same amount of interest due for the first 10 years

548.313*10 = 5483.13

And the next 10 payments equal to 150% of the interest due (150% = 1.5 times)

548.313*10*1.5 = 8224.7

Total of paid interest is

8224.7 + 5483.13 = 13707.83

So, the balance unpaid loan is

17449.40 - 13707.83 = 3741.57

This balance payment is dividend for the last 10 years, so

3741.57/10 = 374.16

So X = $374.16

8 0
2 years ago
3. Choose the equation that correctly shows the Commutative Property of Multiplication. 5 × 1 3 = 1 3 ÷ 5 5 × 1 3 = 5 × 1 3 5 +
Andrews [41]

According to the commutative property of multiplication, changing the order of components has no effect on the product. The correct option is B.

<h3>What is the commutative property of multiplication?</h3>

According to the commutative property of multiplication, changing the order of components has no effect on the product.

For example: 4 × 8 = 8 × 4 = 32

The equation that correctly shows the Commutative Property of Multiplication is,

5 × 1 3 = 5 × 1 3

Hence, the correct option is B.

Learn more about the Commutative Property of multiplication:

brainly.com/question/14391436

#SPJ1

8 0
1 year ago
How to find slope when there is the y intercept and x-intercept?
natta225 [31]
First graph your x and y intercept then pick any two points on the line.
\frac{rise}{run} = \frac{y2 - y1}{x2 - x1}
that's the equation used to find your slope

Example:

(4,2) (8,6) let's say those are the points you pick from the line

so then you subtract 6-2=4 (6 is your y2 and 2 is your y1)

then subtracts 8-4=4 (8is your x2 and 4 is your x1)

then your left with
\frac{2}{4}
if you can reduce the reduce in this case you can which leaves you with
\frac{1}{2}
and that's how you find the slope
4 0
3 years ago
Suppose a normal distribution has a mean of 62 and a standard deviation of
lutik1710 [3]

Answer:

62.5%

Step-by-step explanation:

(56 - 62) / 4 = -1.5 z score = 0.0668

(64 - 62) / 4 = 0.5 z score = 0.6915

0.6915 - 0.0668 = 0.6247

Rounded this becomes 62.5%

7 0
2 years ago
Integer Basics
Furkat [3]
Can you retype whatever you’re asking in this please?
7 0
3 years ago
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