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butalik [34]
4 years ago
13

Can some one help? I need help asap.

Mathematics
2 answers:
suter [353]4 years ago
7 0

Answer:

-19x+20

Step-by-step explanation:

So we need to simplify this the first step is

4x(2x-3)  The first part of the equation

4x(2x) - 4x(3)

8x -12x

-4x

then the second part

-5 (3x-4)

-5(3x)+20

-15x+20

add togeter

-4x-15x

-19x

-19x+20

Paraphin [41]4 years ago
4 0

Answer:

8x² - 27x + 20

Step-by-step explanation:

Given

4x(2x - 3) - 5(3x - 4) ← distribute both parenthesis

= 8x² - 12x - 15x + 20 ← collect like terms

= 8x² - 27x + 20 ← in standard form

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Suppose that y varies inversely with x. Write an equation for the inverse variation. y = 2 when x = 5
Colt1911 [192]
Inverse means 1 over the other so y=1/x, we are given that y=2 when x=5 so our equation turns into 2=/=1/5, these things do not equal so we have to add a coefficient to the right to make this statement true. I would select 10, so that it becomes y=10/x, when the values are plugged in it becomes 2=10/5 or 2=2. 
7 0
3 years ago
The value of a car is 18,500. It loses 10.3% of its value every year. Find the approximate monthly decrease in value. Round your
valentina_108 [34]

Answer:

$158.8

Step-by-step explanation:

There are 12 months in 1 year.

If in 1 year, it looses value of 10.3%, so in a month it will loose value of:

10.3%/12 = 0.8583% per month

So, to find the decreased value (in dollars) per month, we got to find 0.8583% of 18,500 dollars.

First, we need to convert percentage to decimal by dividing by 100. Then we multiply that to 18,500 to get our answer. So:

0.8583% = 0.8583/100 = 0.008583

Now,

0.008583 * $18,500 = $158.7855

Rounded to nearest tenth (1 decimal pae) = $158.8

6 0
4 years ago
(3)(5)(−3)(−2)(10)(−1).<br> Thank you!! :D
mote1985 [20]

Answer:

the awnser that i got is -900

6 0
3 years ago
Read 2 more answers
What is 6324 Divided by 32 and how to solve it by showing your workl
Viktor [21]

Answer:

197.625

Step-by-step explanation:

6324/32 = 1581 =8

6 0
3 years ago
Which ordered pair is a solution of x-y=2 and <br> 3y-x=8
Leokris [45]

The ordered pair is a solution of x - y = 2 and  3y - x = 8 is (x, y) = (7, 5)

<h3><u>Solution:</u></h3>

Given two equations are:

x - y = 2 and 3y - x = 8

<em><u>To find: orderes pair i.e (x, y)</u></em>

Let us consider:

x - y = 2 ------- eqn 1

3y - x = 8 --------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2 to find values of "x" and "y"</u></em>

On rearranging eqn 2, we get

-x + 3y = 8 ------ eqn 3

Add eqn 1 and eqn 3

x - y = 2

-x + 3y = 8

(+) ---------------

0 + 2y = 10

2y = 10

<h3>y = 5</h3>

Therefore from eqn 1,

x - y = 2

x - 5 = 2

x = 5 + 2 = 7

<h3>x = 7</h3>

Thus the ordered pair to the given equations are (x, y) = (7, 5)

8 0
3 years ago
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