2 years ago

Please show me how to solve the problem

Mathematics

1 answer:

AlladinOne [14]2 years ago

4 0

Answer:

(3x+1)

Step-by-step explanation:

So i start by the little 2 and then the 3 and then 19x +6

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What size is the television screen shown in the illustration? Find if 20 in. and 15 in. ?

serg [7]

12 2 +16 2 = D2

D2= 144+256
D2= 400

D2= 400

7 0

3 years ago

9x+14=2x+35 what is the answer to this I do not get it

son4ous [18]

$9x+14=2x+35\\
7x=21\\
x=3$

8 0

4 years ago

Read 2 more answers

Help please!<br><br> | 2x^2 + 5x + 3 | > 0<br> solve the inequality

vovikov84 [41]

Factorize the quadratic.

$2x^2 + 5x + 3 = (2x + 3) (x + 1)$

We have $|ab| = |a||b|$ , so

$|2x^2 + 5x + 3| = |2x + 3| |x + 1| > 0$

Now, both $|2x+3|\ge0$ and $|x+1|\ge0$ (since the absolute value of any number cannot be negative), so we just need to worry about when the left side is exactly zero. This happens for

$(2x + 3) (x + 1) = 0 \implies 2x+3 = 0\text{ or }x+1 = 0 \\\\ \implies x = -\dfrac32 \text{ or } x = -1$

So the solution to the inequality is the set

$\left\{x \in \Bbb R \mid x\neq-\dfrac32 \text{ and } x\neq-1\right\}$

3 0

2 years ago

Plz help ........................

marysya [2.9K]

I will help you but I have a question

3 0

3 years ago

Milan bought 3 CDs that were each the same price. Including sales tax, he paid a total of $44.40. Each CD had a tax of $1.30. Wh

insens350 [35]

Answer:

$13.5

Step-by-step explanation:

Given data

We are given that the tax per CD is $1.30

Hence for the 3 CDs the total tax = 3*1.3= $3.9

Also, the cost of the three CDs before tax = 44.4-3.9

=$40.5

Hence the cost of each CD before tax is

=40.5/3

=$13.5

7 0

3 years ago