What is 4 plus 4 plus 4 plus 4 plus 1,3456

Mathematics

2 answers:

Iteru [2.4K]3 years ago

6 0

The answer to 4+4+4+4+13,456= is 13,472

NARA [144]3 years ago

4 0

In order to find this you must first write it out is a essayer form to solve so

4
     4
       4
    4
+13,456
------------
13,472

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Few math questions TIME IS RUNNING OUT!! PLEASE HELP!!!!

olya-2409 [2.1K]

1.

$|5+6x|\ \textless \ 13\\\\-13\ \textless \ 5+6x\ \textless \ 13$

so

$\begin{cases}5+6x\ \textless \ 13\\5+6x\ \textgreater \ -13\end{cases}$

Answers B and D.

2.

$|x+9|\geq11\\\\x+9\ \textgreater \ 11\qquad\vee\qquad x+9\leq-11\\\\
\boxed{x\geq2\qquad\vee\qquad x\leq-20}$

Answer D.

3.

The same as point 2. Answer D.

4.

Answer C.

3 0

4 years ago

A car's velocity is modeled by

Igoryamba

In accordance with the function velocity, the car will have a complete stop after 6 seconds.

Herein we have a function of the velocity of a car (v), in feet per second, in terms of time (t), in seconds. The car stops for t > 0 and v = 0, then we have the following expression:

0.5 · t² - 10.5 · t + 45 = 0

t² - 21 · t + 90 = 0

By the quadratic formula we get the following two roots: t₁ = 15, t₂ = 6. The stopping time is the least root of the quadratic equation, that is, the car will have a complete stop after 6 seconds.

To learn more on quadratic equations: brainly.com/question/2263981

#SPJ1

8 0

2 years ago

Solve the system of equations. – 9y + 4x – 11 = 0 - 3y + 10x + 31 = 0

Kruka [31]

value of x =-4 and value of y=-3

(-4,-3) is the solution of system of equations.

Step-by-step explanation:

We need to solve the system of equations

$-9y + 4x-11 = 0- 3y + 10x + 31 = 0$