3 years ago

Solve the compound inequality 7x ≥ –56 and 9x < 54.

Mathematics

2 answers:

ELEN [110]3 years ago

7 0

Hello,

7x ≥ -56

⇔ 7x / 7 ≥ -56 / 7

⇔ x ≥ -8

S = [-8 ; +∞[

9x < 54

⇔ 9x / 9 < 54 / 9

⇔ x < 6

S = ]-∞ ; 6]

:-)

Vedmedyk [2.9K]3 years ago

3 0

Answer: first one is x≥-8 second one is x<6

Step-by-step explanation: for the first one you divide both sides by 7 and the second won do the same except divide by 9 on each side

You might be interested in

Write a function f(x), which has a maximum and a y-intercept of -3

Inessa05 [86]

F(x)= -x^2 -3 (hope this helps)

6 0

3 years ago

For what value of x is the equation -3x + 7 = -17 true?

elena-s [515]

the answer is x=8

-3(8)= -24

-24+7=-17

8 0

3 years ago

Read 2 more answers

Which is greater -64 and -35

tekilochka [14]

-35 is greater because they are both negative, the number CLOSEST to 0 is greater

6 0

3 years ago

Read 2 more answers

A triangle has a base of 15 feet and a height of 9 feet. What is the area of the triangle? Label the figure. Write the formula,

bazaltina [42]

Answer:

135...................

8 0

3 years ago

Select the correct word to describe the function. the equation y = startfraction 5 x cubed over 8 endfraction represents functio

balandron [24]

The functions and their descriptions are:

Polynomial: $y = \frac{5x^3}{8}$ and $y = 5x^3 + 8$
Logarithm: $y = 6 + 0.25\ln(x)$
Exponential $y = \frac{18}{1 + 6e^{-0.25x}}$

<h3>How to describe the functions?</h3>

The functions are given as:

$y = \frac{5x^3}{8}$

$y = 6 + 0.25\ln(x)$

$y = \frac{18}{1 + 6e^{-0.25x}}$

$y = 5x^3 + 8$

The functions would be described based on the type of function they represent.

Functions that use the "ln" keyword are logarithmic functions, while functions that use the "e" keyword are exponential functions.