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3 years ago

Write an inequality that represents the verbal expression. All real numbers less than 74

Mathematics

1 answer:

Zina [86]3 years ago

6 0

Hey there!

<span>x<74

Hope this helps!
~Jurgen</span>

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Evaluate the expression

Softa [21]

Answer:

900

Step-by-step explanation:

You would substitute n for 3 so it would be 60x3=180 then multiply that by 2 = 360. Then take the 180 and multiply that by -3 to get -540. Finally do 360 - (-540) into a calculator to get 900.

Hope this helps

Please mark me as Brainliest

3 0

3 years ago

IVE BEEN ASKING FOR AN HOUR PLEASE HELP! <br><br>find the value of x

Nikitich [7]

Answer:

I think the value of x is 3

3 0

3 years ago

8 divided by 832 (long division)

Artyom0805 [142]

Answer:

Step-by-step explanation:

832/8 math problems division = 104. Therefore 104 to 2 decimal places= 104

832/8 divided by 2 » (832/8) ÷ 2 » 104 ÷ 2 = 52

8 0

3 years ago

Graph a parabola whose x-intercepts are at x=-3 and x=5 and whose minimum value is y=-4

docker41 [41]

Answer:

(See explanation for further details)

Step-by-step explanation:

The standard equation of the parabola is:

$y + 4 = C \cdot (x-k)^{2}$

The formula is now expanded into a the form of a second-order polynomial:

$y + 4 = C\cdot x^{2} -2\cdot C\cdot k \cdot x +C\cdot k^{2}$

$y = C\cdot x^{2} - (2\cdot C \cdot k) \cdot x + (C\cdot k^{2}-4)$

The general equation of the second-order polynomial is:

$x = \frac{2\cdot C \cdot k \pm \sqrt{4\cdot C^{2}\cdot k^{2}-4\cdot C\cdot (C\cdot k^{2}-4)}}{2\cdot C}$

$x = k \pm \frac{\sqrt{C^{2}\cdot k^{2}-C^{2}\cdot k^{2}+4\cdot C}}{C}$

$x = k \pm 2\cdot \frac{\sqrt{C}}{C}$

$x = k \pm \frac{2}{\sqrt{C}}$

The equations to be solved are presented herein:

$-3 = k -\frac{2}{\sqrt{C}}$

$5 = k + \frac{2}{\sqrt{C}}$

Now, the solution of the system is:

$-3 +\frac{2}{\sqrt{C}} = 5 -\frac{2}{\sqrt{C}}$

$\frac{4}{\sqrt{C}} = 8$

$\sqrt{C} = \frac{1}{2}$

$C = \frac{1}{4}$

$k = 5 - \frac{2}{\sqrt{\frac{1}{4} }}$

$k = 1$

The equation of the parabola is:

$y = \frac{1}{4}\cdot (x-1)^{2} -4$

Lastly, the graphic of the function is included as attachment.

3 0

3 years ago

If t varies inversely with a and t is 2 when a is 36 what is t when s is 3

MaRussiya [10]

Answer:

t = 24

Step-by-step explanation:

Given that t varies inversely with a then the equation relating them is

t = $\frac{k}{a}$ ← k is the constant of variation

To find k use the condition t = 2 when a = 36, that is

2 = $\frac{k}{36}$ ( multiply both sides by 36 )

72 = k

t = $\frac{72}{a}$ ← equation of variation

Given a = 3, then

t = $\frac{72}{3}$ = 24

3 0

3 years ago