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2 years ago

All of the following are rational numbers except____.

Mathematics

1 answer:

Rudik [331]2 years ago

5 0

Answer:

3.14159

Explanation:

pi is irrational

Hope this helps!! <3

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Please help me with this. I think I understand it and know what it is but I just want someone to check it for me to see if I'm r

arsen [322]

Ok, so
Length = L
Width = L + 7

Since area = length x width, then

30 = L × (L + 7)

Remember that L + 7 Is width so...

L + 7 = 30/L

So the expression for the width in terms of length would be...
w = 30/L - 7

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3 years ago

What is the mean of the data set? 17, 24, 26, 13 4 13 20 80 plz hurry

yaroslaw [1]

Answer: 24.625

Order the numbers

Before: 17,24,26,13,4,13,20,80

After: 4,13,13,17,20,24,26,80

Add

4+13+13+17+20+24+26+80=197

Divide

197÷8=24.625

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3 years ago

Read 2 more answers

Can someone please help me with this (BTW ignore my writing)

Jobisdone [24]

ANSWER

On photo

EXPLANATION

Use the quadratic formula since the equation doesn't factorize not simplify by 3

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2 years ago

The height h in feet of a ball thrown vertically upward from the top of a 288-foot tall building is given by h=288+48t-16t^2 whe

mr Goodwill [35]

6 sec can take penny to strike the ground.

Solution:

Given data:

$H_0=288$ feet

$V_0=48$ feet

$h(t)=288+48t-16t^2$

Re-arrange the terms from greatest degree to smallest degree.

$h(t)=-16t^2+48t+288$

We can solve it by applying quadratic formula,

$$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

Here a = –16, b = 48, c = 288

$$t=\frac{-48\pm \sqrt{48^2-4(-16)(288)}}{2(-16)}$

$$t=\frac{-48\pm \sqrt{2304+18432}}{-32}$

$$t=\frac{-48\pm \sqrt{20736}}{-32}$

$$t=\frac{-48\pm144}{-32}$

Now, write find two t's using plus and minus operation.

$$t=\frac{-48+144}{-32},\ \ t=\frac{-48-144}{-32}$

$$t=\frac{96}{-32},\ \ t=\frac{-192}{-32}$

t = –3 (or) t = 6

We cannot write time is negative. so neglect t = –3.

Therefore t = 6.

Hence 6 sec can take penny to strike the ground.

8 0

2 years ago

What is the midpoint of a segment whose endpoints are (-5,6) and (-7,2)?

zloy xaker [14]

The answer to the question is b

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2 years ago

All of the following are rational numbers except____.​

All of the following are rational numbers except____.