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Zielflug [23.3K]

3 years ago

14

Maggie's brother is 3 years younger than twice her age. the sum of their ages is 24. write solve an equation to determine maggie

's age

1 answer:

drek231 [11]3 years ago

5 0

It would be 2x+3=24

Find x then you would plug it in for only 2x instead of the entire equation

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How do you do 4x^2+3x-10=0

Likurg_2 [28]

$4x^2+3x-10=0\\
4x^2+8x-5x-10=0\\
4x(x+2)-5(x+2)=0\\
(4x-5)(x+2)=0\\
x=\dfrac{5}{4} \vee x=-2
$

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3 years ago

In a factory that makes bolts, 20% of the bolts being made by a certain machine are defective. The factory owner wants to determ

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3 years ago

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If p is inversely proportional to the square of q, and p is 6 when q is 8, determine p

slavikrds [6]

Answer:

$p=96$

Step-by-step explanation:

Because p is inversely proportional to the square of q, we have that $p(q^2)=k$ for some constant k. We know that $p=6$ when $q=8$ , so we have that $k=(6)(8)^2=6*64=384$ .

We want to know what p is when q is equal to 2, so we have that $p(2)^2=384$ , which gives $4p=384$ , which gives $\boxed{p=96}$ .

Note: $\frac{96}{6}=(\frac{8}{2})^2$ . Coincidence?

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2 years ago

Can someone plz help me

nevsk [136]

1. 24 —-> 16 x 1.5
2. 3.5 ——> 42/12
3. 14 ———> 12/ (6/7)
4. 6.5 ——-> 10-3.5
5. 0.25 ——-> -4 + 4.25
6. 9.6 ——> 3.6 + 6
7. 3 ——> 45/15
8. 60 ——> distribute the 5 then add 100 to 200 and divide that by 5

9. 12 ——-> distribute the 2 then add 6 to 18 and divide that by 2

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3 years ago

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zubka84 [21]

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2 years ago