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Georgia [21]
2 years ago
9

I need a answer pleas

Mathematics
1 answer:
NeTakaya2 years ago
8 0

Answer:

The answer is D

D. 30x + 15y

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A bag has 7 red marbles, 8 blue marbles, and 5 purple marbles. Rachel draws a marble from the bag without looking.
Fiesta28 [93]
First you would add all the marbles together because you need to know how many are in the bag in total.

7 + 8 + 5 = 20

Next you simply put the number for blue over the total

8 / 20

And there's your answer.
3 0
3 years ago
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Ex 2.6
Anna007 [38]
y=3x^4 -4x^3 -12x^2 +1\\
y'=12x^3-12x^2-24x\\\\
12x^3-12x^2-24x=0\\
12x(x^2-x-2)=0\\
12x(x^2+x-2x-2)=0\\
12x(x(x+1)-2(x+1))=0\\
12x(x-2)(x+1)=0\\
x=0 \vee x=2 \vee x=-1\\\\
\forall{x\in(-\infty,-1)\cup(0,2)}\ y'
y(-1)=3\cdot(-1)^4-4\cdot(-1)^3-12\cdot(-1)^2+1=3+4-12+1=-4=\\
=y_{min}
5 0
4 years ago
If 6x = 54, then x = ___. (Only input whole number) (100% Verified Answers ONLY!)
klio [65]
The answer is

x=9

Work: 6/54=9

100% Verified!

Hope This Helps!:)
5 0
3 years ago
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Could someone please explain to me how to solve this problem? Thanks! :)
BartSMP [9]

Answer:

First of all since they are dividing subtract the powers of the base from each other .

Make sure the bases are the same.

((6^7-6)(3^3-4))³

((6)(3^-1))³

(6³)(3^-3)

216 × 1/27

= 8

That's option d.

Hope this helps.

6 0
4 years ago
Adequate Preparation for Retirement. In 2018, RAND Corporation researchers found that 71% of all individuals ages 66 to 69 are a
Svetllana [295]

Answer:

A - Hopes this helps.

Step-by-step explanation:

4 0
3 years ago
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