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NikAS [45]
3 years ago
9

2/7 (x +4) = 6 solve for x​

Mathematics
2 answers:
hodyreva [135]3 years ago
7 0

Answer:

x=17

Step-by-step explanation:

Alex787 [66]3 years ago
4 0

the answer is x = 17

;)

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Hiii, I would love it if you can help me with these! I tried my best but it's really hard and I don't understand this.
AveGali [126]

Answer:

3rd Answer =Option A is the Correct Answer

Step-by-step explanation:

5 0
3 years ago
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Which equation is y = 9x2 + 9x – 1 rewritten in vertex form?
Llana [10]

Answer:

1. y = 9(x+1/2)^2 -13/4

Step-by-step explanation:

y = 9x^2 + 9x – 1

first isolate the x terms

y = 9(x^2 +x) -1

then add 1/4 inside the brackets to make it a perfect square trinomial (half of the coefficient of the x term squared is how we get 1/4)

since we just added 1/4 we need to subtract what we just added to balance the equation. so 1/4 times 9 is 9/4 ( the number we just added to the equation). then you subtract 9/4 outside of the brackets.

y = 9(x^2 +x +1/4) -1 -9/4

then simplify

y = 9(x+1/2)^2 -13/4

6 0
3 years ago
Answer? please help :))
gtnhenbr [62]

Answer:

(0,1)(4,9)

Step-by-step explanation:

8 0
3 years ago
I really need someone's help!
Lyrx [107]

We  \: have \:  an  \: inequality: 2(2w + 7 + w + 5) \geqslant 72\\ \Leftrightarrow 3w + 12 \geqslant 36\Leftrightarrow 3w \geqslant 24\Leftrightarrow w \geqslant 8

5 0
3 years ago
A coffee supply store waits until the orders for its special coffee blend reach 100 pounds before making up a batch. Coffee sell
Daniel [21]
Let x represent the number of pounds of $10.75/lb coffee used in the mix.
.. 10.75x +3.25(100 -x) = 5.65*100 . . . . . . total cost of coffee blend
.. x(10.75 -3.25) = 100*(5.65 -3.25) . . . . . .separate x-terms from non-x terms
.. x = 240/7.5 = 32

32 pounds of $10.75/lb coffee should be used
68 pounds of $3.25/lb coffee should be used
7 0
3 years ago
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