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Ahat [919]
3 years ago
9

Need help with math problems A-C. Please?

Mathematics
1 answer:
dolphi86 [110]3 years ago
3 0
A-10......C-he didn't notice that a domino has number that will equal 49 in multiplication but will not add up to be if its less than 4 dominos
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Gala2k [10]
The volume of the rectangular prism:

V = length × width × height

60x^3+145x^2+70x=5x(12x^2+29x+14)=5x(12x^2+21x+8x+14)\\\\=5x[3x(4x+7)+2(4x+7)]=5x(4x+7)(3x+2)

Answer: A.\ 5x(4x+7)(3x+2)
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3 years ago
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Which of the following is true for this graph? <br><br> Will give brainliest to correct answer.
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The answer is A. Slope is rise/run. According to the graph, you can trace out and see that it rises 1 and goes to the right 4 times. This means that it has a positive slope of 1/4. And the line crosses the y intercept at y = 3

So answer choice A is correct.

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2 years ago
Please help solve 2d + 7 =9
aleksandr82 [10.1K]

Answer:

D=1 or just 1, i dont get  what the question is

Step-by-step explanation:

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The last one would be negative.

Positive times positive = positive 

Positive times negative = negative

Negative times negative = positive

So basically, if there is an odd number of negatives, then it'll end up negative, with some exceptions. 

So now we know it has to either be the first one or the last one.

The first one is multiplied by 0, so it can't be that one.

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