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antiseptic1488 [7]
3 years ago
5

I need help with this math problem -3(4x-5)=123h

Mathematics
1 answer:
Otrada [13]3 years ago
4 0
The answer to your question is h=-4/41x+5/41
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Ivan made this table to show the number of calories in different numbers of servings of crackers.
nydimaria [60]

Answer:

8

Step-by-step explanation:

1 serving=60cal

480÷60=8

hope this helps

5 0
3 years ago
Angle C is an inscribed angle of circle P. Angle C measure (17x-2) and arc AB measure (20x+10). Find X
jeyben [28]
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5 0
3 years ago
Identify the steps needed to evaluate the expression below.<br><br> 8×1+(8+9)−38÷2×5
lbvjy [14]
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4 0
2 years ago
If(a²-1) x²+(a-1)x+a²-4a+3=0 is an identity in x, then find the value of a​
PtichkaEL [24]

Answer:

Step-by-step explanation:

(a^2-1)x^2+(a-1)x+a^2-4a+3=0\\\\Calculate\ and\ identify\ the\ polynomials\\\\\Longleftrightarrow\ a^2x^2-x^2+ax-x+a^2-4a+3=0\\\\\Longleftrightarrow\ a^2x^2+ax+a^2-4a+3=x^2+x+0\\\\\Longleftrightarrow\ \left\{\begin{array}{ccc}a^2&=&1\\a&=&1\\a^2-4a+3&=&0\\\end{array} \right.\\\\\Longleftrightarrow\ \left\{\begin{array}{ccc}(a-1)(a+1)&=&0\\a-1&=&0\\(a-1)(a-3)&=&0\\\end{array} \right.\\\\\\We\ must\ exclude\ a=-1\ and\ a=3\ (not\ solution)\\\Longrightarrow\ a=1\\

6 0
2 years ago
I need help Quick!! 42-46<br> Thank you!! :)
sergiy2304 [10]

Answer:

4

Step-by-step explanation:

3 0
3 years ago
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