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weeeeeb [17]
2 years ago
10

Does anyone know the answer to the attached?​

Mathematics
1 answer:
user100 [1]2 years ago
7 0
6 ^ 2- 13(6) +42/ -5(6)^2+37(6)-42

36- 78+ 42/ -30^2+222-42
0/ 900+222-42
0/1,080
anything divided by 0 is 0
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A model satellite has a scale of 1 cm : 3 m. If the real satellite is 18 m wide, then how wide is the model satellite?
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2 years ago
What is the meaning of point (7.5, 12)?
zavuch27 [327]
It is in form (x,y) (ususally)
7.5 and 12
there is something called a coordinate system where a line called the y axis runs vertically for infinity and a line perpendicular to it, crosses it. the other line is called the x axis which also extends for infinity
the point where they cross is point (0,0) or the origin
basically the numbers tell you how far you are from the axises
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6 0
3 years ago
How to solve -4{1-2x}-1=7x
mina [271]

Answer:

<h2>x = 5</h2>

Step-by-step explanation:

-4(1-2x)-1=7x\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\(-4)(1)+(-4)(-2x)-1=7x\\\\-4+8x-1=7x\qquad\text{combine like terms}\\\\8x+(-4-1)=7x\\\\8x-5=7x\qquad\text{add 5 to both sides}\\\\8x-5+5=7x+5\\\\8x=7x+5\qquad\text{subtract}\ 7x\ \text{from both sides}\\\\8x-7x=7x-7x+5\\\\x=5

7 0
3 years ago
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GalinKa [24]

Answer:

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Plug in 4 for (h)

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The waiter earns 40 dollars in 4 hours.

Step-by-step explanation:

5 0
2 years ago
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frez [133]
(1/2,3)(2,3/4)
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(-9/4) / (3/2) = -9/4 * 2/3 = -18/12 = -3/2
4 0
2 years ago
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