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algol13
2 years ago
7

Which expression is equivalent to -4 (y + 3 - b)

Mathematics
1 answer:
AlexFokin [52]2 years ago
4 0

Answer:

-4y-12+4b

Step-by-step explanation:

<u>Use the </u><u>Distributive Property:</u>

- 4(y + 3 - b)

- 4y - 12 + 4b

-4y-12+4b is an equivalent expression.

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3 years ago
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7 0
2 years ago
Line p has a slope of -3. Line t is perpendicular to line p and passes through the point (9,2). What is the equation for line t?
olganol [36]

Answer:

y = (1/3)x - 1

Step-by-step explanation:

The product of the slopes of perpendicular lines is -1. That makes the slopes of perpendicular lines negative reciprocals. Since line p has slope -3, the slope of line t is 1/3. Also, line t passes through point (9, 2).

y = mx + b

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y = (1/3)x + b

Now we replace x and y with the x- and y-coordinates of the given point, respectively, and we solve for b.

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8 0
2 years ago
The sum of two numbers is fourteen. One number is two less than three times the other. Find the numbers.
Margarita [4]
So, for the first variable, you would use x, and for the second, y. Then, you would write out 2-(3y)=14. once this is done, youd simplify to 2-3y=14. Subtract 2 from both sides to get 3y=12. Then, divide both sides by 3. this will leave you with y=4. From this you can see the other number is ten. Hope this helped! and i apologize if it is incorrect!
7 0
3 years ago
Can somebody please help me with this?
alexdok [17]
3a) 3:1 or 3/1
3b) 3:4 or 3/4
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7) Because money is always on top of time, amount, weight, etc.

6 0
3 years ago
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