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gavmur [86]
3 years ago
13

Simplify the expression -2d-3+8d

Mathematics
2 answers:
shepuryov [24]3 years ago
4 0

Answer:

6d-3

Step-by-step explanation:

harkovskaia [24]3 years ago
3 0

Answer:

6d-3

Step-by-step explanation:

group like terms

-2d+8d-3

Add similar elements

=6d-3

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Please please help....
Elanso [62]
Problem 1

Plot 3 or 4 of the given points.  For example, plot (4,16) and one other point given in the table.  Draw a straight line through your points.  Look carefully:  Where does your line cross the y-axis?  If y = 14 (just an example, not the correct value), then the y-intercept is (0,14).

To find the slope of your line, choose any 2 of the given 4 points.  Find the slope of the line segment connecting those 2 points.  For example:
         24 - 16         8
m = ------------- = -------- = 2.  The slope of this line is m=2.
           8 - 4            4

Now you have both the slope (2) and the y-intercept (b).  The equation of this line is thus

y = 2x + b    (you found b earlier).
4 0
4 years ago
Manuel ordered pizza for a party. A vegetable pizza has 6 slices per pie. A cheese pizza has 8 slices per pie. Manuel ordered fo
nika2105 [10]

Answer:

20 Pizza

Step-by-step explanation:

Let the number of vegetable pizza be x

Given that

Manuel ordered four times as many cheese pizzas as vegetable pizzas

the number of cheese pizza = 4x

1. no of slice in 1 vegetable pizza pie = 6

no of slice in x vegetable pizza pie = 6x

2. no of slice in 1 cheese pizza pie = 8

no of slice in 4x cheese pizza pie = 8*4x = 32x

Total no of slice for x vegetable pizza and 4x cheese pizza = 6x+32x = 38x

Given that

total no. of 152 slices, therefore

38x = 152

=> x = 152/38 = 4

Thus, no. of vegetable pizza ordered = 4

no. of cheese pizza ordered = 4x = 4*$ = 16

Total no of pizza ordered = 16+4 = 20 (answer)

7 0
3 years ago
Write an equivalent expression: −12(−2x+4y)
WINSTONCH [101]

Answer:

24x-48y

hope this helps

have a good day :)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How is the decimal system related to the metric system?
AveGali [126]
The metric system<span> is a </span>decimal<span> measuring </span>system<span> that was made law in France during the French Revolution and is now used throughout the world. The </span>metric system<span> uses the metre (a unit of length) as its basic unit. Hope this helps. Have a nice day.</span>
7 0
3 years ago
How many kilograms are there in 45 pounds
arlik [135]
20.4117 kilograms is the answer
3 0
3 years ago
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