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Kitty [74]
3 years ago
10

4x - 2y = 8 in standerd form plz

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
6 0
Answer
2x-y=4
Hope this helps!!!
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A deli sells 2 hot dogs for $2.50. What is the constant of proportionality of dollars per hot dog?
Alik [6]

Answer:

$1.25 per hot dog

Step-by-step explanation:

Since we have given that

A deli sells 2 hot dogs for $2.50

i.e.

Cost of 2 hot dogs = $2.50

And we need to find the constant of proportionality of dollars per hot dog, for which we'll use unitary method.

So,

Cost of 1 hot dog is given by

2.50/2=$1.25

So, Cost of per hot dog is $1.25.

Hope this helps :)

7 0
3 years ago
What is 5 1/2 - 2 2/3 ?
shepuryov [24]
5(1/2)-2(2/3)=11/2-8/3=(11*3)/(2*3)-(8*2)/(3*2)=(3*11-2*8)/6=(33-16)/6=17/6=2(5/6)
so the answer is 17/6 or 2(5/6)
5 0
4 years ago
On a stopwatch, the tip of the second hand moves 2 cm in 15 seconds. How long is the second hand (to the nearest tenth)?
Komok [63]
The 'seconds' hand on the watch goes all the way around in 1 minute. <span>15 seconds is 1/4 of a complete 1-minute revolution. </span>So, the 2 cm is 1/4 of the way around the circle that the tip makes. This makes the full circumference of the circle 8cm.

<span>The length of the second hand will be the radius of the circle. Use the following equation: </span>

2 pi radius  =  circumference

Since we know the circumference, plug that in, and solve for the radius:

2 pi radius  =  8 cm              
radius  =  8cm / 2 pi  =<span>  1.27 cm</span>
4 0
4 years ago
Read 2 more answers
Which represents all the values of x that make the rational expression 2x-4 over x-5 undefined?
mixas84 [53]

For this case we have the following expression:

\frac {2x-4} {x-5}

By definition, we have the expression undefined when the denominator is 0.

So:

x-5 = 0

Adding 5 to both sides of the equation:

x-5 + 5 = 5\\x = 5

Thus, the expression is undefined when x = 5.

Answer:

Option B

5 0
3 years ago
8) Sumeya bought 2 packs of scrunchies for $31.75. How much
frutty [35]
Divide $31.75 by 2 to find out the cost for 1 pack. Then multiply that total times 3 to get the total for 3 packs.

31.75/2 = 15.875

15.875 x 3 = 47.625, rounded to $47.63
5 0
3 years ago
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