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leonid [27]
2 years ago
15

4y+2x+3=0 find the value of x

Mathematics
1 answer:
Komok [63]2 years ago
6 0
X=-2y-3/2 idk what else to type
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About 245 out of 500 students prefer walking instead of riding the bus to school. About what percent of the students prefer walk
nasty-shy [4]

Answer:

49 percent

Step-by-step explanation:

So convert the fraction into a percentage

245/500= 49%

7 0
3 years ago
Solve the systems of equations y=2x and y=-x - 6
slava [35]

Answer:

y = -4

x = -2

Step-by-step explanation:

Hi there...

y = 2x

y = -x - 6

Since why is equal to 2x, we can plug it in for y in the second equation. Here's what I mean...

2x = -x - 6

add x on both sides...

3x = -6

divide by 3 on both sides...

x = -2

Now, plug in x for y. Here's what I mean...

y = 2x

y = 2 (-2)

y = -4

Hope this helps :)

7 0
3 years ago
100 people are running a marathon. How many different ways can the runners finish 1st, 2nd, and 3rd place?
andrew11 [14]

Answer:

970,200

Step-by-step explanation:

In a 100 man race, how many runners have the chance to finish first?

Answer 100.

Now that 1 person is first, how many runners could be second? Well, there are still 99 runners left, and any one of them could be second.

Answer 99.

How many can be third? Using the same idea as above, once one person is first and another is second, that leaves 98 people still running and trying for third. So how many can be in third?

Answer 98.

Now you need to do the math.

100 × 99 × 98 = 970,200

So there are 970,200 different ways.

Hope this helps!! Brainliest :) ?

3 0
2 years ago
A vendor sells pizza and soft drinks. A customer buys 6 slices of pizza and 5 drinks for $31.60. Another customer buys 5 slices
Irina-Kira [14]
let the price of a slice of pizza be 'p' and that of soft drink be 's'

   6 p + 5 s = 31.60............equation (i)
   5 p + 4 s = 26.02............equation (ii)

6 p + 5 s = 31.60............×4
5 p + 4 s = 26.02............×5

24 p + 20 s = 126.4
25 p + 20 s = 130.1

p = 3.7

   Answer = 3.7 Dollars
6 0
3 years ago
Read 2 more answers
Cassandra works at a bookstore. Yesterday, she sold 18 hardcover books. The rest of the books she sold were paperback books. She
Vika [28.1K]

Answer:

A

Step-by-step explanation:

if you take 23 and put it in for p 18+23=41

6 0
3 years ago
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