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olga55 [171]
2 years ago
12

1x+11y=55 substitution

Mathematics
1 answer:
STatiana [176]2 years ago
4 0

Answer:

y = -1/11 + 5

Step-by-step explanation:

1x + 11y = 55

-1x          -1x

11y = -1x + 55

/11        /11

y = -1/11 + 5

Hope this helps!

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find the smaller of 2 consecutive integers,x, if the sum of the smaller and 6 times the larger is -29
AnnyKZ [126]

Answer:-  The smaller integer is -5.


Explanation:-

Let the first consecutive integer be x and the second consecutive integer be x+1.

According to the given question:-

x+6(x+1)= -29

⇒x+6x+6= -29   [distributive law]

⇒x+6x= -29-6    [subtract 6 on the both sides]

⇒7x= -35      [combining like terms ]

⇒x= -5          [dividing 7 on both sides]

Thus the smaller integer =x= -5

larger integer =x+1= -5+1= -4

3 0
3 years ago
Can someone please help me on this one question?
Katyanochek1 [597]
A+30 = 60
a = 30

a + 2b = 60
30+2b = 60
2b = 30
b = 15

5b - 5c = 60
5(15) - 5c = 60
5c = 15
c = 3

10c + d = 60
10(3) + d = 60
30 + d = 60
d = 30

2d + 6e = 180 - 60
2(30) + 6e = 120
6e = 60
e = 10

4f + 4e = 120
4f + 4(10) = 120
4f = 80
f = 20
5 0
3 years ago
Starting in 2011. the tax rate in Illinois changed to 5% of personal income Previous, the tax rate was 3% of personal income. Th
never [62]

Answer:

For the first one you would want to multiple the following:

Step-by-step explanation:

32,000 x 0.03 = 960

And The Second One:

32,000 x 0.05 = 1,600

3 0
3 years ago
A chess club plans to sell water to raise $425 and they already have 175, if they sell water bottles for 8$ each, at least how m
alisha [4.7K]

Answer:

32 water bottles

Step-by-step explanation:

8x=425-175

425-175=250

250 is how much more they need.

8x=250

x=31.25

You can't have half of a bottle... so round up to at least 32 water bottles

4 0
3 years ago
M% of n is what percent of p?<br> FIND FOR PERCENT
makvit [3.9K]

Answer:

m*p/n = percent

Step-by-step explanation:

m% of n is what percent of p?

We can use ratios

m             percent

------- =  ---------------

n                    p

Using cross products

m*p = n * percent

Divide each side by n

m*p/n = percent

5 0
3 years ago
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