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Natasha_Volkova [10]
3 years ago
12

I forgot where I start

Mathematics
2 answers:
Alla [95]3 years ago
8 0
Okay, if x-y=11, then y + 11 = x
Now, apply this to the next equation. Since we know y + 11 = x, we can use this instead of x
2(11+y)+y=19
22+2y+y=19
22+3y=19
now make 3y alone
3y=19-22
3y=(-3)
y=-1
Plug y to our first equation to get x
x = 11+-1
x=10
Hope this helps :)
 
Minchanka [31]3 years ago
4 0
Add these eqn and then you have to cancel out (y) after that add x and 2x which is equal to 3x and also add RHS i.e.30 and divide it by 3
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sergey [27]

Answer:

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Step-by-step explanation:

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Total is 3+5+5 = 13

Red hair is 5

P( red hair ) red / total = 5/13 =.384615385

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3 years ago
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Find the solutions of the quadratic equation 3x^2 + 9x + 17 = 0
kirill115 [55]

Answer:

x=  

6

9−  

285

​  

 

​  

=  

2

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​  

−  

6

1

​  

 

285

​  

=−1.314

x=  

6

9+  

285

​  

 

​  

=  

2

3

​  

+  

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285

​  

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Step-by-step explanation:

8 0
3 years ago
1.How much taller Porter is than Henry, given that Porter is n inches tall and Henry is m inches tall. 2.How many times as tall
EleoNora [17]

Answer:

Porter is n-m inches taller than Henry.

Porter is \frac{n}{m} times taller than henry.

Step-by-step explanation:

The difference in height can be found using subtraction.

Since Porter is taller than Henry, we'll subtract away Henry's height from Porter's height. This will leave us with only the difference between the heights.

n = Porter's height

m = Henry's height

Difference in height is thus:

n-m

Answer: Porter is n-m inches taller than Henry.

To find out how many times taller Porter is than Henry, we can use division.

An example: if Porter was 200cm, and Henry was 100cm, Porter is obviously 2 times as tall.

If we divide Porter's height by Henry's height...

\frac{200}{100}=2

..we'll get 2. This is because Henry's height "fits in twice" in Porter's height. 100 fits twice in 200.

Using our values, n and m, we'll divide n by m.

\frac{n}{m}

Answer: Porter is \frac{n}{m} times taller than henry.

3 0
3 years ago
What is the answer to the question. Solve for x
slega [8]

Answer:

Answer:

x=\frac{75}2

Step-by-step explanation:

Give letters, as in the attached image.

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2 years ago
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