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ddd [48]
3 years ago
14

What is the order pair for x+y=4 and x= -1

Mathematics
1 answer:
ratelena [41]3 years ago
3 0
<span>x+y=4 and x= -1
-1 + y = 4
y = 5

order pair (-1, 5)</span>
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Jack is selling wristbands and headbands to earn money for camp. He earns $2 for each wristband and $3 for each headband. He wan
Oksi-84 [34.3K]
Your answer will most likely be a.
5 0
3 years ago
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A set of 5 numbers has a mode of 12 a median of 11 a mean of 10 what could the numbers be?
BabaBlast [244]
The median is 11, so 11 is part of the data set. We have an odd number of values (5) which is why the median is part of the data set.

The mode is 12. The value 12 shows up the most times. Let's say it shows up twice. So far the data set is {11, 12, 12}

Let's introduce two more numbers x and y
The new data set is {x, y, 11, 12, 12}

Add up the five values and then divide by 5. We want this result to be equal to 10
(x+y+11+12+12)/5 = 10
(x+y+35)/5 = 10
x+y+35 = 10*5
x+y+35 = 50
x+y = 50-35
x+y = 15

So we don't know what x or y is, but we know that they must add to 15. So all you have to do is list two numbers that add to 15. One such pair is x = 6 and y = 9. Another pair is x = 7 and y = 8. There are infinitely many possibilities if you can use any real number. 

So one possible set is {6, 9, 11, 12, 12}
Another possible set is {7, 8, 11, 12, 12}
4 0
3 years ago
Read 2 more answers
Help it’s urgent please
Anon25 [30]

Answer:

\frac{5 {x}^{2}  + 20xy + 20 {y}^{2} }{x ^{2} - xy -  {6y}^{2}  }

To simplify first factorize both the numerator and the denominator

For the numerator

5x² + 20xy + 20y²

Factor 5 out

5 ( x² + 4xy + 4y²)

Using a² + 2ab + b² = ( a + b)²

The numerator is

5( x + 2y)²

For the denominator

x² - xy - 6y²

Rewrite -xy as a difference

x² + 2xy - 3xy - 6y²

Factorize

We have the denominator as

( x + 2y)( x - 3y)

So we now have

<h2>\frac{5(x + 2y)(x + 2y)}{(x + 2y)(x - 3y)}</h2>

Simplify

<h2>\frac{5(x + 2y)}{x - 3y}</h2>

We have the final answer as

<h2>\frac{5x + 10y}{x - 3y}</h2>

Hope this helps you

8 0
3 years ago
Mhanifa please help asap! I will mark brainliest!
PIT_PIT [208]

Answer:

(6)

<u>Isosceles trapezoid</u>

  • ∠R and ∠S are supplementary
  • ∠S≅∠T, ∠R≅∠V
  • m∠S = m∠T = 54°
  • m∠R = 180° - 54° = 126°

(9)

<u>Midsegment is half the sum of the base lengths</u>

  • ST = 1/2(FP + EQ)
  • 3.1 = 1/2(2.7 + EQ)
  • 2.7 + EQ = 6.2
  • EQ = 6.2 - 2.7
  • EQ = 3.5

3 0
3 years ago
How many times is 5 x 10^6 larger than 5 x 10^4
gayaneshka [121]
<h3>Answer:</h3>

By <em>100 times</em>.

Step-by-step explanation:

Each time something is in Scientific Notation, to every power of 10 something is multiplied by, it grows by 10 times.

By knowing that, if both equations use the same starting number, you can minus the notation section from the larger value, to find the answer.

10^6 - 10^4 = 10^2 ---> 100 times.

Hope that helps, :)

3 0
3 years ago
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