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Alinara [238K]
3 years ago
13

You draw a line on a paper. Using your pencil, but without touching that line again, can you make the line longer?

Mathematics
1 answer:
aksik [14]3 years ago
3 0
Put a arrow on that line
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Find the range of the function. ƒ(x) = −x2 + 2 A)[2, ∞) B) (−∞, 2] C) [−2, ∞) D) (−∞, −2]
alex41 [277]
The answer is the letter D
5 0
2 years ago
The sum of two numbers is $30$. the difference of twice the larger number and three times the smaller number is $5$. what is the
Shtirlitz [24]
X+y=30
2x-3y=5

y=30-x

2x-3(30-x)=30
2x-90+3x=30
5x=120
x=24

y=30-x
y=30-24
y=6

The positive difference between the two numbers is 18.
8 0
3 years ago
Use the linear combination method to solve the system of equations. –2.1x + 4y = 5.3 2.1x – 5.5y = –0.2 What is the solution to
8_murik_8 [283]

Answer: (-9, -3.4)

x = -9

y = -3.4

Step-by-step explanation:

-2.1x+4y=5.3

2.1x-5.5y=-0.2

0-1.5y=5.1

-1.5y=5.1

y=-3.4

Then plug in -3.4 for y in the first equation to get x = -9

Hope it helps <3

3 0
3 years ago
Read 2 more answers
Solve for x<br><br> 2x + 10 = -3x - 15<br><br><br> A -5<br> B -7<br> C -4<br> D -2
Anestetic [448]
A, x=-5, use distributive property
5 0
3 years ago
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Given the equations below what is the value of y-x? <br>3x+4=-5y+8 <br>9x+11y=-8
Vikki [24]

Answer:

12

Step-by-step explanation:

If you solve the second equation and substiture to the first, you get y = 5, and x = -7.

5-(-7) = 5+7=12

4 0
3 years ago
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