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Alisiya [41]
2 years ago
6

What is the slope of the line graphed below? A) -5/2 B) 5/2 C) -2/5 D) 2/5

Mathematics
1 answer:
Oxana [17]2 years ago
6 0
C) -2/5, the slope is negative because your rise goes downward, and you always put rise over run so its -2/5 instead of -5/2
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Simplify 2(x + y) + 3(x + y). <br> 2xy + 3xy <br> 5xy <br> 5x + 5y
Flauer [41]
2(x + y) + 3(x + y)

first distribute:
(multiply 2 into everything in the first parenthesis, and 3 into everything in the second)
2x + 2y + 3x + 3y
Second simplify (add all like terms (adding in this case) )
(2x + 3x) + (2y +3y)
5x + 5y

your answer is: 5x + 5y

hope this helps
6 0
3 years ago
Read 2 more answers
Please help<br><br> Solve the inequality.<br> -1 &lt; 2x + 5 &lt; 4<br> [?] sxs H
ser-zykov [4K]

Answer:

-1-5<2x+5-5<4-5

-6<2x<-1

-3<x<-1/2

3 0
2 years ago
Can someone PLEASE solve this quadratic equation by factoring with the steps? :(
salantis [7]

Answer:

There are no simple factors to this expression.  You can however solve for x, giving you:

x = -1 ± √(y + 3)

Step-by-step explanation:

There is no simple pair of factors to this equation, so we'll have to go through the full process.  You can see that by observing that there is no pair of rational numbers that add to make 2 and multiply to make -2.  We can however solve for x:

y = x^2 + 2x - 2\\y + 2 = x^2 + 2x\\y + 3 = x^2 + 2x + 1\\y + 3 = (x + 1)^2\\(x + 1)^2 = y + 3\\x + 1 = \pm \sqrt{y + 3}\\x = -1 \pm \sqrt{y + 3}

5 0
3 years ago
Hi, can you help me with these? <br>It's really hard :(​
Shalnov [3]

Answer:

44 Rachel earn in 10 hour

8 0
3 years ago
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Help, please! ASAP!!!​
Diano4ka-milaya [45]

Answer:

Angle A is 77°

x = 3

AC = 13

Step-by-step explanation:

Angles A, B and C MUST add up to 180°.  If Angle C is 26°, then the sum of A and B and 26° = 180°.  In other words, A+B = 180° - 26° = 154.

Since A and B are equal, A = B = 154°/2 = 77°

Since this triangle is isosceles, sides AC and BC are equal.  Thus,

7x - 8 = 3x + 4, or

4x = 12.  Then x = 3.

Since AC = 7x - 8, and x = 3, AC = 7(3) - 8 = 21 - 8 = 13

5 0
3 years ago
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