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Sav [38]
3 years ago
8

Solve for a if the line through the two given points has the given slope.(a,5) and (1,−5),m=−2

Mathematics
1 answer:
Luba_88 [7]3 years ago
8 0

slope (m) = (y₂ - y₁)/(x₂ - x₁)

-2/1 = (a - 1)/(5 -(-5))

-2 = (a - 1)/10

-20 = a - 1

-19 = a

Answer: a = -19

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Can u help idk how to write it ?
d1i1m1o1n [39]
You are given Maggie's planning on going to Penn State University. You are also given that she could live there if she has more than $2,000 if she already bought a laptop at $450.

For part A, the inequality that we can form is x ≥ 2,450 because she needs more than $2,000 to survive after buying a $450 dollar worth laptop. Adding the two makes it 2,450.

For part B, if she has to withdraw $30 per week, then the inequality that we can form is x ≥ 2,450 - 30

For part C,
30x ≥ 2,000 
x ≥ 66.67

For part D, the answer 66.67 means that Maggie can have 66 times to withdraw $30 per week worth of food from her balance $2000.

8 0
3 years ago
6.<br>Share £120 in the ratio 5: 2:5. (Total 12 parts)​
OverLord2011 [107]

Answer:

50:20:50

This is because you add 5+2+5=12

120/12=10

5x10=50 2x10=20 5x10=50

4 0
2 years ago
Read 2 more answers
rectangle will have length 3n+ 6 and height 2n−1 inches, while the square will have side length n+ 2inches. Find the perimeter a
kifflom [539]

Answer:

Perimeter: 2(3x+6)+ 2(2x-4)

X=9

Step-by-step explanation:

In order to create the expression you just have to remember that the perimeter of a rectangle equals 2 bases plus 2 sides, so the expression would be:

Perimeter: 2(heights)+ 2(bases)

Perimeter: 2(3x+6)+ 2(2x-4)

IN order to solve for X we just have to insert the value of perimeter, which is 94:

Perimeter: 2(3x+6)+ 2(2x-4)

94=2(3x+6)+ 2(2x-4)

94= 6x+12+4x-8

94=10x+4

94-4=10x

x=90/10

x=9

So the value of x would be 9.

6 0
2 years ago
Is (-1,4) a solution of the inequality y&lt;2x+5?
Sveta_85 [38]
Let's plug x= -1, y= 4 in the inequation, we have:
4< 2*(-1)+5
⇒ 4< -2+5
⇒ 4< 3 (false)

Therefore, (-1,4) is not a solution of the inequation y<2x+5~
6 0
2 years ago
An exponential function f(x) is reflected across the y-axis to create function g(x). Which is a true statement regarding f(x) an
Kobotan [32]
It's B, I'm doing my online school assignment and this was the correct answer.
6 0
3 years ago
Read 2 more answers
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