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Dima020 [189]
4 years ago
12

The y-intercept of the line whose equation is 7x - 4y = 8 is

Mathematics
1 answer:
Dennis_Churaev [7]4 years ago
3 0
7x-4y=8
convert to y=mx+b form (slope form): -4y=8-7x
simplify: 
-4y=8-7x
4y=7x-8
y=\frac{7}{4x}-2

let's take a look at the equation again: y=mx+b
mx stands for slope or rate of change and b stands for the y-intercept
so the y-intercept of the line is (0,-2)
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Erica recieves a $4,300 loan for her tuition which charges simple interest annually at a rate of 4.4%. How much interest will Er
Scrat [10]

Answer:

d) $946

Step-by-step explanation:

4.4% of 4300 = 189.2

simple interest is the value (189.2) x the amount of years (5)

189.2 x 5 = 946

4 0
3 years ago
HELP PLEASE!!!!
Daniel [21]

Answer: A. Use Pythagorean Theorem to prove that KL is equal to c.

=========================================================

Explanation:

If we could show that KL = c, then we can tie together the following pairs of segments

  • EG = KM = a
  • GF = ML = b
  • EF = KL = c

Then we'd use the SSS congruence theorem to prove the triangles are congruent. The last step is to use CPCTC to conclude that angle EGF is a 90 degree angle.

Keep in mind that we need to know the actual numeric values of 'a' and 'b' to be able to determine the value for c. So without the numbers, the Pythagorean theorem isn't really useful; however, I can see where your teacher is going with this line of logic. Your teacher is effectively just laying out a basic outline more or less.

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Notes:

  • SSS = side side side
  • CPCTC = corresponding parts of congruent triangles are congruent
4 0
3 years ago
2/3 x - 4 equal negative 2​
Fiesta28 [93]

Answer:

x = 3

Step-by-step explanation:

Given

\frac{2}{3} x - 4 = - 2

Multiply through by 3 to clear the fraction

2x - 12 = - 6 ( add 12 to both sides )

2x = 6 ( divide both sides by 2 )

x = 3

5 0
3 years ago
1. Find the possible values for s in the inequality 12s – 20 ≤ 50 – 3s – 25.
Elan Coil [88]
12s - 29 < 50 - 3s - 25

Like terms

12s - 29 < 25 - 3s
+3s. +3s

S cancels

15s - 29 < 25
+ 29. +29

15s. < 54
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4 0
4 years ago
Read 2 more answers
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natali 33 [55]

Answer:

6x^2  − 10x − 24

Step-by-step explanation:

2(3x + 4)(x - 3)

(6x + 8)( x − 3)

6x^2  − 18x + 8x − 24

6x^2  − 10x − 24

7 0
2 years ago
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