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Rus_ich [418]
3 years ago
5

Estimate 78 percent of 20 A. 14 B. 16 C. 19 D. 2

Mathematics
1 answer:
MrRa [10]3 years ago
4 0
B is the answer............
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Please Help Me Will Pick the first correct answer brainliest
dimaraw [331]

Answer:

1 and 4 are correct :)

Step-by-step explanation:

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3 years ago
Is -2/9 greater or less then -4/9
Setler [38]
Greater than! With negative numbers, the number closer to 0 is always the greater value. The number farther away from 0 is the lesser value. When we compare fractions with the same denominator, we have to compare to numerator. -2 is greater than -4, therefore -2/9 is greater than -4/9.
4 0
3 years ago
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hi PLLSS HELP solve x2 – 8x = 20 by completing the square. Which is the solution set of the equation? {–22, 14} {–14, 22} {–10,
Anuta_ua [19.1K]

Answer:

{ - 2, 10 }

Step-by-step explanation:

Given

x² - 8x = 20

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 4)x + 16 = 20 + 16, that is

(x - 4)² = 36 ( take the square root of both sides )

x - 4 = ± \sqrt{36} = ± 6 ( add 4 to both sides )

x = 4 ± 6

Thus

x = 4 - 6 = - 2

x = 4 + 6 = 10

3 0
3 years ago
U 7.2.PS-9 Solve. 5 1 7 3*+ 3x = 173 + 3 The value of x is​
mafiozo [28]

Answer:

Example

Step-by-step explanation:

1 Determine if the value 3 is a solution of the equation .Notice in the equation 3x + 3 = x + 13, the solution 5 is not evident by . 2x-2x + 9 = 3x- 9-2x+ 9. 9 = x. from which the solution 9 is obvious. If we wish, we .

Missing: 7.2. ‎PS- ‎173.

hope this helped

6 0
3 years ago
2(2x + 3y = 23) 3(3x-2y = 2)
Darina [25.2K]

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

(2513,19978)Equation Form:x=2513,y=199.78

Step-by-step explanation:

7 0
3 years ago
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