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GalinKa [24]
3 years ago
13

When a number is decreased by 43%, the result is 20. What is the original number

Mathematics
2 answers:
HACTEHA [7]3 years ago
8 0

Answer:

idk

Step-by-step explanation:

because i said so.

Aleksandr-060686 [28]3 years ago
4 0

Answer:

47

Step-by-step explanation:

You would just do the opposite. Instead of multiplying the .43 by the original you divide the product by .43 to get 46.5. 46.5 rounded is 47.

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The quotient of a number and 3, increased by 4 is 5, what is the expression
Semmy [17]

Answer: The answer would be 3 +n +4 = 5

Step-by-step explanation:

Welcome

3 0
2 years ago
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List all the composit numbers between 1-10
torisob [31]
The answer is 4, 6, 8, 9, and 10. The following numbers (1, 2, 3, 5, and 7) are prime numbers.
6 0
3 years ago
A theater has 1200 seats. each row has 20 seats. write and solve an equation to find the number xx of rows in the theater. an eq
hammer [34]
The equation is 20x = 1200
x=1200÷20
x=60 rows
5 0
3 years ago
PLS HELP ILL MARK CROWN
jok3333 [9.3K]

Answer:

4x−7

Step-by-step explanation:

Being given our polynomial:

4x^{2}+ x - 14,

We must find the roots to get our answer.

x = (- 1 ± √(1 - 4*4*(-14)) / 8

x = (- 1 ± √225) / 8

x = ( -1 ± 15) / 8

x₁ = (- 1 + 15)/ 8 = 14/8 = 7 / 4

x₂ = (- 1 - 15) / 8 = - 16/2 = - 8

The factors we came up with:

(x - x₁)(x - x₂)

(x - 7/4)(x + 8)

1/4(4x - 7)(x + 8)

So,

The correct option is C.

:)

6 0
3 years ago
Read 2 more answers
Check please :D <br> 12345678901234567890
bagirrra123 [75]

Answer: All but one was right

1. 0 (correct)

2. 34 (correct)

3. 398 (correct)

4. -350 (correct)

5. 20 (correct)

6. 200 (wrong)

7. 48 (correct)

8. -1000(correct)

9. 150 (correct)

10. -55 (correct)

Step-by-step explanation:

(2x5)x(9÷3)+4=10x3+4=30+4=34

4(25x8÷2)+3-5=4(200÷2)+3-5=4x100+3-5=400+3-5=403-5=398

-10x20-30(5)=-200-150=-350

5x10-30=50-30=20

4(50-20÷4)+20=4(50-5)+20=4x45+20=180+20=200

3x4(20÷5)=12x4=48

-20(50x2)+5(200)=-20x100+5x200= -2000+1000=-1000

20x5+70-20=100+70-20=170-20=150

-5+10x(-5)==5+-50=-55

6 0
2 years ago
Read 2 more answers
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