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3 years ago

Jill says that 12.6 is less than 12.63. explain her error

Mathematics

1 answer:

kenny6666 [7]3 years ago

7 0

No the both are having first integer same and jolly dosen’t mention the 2nd integer after the decimal that is her error

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strojnjashka [21]

Answer:

Step-by-step explanation:

3x - 4y = 13 (1)

2x + y = 5 (2)

——————

3x - 4y = 13

4(2x + y = 5) (2) times 4

——————-

3x - 4y = 13

8x + 4y = 20

——————-

11x = 33

x = 33/11

x = 3

Plug x = 3 in (2):

2(3) + y = 5

6 + y = 5

y = 5-6

y = -1

Thus, x = 3 and y = -1

4 0

2 years ago

Which answer choice is a solution to the inequality 1.5x + 3.75 greater than or equal to 5.5

irga5000 [103]

Answer:

x≥ $\frac{7}{6}$

Step-by-step explanation:

given 1.5x+3.75≥5.5

→ 1.5x≥5.5-3.75

→ 1.5x≥1.75

→ x≥ $\frac{1.75}{1.5}$

→ x≥ $\frac{7}{6}$

8 0

3 years ago

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Simplify the expression please

Reika [66]

$\bf -2(3+2i)+2(4-5i)\implies 
\\\\\\
-6+8-10i-4i\implies \boxed{2-14i}$

3 0

3 years ago

How did you get the 600?

Arisa [49]

By adding until there.

4 0

2 years ago

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Rewrite the fraction in the sentence below as a percentage.

harkovskaia [24]

Answer:

62%

Step-by-step explanation:

31/50 is also equal to 62/100 (if we multiply the numerator and denominator by 2). 62/100 is 62%.

5 0

2 years ago

Read 2 more answers