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Elenna [48]
3 years ago
5

Equation 1: 5x + 3y=8 equation 2: 4x + 7y= 34 9x-10y=42 true

Mathematics
2 answers:
jarptica [38.1K]3 years ago
8 0

Answer:

true

Step-by-step explanation:

5x + 4x = 9x

3y + 7y = 10y

8 + 34 = 42

stepan [7]3 years ago
3 0

Answer:

False

Step-by-step explanation:

5x+3y=8

4x+7y=34

Then:

5x+4x+3y+7y=9x+10y

9x+10y=43 not 9x-10y

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The price of an iPhone was 450$, the sale decrease its price to 292.50$.The question is what is the discount 65% or 55% or 35%​
nasty-shy [4]

Answer:

35%

Step-by-step explanation:

Discount = 450 - 292.50

               = $157.50

Discount% = (157.50/450*100 = 35%

6 0
4 years ago
If x = 5 and 5 = y, then x = y
garri49 [273]
You are right. Transitivity means, that:
if a = b and b = c, then a = c
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5 0
3 years ago
What is the solution for x in the equation? -2x + 14 + 10x = 34 A. X=6 B. X=2/5 C. X=1/8 D. X=5/2
julsineya [31]

Answer:

Step-by-step explanation:

x =(10-√-800)/2=5-10i√ 2 = 5.0000-14.1421i

x =(10+√-800)/2=5+10i√ 2 = 5.0000+14.1421i

5 0
3 years ago
What are the amplitude and midline?
Vadim26 [7]

Answer:

Amplitude 3; midline y=2

Step-by-step explanation:

The midline is the mean of both ends of the function in the graph.

\frac{5-1}{2}=2

The amplitude is the vertical distance between the midline and one of the end points.

5-2=3

(sorry for the basic math, i just want to make sure you know where im getting the values from)

7 0
3 years ago
Answer this math question please
Sonbull [250]
0.5 kg 
hope it helps.
5 0
3 years ago
Read 2 more answers
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