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almond37 [142]
3 years ago
14

Solve the simultaneous equation 28x+32y=88 and 32x+28y=92​

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
5 0

Answer:

Solving for x. Want to solve for y instead?

1 Factor out the common term 44.

4(7x+8y)=884(7x+8y)=88

2 Divide both sides by 44.

7x+8y=\frac{88}{4}7x+8y=

4

88

3 Simplify \frac{88}{4}

4

88

to 2222.

7x+8y=227x+8y=22

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pav-90 [236]

Answer:

(-4.5, 4.25)                The first one.

Step-by-step explanation:

Plug in -4.5 in for x and 4.25 for y in BOTH problems.  When you plug them in and they both work out for BOTH problems then its the answer.

7 0
2 years ago
Please help. I’ll mark you as brainliest if correct
zysi [14]

Answer:

12 + -6i

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Step-by-step explanation:

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6 0
2 years ago
Find the answer and explain​
Lynna [10]

Answer: It would be I, the 4th one.

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4 0
2 years ago
What are the answers?
sattari [20]

Answer:

1. yes

2. yes

3. no

4. no

Step-by-step explanation:

Replace x by each value of x.

x+32>44

1. yes

14+32>44\\46>44

2. yes

17+32>44\\49>44

3. no

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4. no (this is not a solution because the value must be greater than 44 not equal to)

12+32>44\\44>44

5 0
3 years ago
Read 2 more answers
Indra completed 80% of her test questions. If there were 120 questions, how many questions she complete
kramer

Answer:

96 questions

Step-by-step explanation:

Given that:

Total number of questions = 120

Percentage questions completed = 80%

Number of questions completed =?

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Number of questions completed = 120 * 0.8

Number of questions completed = 96

4 0
3 years ago
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