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nexus9112 [7]
3 years ago
10

Give one example of an equation with variables on both sides that has all real numbers as the solution. Also give an example of

an equation with variables on both sides that has no real solutions.
Mathematics
1 answer:
Ghella [55]3 years ago
6 0
1) 2x + 3 = 2x + 3
This works because if you solve it, you will get either x = x or 3 = 3 which are always true, so x, can have an infinite number of solutions
2) 3(x + 4) = 3x + 11
This has no solution because if you solve it, you're gonna get 12 = 11 and that is NEVER true. Whatever x is, 11 cannot equal 12!
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16 factory workers made 40 pieces in a certain amount of time. How many workers are needed to make (1) 20, (2)25 and (3)100 piec
lorasvet [3.4K]

1. 40 units___16 workers

20 units___x= 8 workers

(20*16)/40=8

2. 40 units___16 workers

25 units___x= 10 workers

(25*16)/40=10

3. 40 units___16 workers

100 units___x= 40 workers

(100*16)/40=40

7 0
3 years ago
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ehidna [41]

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40% of the photos are victor

Step-by-step explanation:

48/(48+32+40)

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3 years ago
A man buys s T-shirt at $p each and sells them at $q each. Find his profit in terms of s , p and q.
SCORPION-xisa [38]

Answer:

What are the options?

Step-by-step explanation:

3 0
3 years ago
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- QUIZ DUE TODAY -
Elena L [17]

Answer:

Step-by-step explanation:

$19.50

-$15.50=

$4.00

1slice of pizza and 1soda is $4

so 2slices of pizza and 2 sodas is $8

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Now you have 3 slices of pizza left

$7.50/3slices=$2.50

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6 0
3 years ago
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Antonia incorrectly solves the equation −2(14−54a)=6 . Her work is shown below.
bekas [8.4K]

Answer:

For the yes/no bit:

step 1: no

step 2: no

step 3: yes

step 4: yes

step 5: no

for the final answer bit: a = 2  3/5 (the last option)

Step-by-step explanation:

yes/no bit:

step 1 is wrong because she didn't multiply -\frac{5}{4}a by -2

step 2 is wrong because she subtracted 1/2 instead of adding it

step 3 is correct because 6 - 1/2 = 11/2

step 4 is correct because she correctly multiplied both sides by 4

step 5 is wrong because she added 5 instead of dividing by -5.

for the final answer bit, I've attached an image below with my working out. hope this helps!

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2 years ago
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