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Juli2301 [7.4K]
3 years ago
5

five people are seated in a row anita sits next to diane but not next to chris chris and diane are seated next to each other ale

x is next to anita and rob is next to chris who is seated in the middle
Mathematics
1 answer:
In-s [12.5K]3 years ago
6 0

Answer:

Diane

Step-by-step explanation:

Alex, Anita, Diane, Chris, Rob

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What is two numbers that multiply to 24 but add to 25?
lesya [120]
X, y - the numbers

xy=24 \\
x+y=25 \\ \\
\hbox{solve the second equation for y:} \\
x+y=25 \\
y=25-x \\ \\
\hbox{substitute 25-x for y in the first equation:} \\
x(25-x)=24 \\
25x-x^2=24 \\
-x^2+25x-24=0 \\
-x^2+24x+x-24=0 \\
-x(x-24)+1(x-24)=0 \\
(-x+1)(x-24)=0 \\
-x+1=0 \ \lor \ x-24=0 \\
x=1 \ \lor \ x=24 \\ \\
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y=25-1 \ \lor \ y=25-24 \\
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The numbers are 1 and 24.
6 0
3 years ago
How
Alecsey [184]

Answer:

A one solution

Step-by-step explanation:

4(x - 5) = 3x + 7

Distribute

4x - 20 = 3x+7

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4x-3x-20 = 3x+7-3x

x -20 = 7

Add 20 to each side

x -20+20 = 7+20

x = 27

There is one solution

5 0
3 years ago
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Help please and explanation please
vazorg [7]

For this case we must add the given series. We expanded the series for each of the values of i, that is, from 1 to 5:3 (1) +3 (2) +3 (3) +3 (4) +3 (5) =\\3 + 6 + 9 + 12 + 15 =

We add the terms:

9 + 9 + 12 + 15 =\\18 + 12 + 15 =\\30 + 15 =\\45

Finally, the value of the given series is 45.

Answer:

45

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3 years ago
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