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White raven [17]
3 years ago
11

Solve please: 1/5 (25-5a) = 4-a

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
8 0

Answer: There is no solution.

Step-by-step explanation:

1.) 1 / 5 (25) + 1 / 5 (-5a) = 4 - a

2.) 5 - a = 4 - a

3.) 5 - a + a = 4 - a + a

4.) 5 = 4

The variable a is completely removed, leaving the final answer as 5 = 4, which isn't true.

Ipatiy [6.2K]3 years ago
6 0

Answer:

No solution

Step-by-step explanation:

  • 1/5(25 - 5a) = 4 - a

Start by distributing 1/5 inside the parentheses. 1/5 * 25 is 5 and 1/5 * 5 is 1. You have:

  • (5 - a) = 4 - a

Now you can remove the parentheses.

  • 5 - a = 4 - a

Subtract 4 from both sides of the equation.

  • 1 - a = -a

Add a to both sides of the equation.

  • 1 = 0

This is an incorrect or a FALSE statement, so this means that this equation has no solution.

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3 years ago
Diego's family spends $87 on 4 tickets to the fair and a $39 dinner.
svlad2 [7]

Answer: b. Lin buys a pack of 87 pencils. She gives 39 to her teacher and shared the remaining pencils between herself and 3 friends.

Step-by-step explanation:

Lin buys 87 pencils which is why the entire number line adds up to 87.

She gave 39 of these pencils to her teacher which s why there is a section of the number line that is unlike the rest and is 39 in number.

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6 0
2 years ago
ANSWER ASAP PLEASE!!! TY:)​
ANEK [815]

Answer:

Volume of triangular prism is given by formula

Volume of triangular prism = (Area of the base) x 12 (height of the prism)

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7 0
3 years ago
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erma4kov [3.2K]

Answer:

976 square cm

Step-by-step explanation:

Area of one 2d triangle face: (24*14)/2=168 square cm

Area of both 2d triangles faces: 168 + 168 =336 square cm

Area of one side: 25*10=250 square cm

Area of both sides: 250+250=500

Area of base: 14*10=140 (since it's a triangular prism, there's only one base)

Surface Area: 336+500+140=976 square cm

Hope this helps! :)

3 0
3 years ago
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