2 years ago

Calculate the % loss Cost price of an article =$28 Selling price of the article=$21

Mathematics

1 answer:

just olya [345]2 years ago

5 0

The % loss of your problem is 25%

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PLZ HELP ME! Directions up above the picture **MATH (Algebra)

Vikentia [17]

Answer:

The answer to your question is t = 1.3 s

Step-by-step explanation:

Data

Equation h(t) = -4.9t² + v₀t + h₀

v₀ = 0 m/s

h₀ = 8 m

t = ?

h = 0 m

Process

1.- Substitute the values in the formula

0 = -4.9t² + 0t + 8

2.- Simplification

0 = -4.9t² + 8

3.- Solve for t

4.9t² = 8

t² = 8/4.9

t² = 1.63

4.- Result

t = 1.27 ≈ 1.3 s

6 0

3 years ago

Explain how to the problem with the model. I do not want any unexplained answer I will report them!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Sever21 [200]

hewo

Step-by-step explanation:

they dragged me here to answer this question also no I don't know the answer... sorry

8 0

2 years ago

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7x-2=5x+14 X=? (step by step needed)

prisoha [69]

Answer:

x = 8

Step-by-step explanation:

Step 1: Subtract 5x from both sides.

$7x-2-5x=5x+14-5x$
$2x-2=14$

Step 2: Add 2 to both sides.

$2x-2+2=14+2$
$2x=16$

Step 3: Divide both sides by 2.

$2x/2=16/2$
$x=8$

Step 4: Check if solution is correct.

$7(8)-2=5(8)+14$
$56-2=40+14$
$54=54$

Therefore, x = 8.

8 0

1 year ago

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SAT Help

posledela

Well, their speeds are ( $V_1$ is Jack's speed, and $V_2$ is Richard's.
$V_1 = \frac{1}{5} houses/day \\ V_2 = \frac{1}{7} houses/day \\ V = V_1 + V_2 = \frac{1}{5}+\frac{1}{7} = \frac{7+5}{35} = \frac{12}{35}$
They, together, can paint 12 houses in 35 days. To get a single house, we only have to calculate $\frac{35}{12}$ which is very close to 3 (a bit below)

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3 years ago

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What percent of 25 is12 And how do I work it

Sergio [31]

12/25 * 100 = 48%

Amount/Whole Amount * 100

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3 years ago

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