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never [62]
3 years ago
12

Sasha timed how long she took to complete two laps of the track. Her first trip took 36.5s. Her second trip took 35.8s. Calculat

e the % decrease in the time she took to complete her second lap.
Mathematics
1 answer:
Montano1993 [528]3 years ago
5 0

the present of decrease is around 1.92%

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A dvd that originaly cost 30 dollars is on sale for 10 percent off. find the amount of the discount.
Dennis_Churaev [7]
The discounted price would be $27
8 0
3 years ago
(x³ + ³) / (x - y)<br> Do not include parentheses in your answer.
Lubov Fominskaja [6]

The simplified expression of \frac{x^3 + (-y)^3}{(x - y} is x^2+xy+y^2

<h3>Complete question</h3>

Simplify the expression: (x³ + (-y)³) / (x - y)

Do not include parentheses in your answer.

<h3>How to simplify the expression?</h3>

The expression is given as:

\frac{x^3 + (-y)^3}{(x - y}

Open the inner bracket

\frac{x^3 -y^3}{(x - y}

Apply the difference of two cubes to the numerator

\frac{(x-y)(x^2+xy+y^2)}{(x - y}


Cancel out the common factors

x^2+xy+y^2

Hence, the simplified expression of \frac{x^3 + (-y)^3}{(x - y} is x^2+xy+y^2

Read more about expressions at:

brainly.com/question/723406

#SPJ1

4 0
2 years ago
Units of Capacity
marysya [2.9K]

Answer:

            \large\boxed{\large\boxed{0.2deciliter}}

Explanation:

Build your conversion factors using the conversion table:

  • 1 cup = 0.237 liters\implies 1=0.237liters/1cup

From the prefixes used in the metric system, you know that 1 deciliter = 0.100 liters. Then:

  • 1 deciliter = 0.100 liters\implies 1=1deciliter/0.100liters

Arrange the expression to simplify the units and convert from cups to deciliters:

  • 9cups\times 0.237liters/cup\times 1deciliter/0.100liters=0.2133deciliter

Round to the nearest tenth: 0.2 deciliter.

4 0
3 years ago
Read 2 more answers
Pls help I will not let me add the screenshot so I'm going to try and explain. so there is a rectangle the top measures 10m and
-BARSIC- [3]
Answer:

£23

Explanation:

6x10=60
2x1.5=3
3.14x2^2=12.566
60-3-12.566=44.433
44.43/10=4.43
5 bags
5x4.60=23
=£23
3 0
2 years ago
PLZZZ HELP FOR BRAINLIST
lina2011 [118]

Answer:

I D K GUESS ITS 1 2 4 I GUESS THINKING

Step-by-step explanation:

8 0
2 years ago
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