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Marat540 [252]
3 years ago
11

10/k(k-2) + 4/k = 5/k-2​

Mathematics
1 answer:
andriy [413]3 years ago
4 0

Answer: 24

Step-by-step explanation:

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The area of square A is 900cm2, it is 3 times bigger than square B. What is the area of Square B?
emmasim [6.3K]

Answer: 8,100 cm^2

Step-by-step explanation: Area = S^2 so each side is sqrt(900) = 30cm

A square 3 times bigger has sides 30cm*3 = 90cm. The area for that square is 90^2 = 8,100 cm^2

8 0
3 years ago
6 calculators cost $160 what is the rate and the unit rate
BigorU [14]

Answer:

\dfrac{\$160}{6~calculators}

\dfrac{\$26.67}{calculator}

Step-by-step explanation:

The rate for the 6 calculators is

\dfrac{\$160}{6~calculators}

To find the unit rate, divide 160 by 6.

The unit rate is

\dfrac{\$26.67}{calculator}

6 0
3 years ago
Which algebraic expression represents “Marcus practiced the trumpet twice as long this week”?
Galina-37 [17]

Answer:

2p should be the correct answer!

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Jessica is baking a cake. The recipe says that she has to mix 96 grams of sugar into the flour. Jessica knows that 1 cup of this
Rudik [331]
1 cup = 128 grams
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Cross multiply
128X = 1*96
X=96/128 cups = 6/8 = 3/4 cups.

If she has already added 1/2 cups, then she needs to add (3/4-1/2)=1/4 cup more sugar.

Also please remind her to do the calculations before adding ingredients to avoid ruining a recipe.
7 0
4 years ago
I need help in this exercise
grigory [225]

Answer:

your answer is 9   because 9x2=18

Step-by-step explanation:

pls tell me if i'm wrong i hate being wrong :c

4 0
4 years ago
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