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3 years ago

16.How many surfaces does a cube have?

Mathematics

2 answers:

MrRa [10]3 years ago

8 0

Hello!

A cube has 6 faces which is the shape of a square, all corners are 90 degrees and it’s x^3

Gennadij [26K]3 years ago

5 0

A cube has 6 surfaces because the top and bottom are 2 sides, left side and right side are another 2 sides. Then front side and back side which is 2 sides. 2+2+2 is 6 sides in total.

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Math NEED HELP PLzPLZ

dusya [7]

Answer:

7x < 60

Step-by-step explanation:

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3 years ago

This recipe makes 8 pancakes.

Goryan [66]

Answer:

If Sanjay wants to make 24 but the recipe makes 8, then do the recipe 3 times to get 24 (8 x 3 = 24)

135 x 3 = 405

1 x 3 = 3

2 x 3 = 6

130 x 3 = 390

1 x 3 = 3

2 x 3 = 6

So Sanjay would need the following to make 24 pancakes:

405g flour

3tsp baking powder

6tbsps sugar

390mL milk

3 eggs

6tbsps oil

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2 years ago

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$6,000 dollars is invested in two different accounts earning 3% and 5% interest. at the end of one year, the two accounts earned

Anettt [7]

Answer-

$2000 were invested at 5%

Solution-

Let x amount of money was invested at 5% and (6000-x) amount was invested as 3%

We know that,

$i=\dfrac{P\cdot r\cdot t}{100}$

Putting the values,

$i_1=\dfrac{P_1\cdot r_1\cdot t}{100}$

$i_1=\dfrac{x\cdot 5\cdot 1}{100}=\dfrac{5x}{100}$

And

$i_2=\dfrac{P_2\cdot r_2\cdot t}{100}$

$i_2=\dfrac{(6000-x)\cdot 3\cdot 1}{100}=\dfrac{3(6000-x)}{100}$

According to the question,

$\Rightarrow \dfrac{5x}{100}+\dfrac{3(6000-x)}{100}=220$

$\Rightarrow \dfrac{5x+3(6000-x)}{100}=220$

$\Rightarrow 5x+3(6000-x)=22000$

$\Rightarrow 5x+18000-3x=22000$

$\Rightarrow 5x-3x=22000-18000$

$\Rightarrow 2x=4000$

$\Rightarrow x=2000$

Therefore, $2000 were invested at 5%

8 0

3 years ago

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Which expression calculates the speed in meters per second of an object that travels a distance of 40 m every 10 s?

Mumz [18]

Answer:

Step-by-step explanation:

40/10 will give you your answer

40/10=4m/s

3 0

3 years ago

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Which of these expressions is a monomial?

Margarita [4]

A monomial has one term. Therefore, A is the only one with one term.

7 0

3 years ago

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