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3 years ago

Why does the fraction 20/25 not belong with 1/20, 2/3 and 5/4?

Mathematics

1 answer:

devlian [24]3 years ago

7 0

I’m not 100% sure but I think it’s because 20/25 can still be simplified further, while the other 3 can’t.

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Y<-5/2x+7 which order pair is in the solution set

uranmaximum [27]

What are the answer choices?

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3 years ago

I’m confused nd stuck

andreev551 [17]

Answer:

B. (4,2)

Step-by-step explanation:

The answer is where the lines intersect.

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6 0

2 years ago

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Write log2 0.25 = -2 in exponential form

oee [108]

Answer:

0.25 = 2^-2

The "^" means that -2 is an exponent on top of 2.

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3 years ago

In a class of 28 pupils, if 12 are females. Calculate the ratio of males : total

tensa zangetsu [6.8K]

Answer:

16 : 28

Step-by-step explanation:

If 12 out of the 28 pupils are female, we can calculate the number of males by subtracting the number of females from the total number of pupils.

28 - 12 = 16

So, there are 16 males in the class. Now, we know that the ratio of males : total is 16 : 28.

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2 years ago

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) Tara earns twice as much per hour as Kayte.

Cerrena [4.2K]

Answer:

Austin's hourly wage is $8.

Step-by-step explanation:

This question can be solved using a system of equations.

I am going to say that:

Tara's hourly wage is x.

Kayte's hourly wage is y.

Austin's hourly wage is z.

Tara earns twice as much per hour as Kayte.

This means that $x = 2y$

Kayte earns $3 more per hour than Austin.

This means that $y = z + 3$

As a group, they earn $41 per hour.

This means that $x + y + z = 41$

What is Austin's hourly wage?

This is z.

$x + y + z = 41$

$y = z + 3$ and $x = 2y$ , so $x = 2(z + 3) = 2z + 6$

$x + y + z = 41$

$2z + 6 + z + 3 + z = 41$

$4z + 9 = 41$

$4z = 32$

$z = \frac{32}{4}$

$z = 8$

Austin's hourly wage is $8.

5 0

3 years ago

Read 2 more answers