3 years ago

Show comparison between 5/8 and 3/4. Explain.

Mathematics

1 answer:

Ilya [14]3 years ago

6 0

the comparison is 2/4

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Robert's father is 4 years older than 3 times Robert's age. His father is 40 years old. Write the equation used to determine Rob

FrozenT [24]

Answer:

robert is 12 years old

Step-by-step explanation:

robert's age=x

40=3x+4

that's the equation

40=3x+4

=36=3x

x=12

8 0

3 years ago

I would love to know how to do the circled question. Thanks!

Lapatulllka [165]

You should use mathway it really helps with problems like this.

4 0

3 years ago

4x – 3y=8<br> 2. 5x – 2y = -11

AlladinOne [14]

Answer:

$x = -7$

$y = - 12$

Step-by-step explanation:

The given system is:

4x-3y=8

5x-2y=-11

We make x the subject in the top equation to get:

$x = \frac{3}{4}y + 2$

Plug this expression for x in the bottom equation to get

$5( \frac{3}{4}y + 2) - 2y= - 11$

We expand to obtain

$\frac{15}{4} y + 10 - 2y = - 11$

Multiply through by 4

$15y + 40 - 8y = - 44$

Group similar terms

$15y - 8y = - 44 - 40$

$7y = - 84$

$y = - \frac{84}{7} =-12$

This means

$x = -12\times \frac{3}{4} + 2$

$x = - 7$

6 0

3 years ago

Miley has a shoe shelf 33 inches wide. if each of her shoes is 2 3/4 inches wide how many shoes can she fit on the shelf?

Ksivusya [100]

Answer:

12 shoes

Step-by-step explanation:

Divide 33 by 2 3/4

4 0

3 years ago

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115 divided by 17 and 72 divided by 5

Firlakuza [10]

72 divided by 5 is 14.4

4 0

3 years ago

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