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2 years ago

5/8 multiple by 4/10

Mathematics

2 answers:

Nady [450]2 years ago

7 0

Hi student, let me help you out! :)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

We are asked to multiply 5/8 times 4/10.

$\triangle~\fbox{\bf{KEY:}}$

How do we multiply fractions? See below! ^-^

///\\\\///\\\\////\\\\///\\\///\\\///\\\////\\\///\\\///\\\///\\\//\\\\////\\\\////\\\\///\\\\///\\\///\\\//\\

Multiplying fractions

Multiply the numerator of one fraction times the numerator of the other fraction:

5×4=20

Same with the denominator:

8×10=80

Put them together:

$\pmb{\cfrac{20}{80}}$

Divide the numerator and denominator by 20:

$\pmb{\cfrac{1}{4}}$

Hope it helps you out! :D

Ask in comments if any queries arise.

#StudyWithBrainly

~Just a smiley person helping fellow students :)

$\bf{\overline{\underline{\overline{\underline{Maribel\:Peri}}}}$

Veronika [31]2 years ago

6 0

Answer:

1/4

Step-by-step explanation:

$\frac{5}{8}$ x $\frac{4}{10}$

multiply the numerators and denominators

$\frac{20}{80}$

simplify

cancel the zeros and get 2/8

then simplify to 1/4

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Show your solution read the instructions

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Answer:

1) $5r + 2 < s$

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Step-by-step explanation:

1) Length of a ruler = r

Height of Shiela = s

According to the question ,

5 times the length of a ruler increased by 2 .

⇒ $5r + 2$

Also , 5r + 2 is less than height of Shiela.

Hence , the linear inequality is ⇒ $5r + 2 < s$

2) Let the cost of each t-shirt be 't' & cost of each short be 's'.

⇒ Cost of dozen of t-shirts = 12t and Cost of half a dozen shorts = 6s

According to the question ,

12t & 6s is not greater than Php 960.

Hence the linear inequality is ⇒ $12t + 6s < 960$

3) Let the number of Php 100-peso tickets be 'p' and let the number of Php 50-peso tickets be 'q'.

According to the question ,

Difference of p & q is not less than 30

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The tree is 187 meters tall

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Given:

The linear function for average test score in your math class is

$f(x)=0.9x+79$

where x is the number of the test taken.

The linear function g(x) in the given table represents the average test score in your science class, where x is the number of the test taken.

To find:

Part A: The test average for your math class after completing test 2.

Part B: The test average for your science class after completing test 2.

Part C: Which class had a higher average after completing test 4?

Solution:

Part A:

We have,

$f(x)=0.9x+79$

Put x=2 in the above function, to find the test average for your math class after completing test 2.

$f(2)=0.9(2)+79$

$f(2)=1.8+79$

$f(2)=80.8$

Therefore, the test average for your math class after completing test 2 is 80.8.

Part B:

From the given table it is clear that g(x) =79 at x=2.

Therefore, the test average for your science class after completing test 2 is 79.

Part C:

Put x=4 in f(x), to find the test average for your math class after completing test 4.

$f(4)=0.9(4)+79$

$f(4)=3.6+79$

$f(4)=82.6$

From the table it is clear that the value of g(x) is increased by 1 as x is increased by 1. So, the value of function g(x) at x=4 must be 1 more than 80.

$g(4)=81$

It is clear that,

$82.6>81$

Therefore, math class had a higher average after completing test 4.

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