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3 years ago

Fraction 4/7 I want Decimal and Percent

Mathematics

2 answers:

alexgriva [62]3 years ago

8 0

Answer:

The decimal of 4/7, when rounded to the hundredths, is 0.57. The percentage of 4/7, when rounded to the nearest hundredths, is 57.14%

Step-by-step explanation:

To get the decimal, you have to divide 4 by and you'll get your answer.

For the percentage, when rounded to the hundredths, you place the decimal two spots to the right (.57 turns into 57.14).

ValentinkaMS [17]3 years ago

3 0

Answer:

Decimal: 0.57142857

Percent: 57.142857% or 57.14%

Step-by-step explanation:

Decimal: Divide 4 and 7 = 0.57142857

Percent: Divide 4 and 7 = 0.57142857

0.57142857 x 100= 57.142857 or simple 57.14%

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A basic cellular phone plan costs $4 per month for 70 calling minutes. Additional time costs $0.10 per minute. The formula C= 4+

Harrizon [31]

Answer:

For a monthly cost of at least $7 and at most $8, you can have between 100 and 110 calling minutes.

Step-by-step explanation:

The problem states that the monthly cost of a celular plan is modeled by the following function:

$C(x) = 4 + 0.10(x-70)$

In which C(x) is the monthly cost and x is the number of calling minutes.

How many calling minutes are needed for a monthly cost of at least $7?

This can be solved by the following inequality:

$C(x) \geq 7$

$4 + 0.10(x - 70) \geq 7$

$4 + 0.10x - 7 \geq 7$

$0.10x \geq 10$

$x \geq \frac{10}{0.1}$

$x \geq 100$

For a monthly cost of at least $7, you need to have at least 100 calling minutes.

How many calling minutes are needed for a monthly cost of at most 8:

$C(x) \leq 8$

$4 + 0.10(x - 70) \leq 8$

$4 + 0.10x - 7 \leq 8$

$0.10x \leq 11$

$x \leq \frac{11}{0.1}$

$x \leq 110$

For a monthly cost of at most $8, you need to have at most 110 calling minutes.

For a monthly cost of at least $7 and at most $8, you can have between 100 and 110 calling minutes.

8 0

3 years ago

Please help I am so stuck

o-na [289]

First third and last answer

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3 years ago

2/3 - 5/6 - 7/9 = simplifying

ch4aika [34]

Answer:

-17/18

Step-by-step explanation:

find least common multiple, which is 18

multiply the numerators by the number you multiplied on the denominator.

and subtract.

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3 years ago

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astra-53 [7]

Answer:

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Step-by-step explanation:

first multiply both side by 2 to get rid of the fraction

$3x + 5 \leqslant 4(2)$

$3x + 5 \leqslant 8$

$3x \leqslant 8 - 5$

$3x \leqslant 3$

$x \leqslant 1$

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2 years ago