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3 years ago

What does 4/7x35= plz tell me

Mathematics

2 answers:

trapecia [35]3 years ago

6 0

$\frac{4}{7} \times 35 = 4 \times \frac{35}{7} = 4 \times 5 = \huge{\boxed{20}}$

horrorfan [7]3 years ago

5 0

Basically divide by 7 times 4
35/7= 5
5 times 4= 20

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Tarun has 4 more than the twice the number of tshirts Deepak has.Mahesh has 2 more than thrice the number of T-shirts that Tarun

Dafna11 [192]

Answer:

Deepak: 4 t-shirts,

Tarun: 12 t-shirts,

Mahesh: 14 t-shirts.

Step-by-step explanation:

Let x represent number of t-shirts that Deepak has.

Please consider the complete question.

Tarun has 4 t-shirt more than twice the number of T-shirts Deepak has. Mahesh has 2 more than thrice the number of T-shirts Deepak has. If the ratio of the t-shirt that Tarun and Mahesh have is 6 : 7, find out the number of the t-shirt each of them has.

Since Tarun has 4 t-shirt more than twice the number of T-shirts Deepak has, so the number of t-shirts that Tarun has would be $2x+4$ .

We are also told that Mahesh has 2 more than thrice the number of T-shirts Deepak has. So the number of t-shirts that Mahesh has would be $3x+2$ .

Since the ratio of the t-shirt that Tarun and Mahesh have is 6 : 7, so we can represent this information in an equation as:

$\frac{2x+4}{3x+2}=\frac{6}{7}$

Cross multiply:

$6(3x+2)=7(2x+4)$

$18x+12=14x+28$

$18x-14x+12-12=14x-14x+28-12$

$4x=16$

$x=\frac{16}{4}=4$

Therefore, Deepak has 4 t-shirts.

The number of t-shirts that Tarun has would be $2x+4\Rightarrow 2(4)+4=4+4=12$

Therefore, Tarun has 12 t-shirts.

The number of t-shirts that Mahesh has would be $3x+2\Rightarrow 3(4)+2=12+2=14$

Therefore, Mahesh has 14 t-shirts.

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4 years ago

If the range of a normally distributed data set is 25, what's a reasonable estimate for the standard deviation

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68% will be 1 standrd deviation either side of the mean so a reasonable estimate will be (25*0.68) / 2 = 8.5

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Answer:

Option A

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Step-by-step explanation:

we know that

A closing balance is the amount in an account at the end of a period of time, for example, a month or a year. The closing balance could be a negative or positive amount.

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snow_tiger [21]

Answer:

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the new dimensions of the scale drawing in the attached figure

Step-by-step explanation:

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we know that

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$\frac{6}{3}\ \frac{cm}{m}$

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The original scale was $2\ \frac{cm}{m}$

That means ---> 2 cm in the drawing represent 1 meter in the actual

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18 cm in the drawing represent 3 meters in the actual

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Simplify

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That means ---> 6 cm in the drawing represent 1 meter in the actual

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Let's do the work shall we....

this is going to be a ratio problem.

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Sailfish:
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(40miles/30 minutes) x2 = (80 miles/60 minutes(or one hour)).

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