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3 years ago

What is the perimeter of the parallelogram?

Mathematics

1 answer:

Nesterboy [21]3 years ago

3 0

P=2(a+b)=2·(4+4)=16 cm

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On the subway 8 out of 11 people are carrying a briefcase.Based on this information, if there are 700 people on the subway, then

Scorpion4ik [409]

Answer:

191 people do not have a briefcase

Step-by-step explanation:

Proportion states that the two ratios or fraction are equal

As per the given condition:

On the subway 8 out of 11 people are carrying a briefcase.

⇒Total number of people = 11

and number of people carrying a briefcase = 8

Remaining number of people that do not carrying a briefcase = 11-8 = 3

Now,

Based on this information, if there are 700 people on the subway

Let x be the number of people do not have a briefcase

By definition of proportion :

$\frac{3}{11} = \frac{x}{700}$

Multiply 700 both sides, we have

$\frac{3}{11} \times 700 = x$

Simplify:

x = 190.90≈ 191

Therefore, 191 people do not have a briefcase

5 0

3 years ago

Read 2 more answers

I need your help pls

Zielflug [23.3K]

Answer:

1. Let the number is x

a) 8 more than 4 times a number is 28

Required equation:

4x + 8 = 28

b) Example would be:

Four teams of same number of members joined together and the team of eight joined them adding up to 28 people.

Height - h, length - l

h = 1/3l
h = 5 feet, l = ?

----

l = 3h
l = 3*5 = 15 feet

Equation:

6a - 16 = b

Example situation:

6 packs of each containing a number of items. It was reduced by 16 (sold) and b number of items left in the stock.

Note. You need to add your details to the examples.

8 0

3 years ago

The ratio of red cars to blue cars in a parking lot was 5:3. If there were 40 red cars

Mars2501 [29]

Answer:

Step-by-step explanation: There are 24 blue cars. If you Multiply 5 by 8 because that is the ratio of red cars, you multiply 3 by the same number. It gives you 24

5 0

3 years ago

-7 2/3 + (-5 1/ ) +8 3/4

sertanlavr [38]

Answer:

Step-by-step explanation:

yes its good

8 0

3 years ago

Find dy/dx by implicit differentiation for x + 2y = xy.

Stella [2.4K]

Ok to find dy/dx of x+2y=xy we take derivative of both sides with respect to x

1+2dy/dx = x*dy/dx +y*dx/dx
1+ 2dy/dx = x*dy/dx + y* 1
2dy/dx +1 = x*dy/dx + y

2y’ + 1 = xy’ + y

2y’ + 1 - xy’ = y

2y’ -xy’ = y - 1

y’(2-x) = y - 1

so we get finally

y’= (y-1)/(2-x)

Hope this helps you understand the concept! Any questions please ask! Thank you so much!!

4 0

3 years ago