All categories

3 years ago

Arianna claims that the rectangles shown below are similar, while Miguel claims that they are not similar.

Mathematics

1 answer:

yaroslaw [1]3 years ago

5 0

Answer:

Step-by-step explanation:

You might be interested in

A rectangle has a length of 0.4m and a width of 5cm less than its length.what is the perimeter of the rectangle

Sliva [168]

Answer:

150cm

Step-by-step explanation:

0.4*100-5=35

(35+40)*2=150

6 0

3 years ago

Who could help me solve this

Monica [59]

6561 hope this helps

6 0

3 years ago

Read 2 more answers

Given the proportional steel cost, how much do 200 pounds of steel cost?

kotegsom [21]

Answer:

Your answer is B, 150

Step-by-step explanation:

If we look at the chart it says 160 pounds of steel is 120, so for example if we start from 40 we will have 30, so every time we add 40 pounds 30$ are added, meaning that 160+40=200, 120+30= 150, Thus B or 150 is our answer.

3 0

2 years ago

Read 2 more answers

HELP EDCITE !! HELP PLEASE!!!!!!!!!!!!

Svetlanka [38]

Answer:

easy:

6*10 / 2 = 30

6*10 would be a rectangle. a right triangle is just half the area

8 0

3 years ago

Read 2 more answers

A tank contains 1000 L of pure water. Brine that contains 0.05 kg of salt per liter of water enters the tank at a rate of 5 L/mi

Margaret [11]

Answer:

a) $y(t)=0.65\frac{Kg}{min}(tmin)$

b) $y(40)=26Kg$

Step-by-step explanation:

Data

Brine a (Ba)

$V_{Ba}=5\frac{Lt}{min}\\ Concentration(Bca)=0.05\frac{Kg}{Lt}$

Brine b (Bb)

$V_{Bb}=10\frac{Lt}{min}\\ Concentration(Bcb)=0.04\frac{Kg}{Lt}$

we have that per every minute the amount of solution that enters the tank is the same as the one that leaves the tank (15 Lt / min)

, then the amount of salt (y) left in the tank after (t) minutes: $y=V_{Ba}*B_{ca}+V_{Bb}*B_{cb}=5\frac{Lt}{min}*0.05\frac{Kg}{Lt}+10\frac{Lt}{min}*0.04\frac{Kg}{Lt}=\\0.25\frac{Kg}{min}+0.4\frac{Kg}{min}=0.65\frac{Kg}{min}$

Finally:

a) $y(t)=0.65\frac{Kg}{min}(tmin)$

b) $y(40)=0.65\frac{Kg}{min}(40min)=26Kg$

being y(t) the amount of salt (y) per unit of time (t)

5 0

3 years ago