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3 years ago

What Is the best way to describe an inequality?

Mathematics

1 answer:

andrew11 [14]3 years ago

4 0

Answer:

Social inequality is the existence of unequal opportunities and rewards for different social positions or statuses within a group or society. Let's examine some causes and effects of poverty and test our knowledge with a quiz.

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45 children attend preschool the number of two-year-olds is 1/2 the number of three-year-olds the number for your old is the sam

Mkey [24]

There are 9 two-year-olds and 18 each of 3 and 4 year olds.

To solve this we could write and solve the equation below, letting x be the number of 3 and 4 year olds.

x/2 + x + x = 45
x + 2x + 2x = 90
5x = 90
x = 18

From here, we just divide 18 by 2 to get the number of 2 year olds.

6 0

3 years ago

Round 23.12 to the nearest cent

IRINA_888 [86]

23.13819472p17573927572o2

5 0

3 years ago

Read 2 more answers

A boat traveled 210 miles downstream and back. The trip downstream took 10 hours. The trip back took 70 hours. What is the speed

musickatia [10]

Try this solution:

Answer: 6 & 4.5 (m-per-h)

Step-by-step explanation:

- The basic formula used in this task is S=V*t, where S - distance, V - speed, t - time.

- the downstream speed is: V+Vc, where V - the speed of the boat in still water, Vc - the speed of the current.

- the upstream speed is: V-Vc.

- according to the described above the distance for downstream is S1=(V+Vc)*t1, where t1=10; the distance for upstream is S2=(V-Vc)*t2, where t2=70.

- for whole travel down- and upstream: S=S1+S2.

- Using these it is possible to make up the system of the equations:

$\left \{ {{(70(V-V_c)=10(V+V_c)} \atop {70(V-V_c)+10(V+V_c)=210}} \right.$

V - the speed of the boat in still water - 6 miles per hour, Vc - the speed of the current - 4.5 miles per hour. All the details for the system of the equations are in the attachment.

4 0

3 years ago

A piece of carpet is in the shape of an isosceles trapezoid with a height of 30 inches and bases 40 and 60 inches. What is the a

yaroslaw [1]

30x40x60=72,000. with area you do LxWxH

3 0

3 years ago

3. A carpenter is framing a window with wood trim where the length of the window is 6 and 2\3 feet. If the width of the window i

wel

We can see that window is in shape of rectangle. So the length of the required wood to frame window is equal to the perimeter of rectangle.

SO the length of rectangular window is $= 6 \frac{2}{3} = \frac{20}{3}$ feet.

Width of the rectangular window is = $7 \frac{3}{4} = \frac{31}{4}$ feet.

In general parameter of rectangle is = $2(l+b)$

So the parameter of window is = $2( \frac{20}{3} + \frac{31}{4}) = 2* \frac{(80+ 93)}{12} = 2* \frac{173}{12} = 28.834$

So the required length of wood to frame window is = 28.834 feet

3 0

3 years ago