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3 years ago

What Is the perimeter of a=4 and b=2????

Mathematics

2 answers:

sammy [17]3 years ago

8 0

Answer:

Perimeter would be 12 because you add 2a+2b

Step-by-step explanation:

Since perimeter is adding all the sides you have to add 4+4+2+2

marishachu [46]3 years ago

6 0

Answer:

Step-by-step explanation: A=4, b=2

Top side 3b this means 3(2)=6

The bottom side measurement is the same 6

The left side 3a - b means 3(4) - 2 = 10

The right side measurement is the same as the left 10

Don't forget is a rectangle ( In a rectangle, all the angles are the same, and the opposite sides are the same length and are also parallel.)

The perimeter is the sum of all sides:

Therefore, 6 + 6 + 10 + 10 =32

Hope this help!

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What is the answer of 9.34-3.029=

Shalnov [3]

In case the user wants to see workings. These problems can easily be solved on a calculator, but can we work them out in our heads? ;)

9.34-3.029

=9.340-3.029

=9.340-3.000-0.029

=6.340-0.029

=6.311

8 0

3 years ago

If neil, weighing 150 pounds, jumps with an initial velocity of 8ft/sec, calculate his hang time on the earth as well as his han

sashaice [31]

we use the following formula to calculate height, 'h', under the effect of gravity:

h = vt - (1/2)gt^2, where g = 9.8m/s^2 and 't' represents time in seconds

8 ft/s * 0.3048 = 2.4384 m/s

we treat mass as inconsequential to the problem, considering only the effect of initial velocity and gravitational pull

to find his 'hang time' we solve for h=0, knowing that t=0 will be the first value (before the jump):

0 = 8(0.3048)t - (9.8/2)t^2

solving for 't' we have t=0.497

the 'hang time' will be approximately 0.5 seconds, or 1/2 of a second

the maximum height will be 0.2488m, or 0.816 feet, or 9.8 inches

on the moon, the hang time and height will increase by a factor of 6

hang time: approximately 3 seconds on the moon

maximum height: approximately 2.4 feet

8 0

3 years ago

A Garden table and bench cost $825 combined. the Garden table cost $75 more than the bench. what is the cost of the bench

Luda [366]

Answer:

825 - 75 = 750

750 / 2 = 375

the bench cost: 375$

the garden table cost: 450$

Step-by-step explanation:

3 0

3 years ago

An online furniture store sells chairs for $50 each and tables for $250 each. Every day, the store can ship no more than 36 piec

sattari [20]

Answer:

All possible values for the number of tables that the store must sell in order to meet the requirements are 9, 10, 11, 12, 13.

Step-by-step explanation:

Let x be the number of chairs sold and y be the number of tables sold.

Chairs are sold for $50 each, then x chairs cost $50x.

Tables are sold for $250 each, then y tables cost $250y.

In total, x chairs and y tables cost $(50x+250y).

Every day, the store can ship no more than 36 pieces, then

$x+y\le 36$

Every day, the store must sell at least $3,400 worth of chairs and tables, then

$50x+250y\ge 3,400$

If 23 chairs were sold, then x = 23. Substitute it into the inequalities:

$23+y\le 36\Rightarrow y\le 13\\ \\50\cdot 23+250y\ge 3,400\Rightarrow 250y \ge 2,250,\ \ \ y\ge 9$

Thus $9\le y\le 13$

This means all possible values for the number of tables that the store must sell in order to meet the requirements are 9, 10, 11, 12, 13.

8 0

3 years ago

Can someone please help me with both of these questions. Thanks so much.

adell [148]

(1.) Part A
The Yellow Chalk because when you turn 2/6 into a new fraction (double it) its 4/12 and 4/12 is bigger than 3/12.

(2.) Part B
It's true because 5/12 is less than half of the bucket because the other half is 7/12

8 0

3 years ago

Read 2 more answers