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3 years ago

figure below is made of rectangles what is the perimeter of the figure below note that not all the side lengths are labeled.

Mathematics

1 answer:

Ira Lisetskai [31]3 years ago

5 0

I would love to help but there is no figure.

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Find the work done in winding up a 175 ft cable that weighs 3 lb/ft.

nignag [31]

Answer:

$work \ done= 45937.5$

Step-by-step explanation:

Work done is given by

$work \ done=\int_a^b w(d-x) \ dx$ , where d = length of cable and w = weight of cable.

Here, d = 175 ft and w = 3 lb/ft

Now, $work \ done=\int_0^{175} 3(175-x) \ dx$

$work \ done= 3\left [175x-\frac{x^2}{2} \right ]_0^{175}$

$work \ done= 3\left [175^2-\frac{175^2}{2} \right ]$

$work \ done= 3\cdot \frac{175^2}{2}$

$work \ done= 45937.5$

8 0

3 years ago

Which is greater, a third of 36 or one-sixth of 138?

finlep [7]

Answer:

one-sixth of 138

Step-by-step explanation:

36÷3=12. 138÷6=23

12<23

Therefore, one-sixth of 138 is greater than a third of 36.

6 0

4 years ago

I don't understand word problems can someone please answer it for me and I need it ASAP.

maksim [4K]

Answer:

Inequality: 3 + 1.2c

What you'd put on graph: 1 ≥ 13.50

5 0

3 years ago

A 4 meter ladder leans against a house forming a

Ket [755]

Answer:

2.meters

Step-by-step explanation:

Lenght of ladder = 4 m

θ = 30°

To obtain h;

Using Pythagoras rule :

Sinθ = opposite / hypotenus

Hypotenus = 4 ; opposite = h

Sin 30 = h / 4

0.5 = h / 4

h = 0.5 * 4

h = 2 m

Hence, distance between th efoot of ladder and the base of the wall is 2 m

6 0

3 years ago

The image below, what is true about angles 1, 2, and 3?

ziro4ka [17]

Answer:

C. 2 = 37

Step-by-step explanation:

<2 and 37 are vertical angles and vertical angles are equal

Angle 1 and 37 form a straight line so they add to 180

<1 + 37 = 180

<1 = 180-37 = 143

Angle 3 and 37 form a straight line so they add to 180

<3 + 37 = 180

<3= 180-37 = 143

6 0

3 years ago

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