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Vikentia [17]
3 years ago
5

Which equation can be used to calculate the area of the shaded triangle in the figure below?

Mathematics
2 answers:
noname [10]3 years ago
4 0

                                    88888888888988888888888888888888888888888888888                                                                    8

forsale [732]3 years ago
3 0

Answer:

fraction 1 over 2 (18 × 4) = 36

\becauseArea of standard triangle

= \frac{1}{2} \times base\times height.

Where,

Base of triangle = lenght of rectangle = 18 feet

&

Height of triangle = width of rectangle = 4 feet

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A foam kickboard to use for swimming has two identical hand grips.
arsen [322]

Answer:

a. 215.6 in^3

b. 1.51 lb

Step-by-step explanation:

The area of each hand grip hole is that of a circle of radius 0.6 in together with a rectangle 2 in long and 1.2 in wide. So, that area is ...

π·(0.6 in)^2 + (2 in)(1.2 in) = (0.36π +2.4) in^2

The area of the kickboard before the hand grip holes are put in is that of a semicircle of radius 5.5 in together with a rectangle 12 in long and 11 in wide. So, that area is ...

(1/2)·π·(5.5 in)^2 + (12 in)(11 in) = (15.125π +132) in^2

Taking the hand grip holes out, the top area of the board is ...

((15.125π +132) -2(0.36π +2.4)) in^2

= (14.405π + 127.2) in^2

___

a. The volume is the product of the area and the thickness, so is ...

((14.405π +127.2) in^2)·(1.25 in) ≈ 215.568 in^3

__

b. The weight of the kickboard is the product of its volume and its density:

(215.568 in^3)(0.007 lb/in^3) ≈ 1.509 lb

4 0
3 years ago
Find the midpoint of the 2 points (-2,-7) (10-5)
Inessa05 [86]

Answer:

(4,-6)

Step-by-step explanation:

3 0
3 years ago
9x9=<br> 8x8=<br> 8x7=<br> 5x4=<br> Vă rog să mă ajutați
sergiy2304 [10]

Answer:

9×9=72

8×8=64

8×7=56

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4 0
3 years ago
Read 2 more answers
Violet knows that her subscription rate for the basic tier of cable television increased from $18.20 to $19.50 at some point dur
mezya [45]
The 2 equations are
18.20x+19.50y=230.10
and
x+y=12
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x=(12-y)
18.20(12-y)+19.50y=230.10
218.40-18.20y+19.50y=230.10
1.30y=11.70
y=9
so that means you had the original rate for 3 months and the new one for 9 months
7 0
2 years ago
How much is three more than the square of 8?
kari74 [83]
3² equals nine, so the square root of eight has to be less than three.
The square root of eight is 2.82 rounded to the nearest hundredth. So 3 is approximately 0.18 more than the square of eight.

Hope this helps

~DragonGirl :)

7 0
3 years ago
Read 2 more answers
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