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Olenka [21]
3 years ago
13

What is the length of a rectangle with width 10 in. and area 85 in^(2)

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
5 0

Answer:

8.5 in

Step-by-step explanation:

Area of a rectangle = Length × Width

Area = 85

Width = 10

Hence the value of the length;

; 85 = 10 × Length

;then divide both sides by 10

Hence the length of the rectangle;

(85 ÷ 10) = Length

; Length = 8.5 in

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Find the value of c.<br> a = 4 and b = 6
xxTIMURxx [149]

Answer:

c2 = a2 + b2

7 0
3 years ago
If r = 3.2, what is the area of the shaded region? Round your answer to the nearest hundredth. Use your calculator's value of π.
Lunna [17]

Answer:

99.38

Step-by-step explanation:

the area of all the circles by using the formula A=ℼr2 then filling in r with 3.2 A=ℼ3.22=32.2

Knowing that one circle is 32.2 4 circles would have an area of 128.8

Two circles have a combined length and height of 12.8 because the circumference of one circle is 6.4 so two circles reach the sides of the square. So all the sides of the square are 12.8. So finding the area of the square knowing what the sides are, so the area is a=163.84. To find the shaded area you subtract the volume of the square to volume of all 4 circles which is 163.84-128.8 which equals 35.04. Then you find the volume of the semi circle which is 64.34. Then the combination of both shaded regions is 99.38

8 0
3 years ago
How do you solve? Help?
Vinvika [58]
Plug in a -20 wherever you see a b
(-20)^2 +4*-20-89/13
400 + -80-89/13
400 - 169/13
400-13
=387

Hope this helps
4 0
3 years ago
CAN SOMEONE PLEASE HELP ME WITH THIS QUESTION?
Dimas [21]

Answer:

  B.  More than one quadrilateral exists with the given conditions, and all instances must be isosceles trapezoids.

Step-by-step explanation:

In a parallelogram, adjacent angles are supplementary. They are only congruent if the parallelogram is a rectangle. In this problem, adjacent angles are both congruent and acute. If this were a triangle, it would guarantee the triangle is isosceles.

The fact that opposite angles are supplementary guarantees that the fourth side of the figure is parallel to the base between the acute angles. That makes the figure an isosceles trapezoid. Unless specific angles and side lengths are specified, the description matches <em>any</em> isosceles trapezoid.

4 0
3 years ago
16 1/3+8 2/5<br><br> show how you got the answer
scoundrel [369]

Answer:

24.73

Step-by-step explanation:

1/3=.33

2/5=.40

0.40+0.33=0.73

16+8=24

24.73

5 0
3 years ago
Read 2 more answers
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