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astraxan [27]
3 years ago
11

Quadrilateral ABCD is a rectangle.

Mathematics
1 answer:
jeka943 years ago
5 0

Answer:

A

Step-by-step explanation:

The diagonals of a rectangle are congruent and bisect each other, so

AC = BD

2AG = 2DG, that is

AG = DG, substitute values

- 7y + 5 = 2y + 68 ( subtract 2y from both sides )

- 9y + 5 = 68 ( subtract 5 from both sides )

-9y = 63 ( divide both sides by - 9 )

y = - 7

Hence

BD = 2(2y + 68)

     = 4y + 136

     = (4 × - 7) + 136

     = - 28 + 136

     = 108 → A

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if an area can be washed at a rate of 4,900 cm2/ minute, how many square inches can be washed per hour?
Olenka [21]

Answer : 4.5 × 10⁴ square inches can be washed per hour.

Step-by-step explanation :

As we are given that an area can be washed at a rate of 4,900 cm²/min. Now we have to determine the square inches can be washed per hour.

Given conversions are:

1 cm = 0.39 in    and    1 hr = 60 min

As, 1 cm² = (0.39)² in²    and    1 min = 1/60 hr

So, 1cm^2/min=(0.39)^2\times 60in^2/hr

1cm^2/min=9.126in^2/hr

Now we have to determine the square inches can be washed per hour.

As, 1cm^2/min=9.126in^2/hr

So, 4900cm^2/min=\frac{4900cm^2/min}{1cm^2/min}\times 9.126in^2/hr=44717.4in^2/hr=4.5\times 10^4in^2/hr

Therefore, 4.5 × 10⁴ square inches can be washed per hour.

4 0
3 years ago
3. Riley finds out that Cooper's Storage and Shipping Company is working with a local business to package some office supplies.
azamat
Ok, so the bigger box has sides that are multiples of 4.5 inches:
18in * 9in * 4.5in. 
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5 0
3 years ago
Find the equation of this line.
lukranit [14]

Answer:

Shhshshsjjsjsjnsns

Step-by-step explanation:

Kaksmsndnndndnd

6 0
4 years ago
can someone please help me?!
stealth61 [152]

Answer:

z = 92

x = 11

Step-by-step explanation:

From the figure,

13x - 55 = 88 (Opposite angles made by two straight lines are equal)

13x = 88 + 55

13x = 143

x = 143/13

x = 11

Again,

88 + z = 180 (Sum of angles of a straight line)

z = 180 - 88

z = 92

5 0
3 years ago
Read 2 more answers
I’ll rate your answer 5 stars if you can help me pls
kap26 [50]
Answer:
104:2=52
3*52=156
1) 156/3
2)364/7
7*52=364
7 0
3 years ago
Read 2 more answers
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