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olga2289 [7]
3 years ago
5

1. 2300 hrs = pm

Mathematics
1 answer:
meriva3 years ago
8 0
1. 2300-12:00=11:00pm
2. x+48+29=180° in a triangle
x=103°
3. 9 is in the one-hundredth place
4. 159,000
5. 298×21=6258 but to estimate you can get close with 300×21=6,300
6. 5.3×7=$37.10
7. 258,008-10,000=248,008
8. 1/4+1/2+7/8
LCD is 8 so 2/8+4/8+7/8 so (2+4+7)/8=13/8
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82% of the 200 animals in a dog or cat rescue centers are cats. What percentage are dogs?
Sever21 [200]
The answer to your question is 59%
3 0
3 years ago
The premiter of a rectangular rug is 40 feet. Its length is 12 feet. What is the width
Mandarinka [93]
P= 2L + 2W

40= 2(12) + 2W

40= 24 + 2W

16 = 2W

W= 8
3 0
2 years ago
A 50 litre solution of acid and water contains 10 litres of acid. How much water must be added to make the solution 8 % acidic.
Shtirlitz [24]

Answer:

<h2>Your welcome!</h2>

Step-by-step explanation:

Acid present in the solution = 10 L

Required volume concentration of acid = 8/100

Let x amount of water be added to achieve the required %.

In the new solution, proportion of acid= 10/(50+x)

Therefore,

10/(50+x) = 8/100

x=75

Ans: 75 L of water must be added to the solution

5 0
4 years ago
Using the following equation, find the center and radius of the circle. x^2 + 4x + y^2 - 6y= -5
Neko [114]
A circle is a set of points in a plane equidistant from a fixed point. It has a general formula of x² + y² = r². This is if the center is at the origin. However, if the center at point h and k, the equation becomes (x-h)² + (y-k)² = r².

We write the given equation in the form (x-h)² + (y-k)² = r² by completing the square.

x² + 4x + y² - 6y = −5
(x² + 4x + 4 )+ (y² - 6y +9) = −5 + 4 + 9 = 8
(x + 2)² + (y + 3)² = (2√2)²

Therefore,

center = (-2, -3)
radius = 2√2
4 0
3 years ago
Simplify the expression.<br><br> (–2)5<br><br><br> –32<br><br><br> 16<br><br><br> 32<br><br><br> –10
e-lub [12.9K]
-10 i hope that helps


3 0
3 years ago
Read 2 more answers
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