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Pani-rosa [81]
3 years ago
10

A scale has a percent error of 7%. The scale reads the mass of a book as 450 g.

Mathematics
2 answers:
Hatshy [7]3 years ago
7 0
500 grams I think it probably will be wrong but worth a try
ipn [44]3 years ago
5 0

Answer: it's actually 419 g or 482 g is correct because I took the test and all of the answers other than this one is wrong.


Step-by-step explanation:


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What is the answer to (-10) - (-3)?
Zigmanuir [339]
The answer is -7 because when you minus a negative number you add it, and -10 + 3 is -7. I hope this helps!
3 0
3 years ago
Find BD.<br> help me pls
Anna [14]

Answer:

16

Step-by-step explanation:

We can see that Ar is the perpendicular bisector of chord BD. Since A is the center of the circle, AR is the radius of the circle, which is 10 (6+4)

Next, we can see that when we connect point A to point D, it is also a radius. Thus, AD is also equal to 10 as the radius of the circle remains the same.

Using Pythagoras theorem, a^2 + b^2 = c^2, we can make a right angled triangle of ACD.

AC = 6 = a

CD = ? = b

AD = 10 = c

10^2 = 6^2 + b^2

b^2 = 10^2 - 6^2 = 64

b = CD = 8

Now, since Ar is the perpendicular bisector of chord BD, BD = CD x 2

BD = 8 x 2 = <u>16</u>

5 0
1 year ago
Find the correct value of x
bearhunter [10]

Answer: x = 20

Step-by-step explanation:

Right angle = 90

90 - 47 = 43

43 - 3 = 40

40/2 = 20

3 0
2 years ago
Help please quickly thank you so much
STALIN [3.7K]

Answer:

120 deg

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A store is having a going -out-of buisness sale.a television set that orginally cost 3000 has been marked down by30% what do you
allsm [11]

2,247

Step-by-step explanation:

take 3000 and minus that by 30 percent, then after that, add 7 percent to get your total.

7 0
2 years ago
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