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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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A stack of 20 coins contains only nickels and
Galina-37 [17]

Answer:

16 quarters and 4 nickels

4×25=1.00 × 4 = 4.00 4×4=16-quarters

20-16=4-nickels

Step-by-step explanation:

Hope this helps!

7 0
3 years ago
The perimeter of a rectangular parking lot is 292 m.
Reika [66]

Answer:

the answer would be 211

Step-by-step explanation:

you simply add the length and width together to find perimeter. since you have the total perimeter and the length you would instead subtract the two.

292-81= 211

4 0
3 years ago
Read 2 more answers
The four hand of a clock moves from 12 to 5 o'clock through how many degrees does it move?
julsineya [31]
To find the answer you have to first find how many degrees are there in between each number in the clock. the clock is 360°degrees and there are 12 numbers marked in a clock., so you have to divide 360 by 12 to get the number of degrees in between each number,
360°÷12=30° so there are 30°degrees between each number. 

if a clock hand moves from 12 to 5, it pass 5 numbers, so to get your final answer you have to multiply 30° by 5=150°.

so your answer is 150°degrees.
hope you can understand what i said. :)
8 0
3 years ago
The equation of a line is (3)/(5)x+(1)/(3)y=(1)/(15) . The x-intercept of the line is , and its y-intercept is .
boyakko [2]

bxf-mgii-whr

Step-by-step explanation:

come I will teach

6 0
3 years ago
Marcy left for school and felt like running. She ran for a while and then stopped to rest. After resting, she walked the rest of
egoroff_w [7]

Answer:

The last graph best represents the story

Step-by-step explanation:

Mary left for school from rest. So the initial speed is zero.

So we start from the origin and draw a straight line with a positive slope to running, that is as time increases , distance covered also increases.

When she is resting, her speed is zero so we draw a horizontal line to indicate this second phase of her journey.

After resting she still continued her journey to school.

This part also has a positive slope.

8 0
3 years ago
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