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scoray [572]
3 years ago
13

A chemist weighed an object and found its mass to be 250 grams. The objects actual mass is 360 grams. What was the chemists perc

ent of error?
Mathematics
1 answer:
icang [17]3 years ago
6 0
100 percent off the top floor of a chair
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Can someone help me with this
jolli1 [7]

Answer:

  4 sides

Step-by-step explanation:

A lot of math is about pattern matching. Here, you're asked if sides are the same length (one side matches another), if there are right angles (square corners), and if the number of angles or sides is 4.

You might make the observations ...

  <u>pink</u>: 2 pairs of parallel sides that are the same length (4 sides). Adjacent sides are different length.

  <u>orange</u>: all 4 sides are congruent and at right angles

  <u>blue</u>: 2 pairs of parallel sides that are the same length (4 sides). Adjacent sides are different length.

  <u>green</u>: 2 pairs of parallel sides that are the same length--4 sides and 4 right angles. Adjacent sides are different length.

__

The only feature in common is "4 sides."

5 0
2 years ago
Find the difference:<br> -3/5 - (-5/9)
Stella [2.4K]

Answer:

-2/45

Step-by-step explanation:

-3/5 - (-5/9)

Subtracting a negative is like adding

-3/5 + 5/9

Get a common denominator of 45

-3/5*9/9    + 5/9 *5/5

-27/45 + 25/45

-2/45

6 0
2 years ago
Read 2 more answers
Work out the area of the parallelogram.<br> Not drawn<br> accurately<br> 13 cm<br> 799<br> 21 cm
Setler [38]
all u do is see what looked right and add
6 0
3 years ago
Read 2 more answers
6=m-7/8<br> please help me pleaaaaaaaase
AlladinOne [14]

Answer:

m = 55/8 = 6.875

Step-by-step explanation:

Step by step solution :

Step  1  :

           7

Simplify   —

           8

Equation at the end of step  1  :

            7

 6 -  (m -  —)  = 0  

            8

Step  2  :

Rewriting the whole as an Equivalent Fraction :

2.1   Subtracting a fraction from a whole

Rewrite the whole as a fraction using  8  as the denominator :

         m     m • 8

    m =  —  =  —————

         1       8  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

3 0
3 years ago
What’s the nearest hundredth of square root 63
prohojiy [21]
I believe the answer is 7.94
the hundredth is the 4
3 0
2 years ago
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