What is this pleaseeeee helpp pleaseeeeeee
2 answers:
Answer:
<u><em>10 percentage of the beads on Rachel's necklace are blue</em></u>
Step-by-step explanation:
<em>Given the following:</em>
<em />
<em>we were told that Rachel has a new beaded necklace.</em>
<em />
<em>The necklace has </em><em> </em><em>blue beads</em>
<em />
<em>It also has </em><em> </em><em>white beads.</em>
<em></em>
<em>we are to find the </em><u><em>percentage </em></u><em>of beads on Rachel's necklace that are blue.</em>
<em />
<em>first we find the total beads.</em>
<em />
<em>Total beads = </em><em />
<em />
<em>recall blue beads = </em><em />
<em />
<em>Therefore, the percentage of blue beads is: ?</em>
<em />
<em>the number of blue beads divide by the total number of beads multiply by 100</em>
<em />
<em>Percentage of blue beads = </em><em />
<em /><em> </em><em>which equals 10%</em>
<em>Therefore the percentage of the beads on Rachel's necklace that are blue is 10%.</em>
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Yes, Heather is correct. The expressions are not equivalent
<em><u>Solution:</u></em>
Given that,
Heather says, the following expressions are not equivalent
Because one expression has a term that is subtracted and the other does not
<em><u>Combine the like terms in first expression:</u></em>
<em><u>Let us first expand the second expression</u></em>
By distributive property
a(b + c) = ab + bc
Therefore,
<em><u>Thus the two expressions are:</u></em>
Yes both the expressions are not equivalent
Because, in first expression 2x is added to 8
But in second expression, 8 is subtracted from 2x
Thus heather is correct