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Vanyuwa [196]
3 years ago
10

Divide 5x^2 +6x-9 into 25x^4+19x^2-x-78

Mathematics
1 answer:
DochEvi [55]3 years ago
6 0
I've uploaded a photo with the answer because it's too hard to do this out on the computer.

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Given that the mean of a set of data is 25 and the standard deviation is 3,
PtichkaEL [24]
Coefficient of variation CV =std/mean *100%
CV = 3/25 *100%
Cv = 12%
4 0
3 years ago
A local culinary market sells ground sumac for $1.25 per ounce and ground thyme for $1.50 per ounce. You want to make a 25-oz se
almond37 [142]
Let
x-------> ounces of <span>ground sumac
y-------> ounces of </span><span>ground thyme

we know that
x+y=25------> x=25-y------> equation 1
1.25x+1.5y=1.35*25-----> 1.25x+1.5y=33.75-----> equation 2

substitute equation 1 in equation 2
1.25*[25-y]+1.5y=33.75------> 31.25-1.25y+1.5y=33.75
0.25y=2.5
y=10
x=25-y-----> x=25-10-----> x=15

the answer is
15 </span>ounces of ground sumac
10 ounces of ground thyme
5 0
3 years ago
8x - 3x + 2 - x = ax + b<br> solve for b
kkurt [141]

Answer:

b = -ax + 4x + 2

Step-by-step explanation:

8x - 3x + 2 - x = ax + b

~Combine like terms

4x + 2 = ax + b

~Subtract ax to both sides

4x - ax + 2 = b

~Rewrite

b = -ax + 4x + 2

Best of Luck!

8 0
2 years ago
plzzzzzzzzzzzzzzzzzzzzzzzzzz help plz i really wanna pass this semster so i can go to 10th gradeee im begging plz helpppppppp wi
Naily [24]

Answer:

<em>The</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>x</em><em> </em><em>-</em><em> </em><em>y</em><em> </em><em>=</em><em> </em><em>7</em>

Step-by-step explanation:

<em>2x</em><em> </em><em>-</em><em> </em><em>2y</em><em> </em><em>=</em><em> </em><em>14</em><em> </em>

<em>2</em><em>(</em><em>x</em><em> </em><em>-</em><em> </em><em>y</em><em>)</em><em> </em><em>=</em><em> </em><em>14</em><em> </em>

<em>x</em><em> </em><em>-</em><em> </em><em>y</em><em> </em><em>=</em><em> </em><em>14</em><em>/</em><em>2</em>

<em>x</em><em> </em><em>-</em><em> </em><em>y</em><em> </em><em>=</em><em> </em><em>7</em><em> </em>

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7 0
2 years ago
What is the gross earnings for a person who has $26,480 in total sales,
zhuklara [117]

Answer:

$3103.6

Step-by-step explanation:

Given data

Total sales= $26,480

Returns and Allowances=$1250

Commission = 7%

Let us find the amount in commission earned

=7/100*26,480

=0.07*26480

=$1853.6

Hence the gross earnings

=1853.6+1250

=$3103.6

8 0
3 years ago
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