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Ann [662]
2 years ago
5

3. Collin bought 3 cookies and 5 doughnuts for $12.50. Dana bought I cookie and I doughnut for $3.00. How much is a cookie? a do

ughnut?​
Mathematics
1 answer:
katrin [286]2 years ago
3 0

Answer:

$1.50

Step-by-step explanation:

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Karen and bill collector coins Karen has x coins but Bill has eight coins fewer than three times the number of coins Karen has t
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Bill y= 3x-8
In total; y= 4x-8+x
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8 0
2 years ago
Find the exact value of x.
frozen [14]

Answer:

9*√3

Step-by-step explanation:

The exact value of Sin60 = √3/2

Sin(60)  = opposite side/ hypotenuse

hypotenuse = 18

√3/2 = x / hypotenuse

√3 / 2 = x / 18     multiply by 18

18 √3 /2 = x        divide by 2  

9 √3   = x

8 0
3 years ago
Which of the following expressions is NOT equivalent to (x − 6)(x − 3)?
kodGreya [7K]

Answer:

B. x(x) + (−6)(−3)

NOT equivalent  to (x − 6)(x − 3)

Step-by-step explanation:

(x − 6)(x − 3)

= x^2 - 3x - 6x + 18

= x^2 - 9x + 18

A. (6 − x)(3 − x)

= 18 - 6x - 3x + x^2

= 18 - 9x + x^2

= x^2  - 9x + 18  ---->equivalent  to (x − 6)(x − 3)

B. x(x) + (−6)(−3)  = x^2 + 18   ----> NOT equivalent  to (x − 6)(x − 3)

C. x2 − 3x − 6x + 18   = x^2 - 9x + 18  --> equivalent  to (x − 6)(x − 3)

D. x(x − 6) − 3(x − 6)

= x^2 - 6x - 3x + 18

= x^2  - 9x + 18  ---->equivalent  to (x − 6)(x − 3)

4 0
2 years ago
________________________________. Therefore, ABCD is a parallelogram because both pairs of opposite sides are parallel.
kati45 [8]
Clengths of opposite sides are equal
4 0
3 years ago
Read 2 more answers
Can someone help me answer part b please .As I have no idea what it is ?
Elza [17]

Answer:

(4,1)

Step-by-step explanation:

7 0
3 years ago
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