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IrinaVladis [17]
3 years ago
11

Higher Order Thinking.

Mathematics
1 answer:
defon3 years ago
7 0
Pat has 4 more cards than Frank. Hope that helps! :) 
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I FORGOT THE LAST ONE
zalisa [80]
I think it’s 3.2 but I don’t know
5 0
3 years ago
Read 2 more answers
Lucy is knitting a blanket and needs to buy some more yarn. At her local craft store, 2 skeins of yarn cost 57 and 8 skeins of y
prisoha [69]

Answer: it’s A 7/2 i just took this

Step-by-step explanation:

5 0
2 years ago
Find a quadratic expression with integer coefficients whose roots are <img src="https://tex.z-dn.net/?f=5%2F2%2B%203i" id="TexFo
prohojiy [21]

Answer:

4x² -20x  +61

Step-by-step explanation:

the quadratic equation can be written as (x-root1)(x-root2)

(x-(5/2) -3i) (x-(5/2)+3i), distribute

x² -(5/2)x +3xi -(5/2)x + 25/4 -(15/2)i -3xi +(15/2)i -9i², simplify

x² -(5/2)x -(5/2)x + 25/4  -9i², use the fact that i² =(√-1)² = -1 and substitute i²

x² -(5/2)x -(5/2)x + 25/4 +9, combine like terms and rewrite 9 as 36/4

x² -(10/2)x  +25/4 + 36/4, combine like terms and simplify

x² -5x  +61/4 is the quadratic expression yet it does not have integer coefficients so multiply by 4 to have all coefficients integers

4x² -20x  +61

7 0
3 years ago
Juanita is scrapbooking. She usually completes about 9 pages per hour. One night last week she completed pages 23 through 47 in
Ad libitum [116K]

Answer:

No

Step-by-step explanation:

She worked at an average of 9.6 pages per hour. 47-23=24 pages 24 pg/2.5 hours= 9.6 pages per hour.

4 0
2 years ago
A family eats at a restaurant. The bill is $42. The family leaves a tip and spends $49.77.
jeka94

Answer;

7.77

Step-by-step explanation:

7 0
2 years ago
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