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Airida [17]
2 years ago
11

Sampson has a list of items that are on sale to pick up at the store. The sale items are the following:

Mathematics
2 answers:
olchik [2.2K]2 years ago
8 0

Answer:

the answer is A) Yes, Sampson's receipt is correct.

Step-by-step explanation:

strojnjashka [21]2 years ago
5 0

Answer: A. Yes, Sampson's receipt is correct.

Step-by-step explanation: It's right on Edg.

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If EG = 28 and F is the midpoint of<br> segment EG, the length of EF =<br> E<br> F.<br> G
valina [46]
If line segment EF is 28 and F is halfway through the line, then segment EF will be half of 28. So segment EF=14
8 0
3 years ago
a hotel has enough food for 125 guest to last 16 days. how long will the food last if 25 more guest check-in to the hotel ?
timama [110]
3.2 less days than 16 because each 25 is 5 than 16 divide by 5 is 3.2
6 0
3 years ago
When 31 times a number is increased by 40 the answer is the same as two 200 is decreased by the number
storchak [24]
x-\ number\\\\&#10;31x+40=200-x\ \ \ | add\ x\\\\&#10;32x+40=200\ \ \ | subtract\ 40\\\\&#10;32x=160\ \ \ \ | divide\ by\ 32\\\\x=5\\\\Number\ is\ 5.
4 0
3 years ago
The roots of 2x^2-3x=4 are a and b. Find the simplest quadratic equation which has roots 1/a and 1/b
Tju [1.3M]
Find the roots

solve
we use hmm, completing the suare
2(x²-1.5x)=4
divide both sides by 2
x²-1.5x=2
take 1/2 of linear coeiftn and square it
-1.5/2=-0.75, (-0.75)²=0.5625
add that to both sides
x²-1.5x+0.5625=2+0.5625
factor perfect squaer trinomial
(x-0.75)²=2.5625
square root both sides, remember to take positive and negative square roots
x-0.75=+/-√2.5625
add 0.75 to both sides
x=0.75+/-√2.5625

the roots are x=0.75+√2.5625 and x=0.75-√2.5625

1/a and 1/b
1/(0.75+√2.5625) and 1/(0.75-√2.5625)

if the roots of a quadratic equation are r1 and r2 then it factors to
(x-r1)(x-r2)
so then we can factor our equation to be
(x-\frac{1}{0.75+\sqrt{2.5625}})(x-\frac{1}{0.75-\sqrt{2.5625}})

if we were to try and expand it, we would get
x²+0.75x-0.5
that's the simpliest equation with roots 1/a and 1/b where a and b are he roots of 2x²-3x=4


x²+0.75x-0.5 is answer
8 0
3 years ago
Please help me with this question.
stiv31 [10]
9 - 1/2 is the answer
3 0
3 years ago
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