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ella [17]
3 years ago
8

Ali finished his history assignment in 1/4

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
5 0

\frac{1}{4}  \times 3 =  \frac{3}{12}   \frac{2}{3}  \times 4 =  \frac{8}{12}  \\  \frac{3}{12}  +  \frac{8}{12}  =  \frac{11}{12}
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4x^2+2xy-10y^2+9=0 what is the value of a,b,c and the discriminant?
zavuch27 [327]

basically you treat y like a number and not a variable

Answer:

a is 4

b is 2y

c is -10y²+9

discriminant is 4(41y²-36)

Step-by-step explanation:

4x²+2xy-10y²+9=0

rewrite in standard form of a quadratic equation like ax² + bx + c = 0

4x²+2yx-10y²+9=0

basically you treat y like a number and not a variable

a is the number with the x²

right away we know a is 4 because of 4x²

b is the one with x so in this formula b is 2y

c is the number without the x which in this case is -10y²+9

discriminant is

b² - 4ac

(2y)²- (4)(4)(-10y²+9)

4y²-(16)(-10y²+9)

4y²-(16)(-10y²+9)

4y²+160y²-144

164y²-144 =

4(41y²-36)

6 0
2 years ago
8 cm
katrin [286]
Your answer would be 6 cm
5 0
3 years ago
Read 2 more answers
Given a line segment A(16, 8) and B(1, 3) what are the coordinates or the line segment partitioned two-fifths from A to B.
Shalnov [3]
Partitioning means to find the dividing point between two points.
This is done by prorating the difference in x- and y-coordinates, and adding to the first.

We will take the first point (from A to B) as A(16,8).
The difference is B-A, i.e.
(1,3)-(16,8) = (-15,-5)
2/5 of the difference is (2/5)*(-15,-5) = (-6,-2)
Add the difference to the first coordinates (point A) gives
Point of division = (16,8)+(-6,-2) = (16-6, 8-2) = (10,6)


7 0
3 years ago
Deposited 17 dollars,4 five dollar bills, and 6 twenty dollar bills.what was jared total deposit
Annette [7]

So, he deposited 17 dollars, ( 4 ) 5 dollar bills, and 6 twenty dollar bills.

5 + 5 + 5 + 5 = 20

20 x 6 = 120

120 + 20 = 140

140 + 17 = 157

He deposited a total of <u>157 dollars.</u>

hope this helps!

5 0
3 years ago
The length of Amy's rectangular kitchen is 12 feet. If the area of the room is at least 96 square feet, what is the smallest wid
leva [86]
The answer should be 8
6 0
3 years ago
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