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Elis [28]
3 years ago
13

Factorise 2x²-9x+10 (this must be put in two brackets)

Mathematics
2 answers:
kap26 [50]3 years ago
8 0
2 x^{2} -9x+10=2 x^{2} -4x-5x+10=2x(x-2)-5(x-2)= \\ =(x-2)(2x-5).
galben [10]3 years ago
4 0
Find both roots :
\Delta=81-80=1 hence r=\frac{9\pm1}4=\frac{5}2\text{ or }2

Thus it is 2(x-\frac{5}2)(x-2)
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denis-greek [22]
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5 0
2 years ago
There are 312 fish at the aquarium in 3 different fish tanks. Each tank has the same number of fish. How many fish are in each t
dmitriy555 [2]

Answer:

312 \div 3 = x \\ x =  \frac{312}{3}  \\ x =  \frac{104}{1}  \\ x = 104 fish \: in \: each \: tank

4 0
2 years ago
Suppose a local park is rectangular in shape and has a length of 210 yards and a width of 105 yards. What is the length of the d
Otrada [13]

Answer:

234.784 ~ 235

Step-by-step explanation:

One side = 210

other side = 105

a2+b2 = c2

210 ^2 + 105 ^2 = c2

55125 = c ^2

c = \sqrt{55125} = 234.784 ~ 235

hope its right!!!

7 0
3 years ago
The formula for potential energy is P = mgh. Solve the equation for h.
Liono4ka [1.6K]

Answer:

P = mgh

P/mg = h

We can divide both sides by mg, since both mass and gravity are being multiplied and not added.

Hope this helps!! :)

Step-by-step explanation:

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3 years ago
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Molodets [167]

Answer:

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Step-by-step explanation:

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