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irina [24]
2 years ago
12

What expression is not equivalent to this expression: 75a + 50b

Mathematics
1 answer:
nadya68 [22]2 years ago
4 0
25(3a+2b)
Factor out 25 from the expression
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Please Solve this, it would be extremely helpful for me.
Sidana [21]

Answer:

Step-by-step explanation:

1) ΔCPD & ΔEPF

∠CPD = ∠EPF   { Vertically opposite angles}

∠CDP = ∠PFE {CD║EF, FD is transversal, Alternate interior angles are equal}

ΔCPD ≈ΔEPF  {AA criteria for similarity }

\frac{DC}{EF} =\frac{PC}{EP}\\\\\\\frac{27}{EF}=\frac{15}{7.5}\\\\

Cross multiply

EF * 15 = 27 * 7.5

EF =\frac{27*7.5}{15}\\\\

EF = 27 * 0.5

EF = 13.5 cm

ii) EF // AB, so Triangles ACB & ECF are similar triangles

\frac{AB}{EF}=\frac{AC}{EC}\\\\\frac{22.5}{13.5}=\frac{AC}{22.5}

AC= \frac{22.5*22.5}{13.5}\\\\AC=37.5 cm

AC = 37.5 cm

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3 years ago
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Misha Larkins [42]
Hope this answer helps you! If it did, please mark it as the brainiest! I would really appreciate it! :)

8 0
3 years ago
Quadrilateral ABCD is inscribed in the circle. If m∠A = 95°, what also must be true?
makvit [3.9K]
Opposite angles in a cyclic quadrilateral add up to 180 degrees .
So the angle opposite angle A ( that is angle C) must be 180-95 = 85 degrees
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Find the center and radius of (x-4)2 + (y+2)2 = 32
Trava [24]

Step-by-step explanation:

General equation of the circle with center (h,k) and radius r,

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Therefore, on comparison

center ( 4, -2)

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Answer:

Could you link the table?

Step-by-step explanation:

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