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Romashka [77]
3 years ago
5

WILL MARK BRAINLIEST

Mathematics
1 answer:
il63 [147K]3 years ago
8 0

Answer:

1) c 2)c 3)b

Step-by-step explanation:

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I need some help with this
Korvikt [17]


The following can be deduced from the expressions

m ∠ D = 4 × m ∠ A
m ∠ B = 3 × m ∠ A-12

Please note that the sum of angles in a triangle is 180 degress. Therefore,

M∠ A + m ∠ B + m ∠ D = 180equation(3)

Substitute for equation 1 and 2 in equation 3 as shown below

m ∠ A + 3 × m ∠ A - 12^0 + 4 x m ∠ A =180^0
m ∠ A + 3 × m ∠ A + 4 x m ∠ A = 180^0+12^0
8m ∠ A = 192^0
m ∠ A= 192^0/8
m ∠ A=24^0

Substitute for m∠A= 24 in equation 1 and 2 as shown below

m ∠ D = 4 × m ∠ A
m ∠ D = 4 × 24^0
m ∠ D = 96^0
m ∠ B = 3 × mA - 12^0
m ∠ B = 3 × 24^0 - 12
m ∠ B = 72^0 - 12^0

,

∠= °

∠= °

∠= °
5 0
2 years ago
This partial circle has a radius of 11 inches.
Alecsey [184]
First, find the area of the circle
 pie*radius to the power of 2(radius*raduis)
(11*11=121) 121*3.14=379.94
take your answer and divide it by 4 we would divide it by 2 if we had a semicircle but since we have a 3/4 circle we divide by 4 and then times the Quotient by 3
379.94/4=94.985
94.985*3=284.955
Round ur answer to the nearest tenth so it equals 284.96
4 0
3 years ago
Read 2 more answers
Can someone explain aswell
Svet_ta [14]

Answer:

24 ft²

Step-by-step explanation:

find the length of the base of each triangle through a² + b² = c², c being hypotenuse.

after finding the length of each individual base, use A= 1/2bh (multiply base and height and then divide by 2) to calculate area of each triangle. then add and round. hope this helps

8 0
3 years ago
Una señora compro medio kilo de pescado y 450 gramos de carne de res. ¿Cuánto le falta para completar el kilo?
matrenka [14]

Answer:

LE FALTA 50 gr

Step-by-step explanation:

PESCADO MEDIO KG= 500 gr

CARNE DE RES= 450 gr

500+450=950 gr

1000 - 950= 50 gr

8 0
2 years ago
Write an equation for the description.
AURORKA [14]

Answer:

L = 2w  134 = 2L + 2w

7 0
3 years ago
Read 2 more answers
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