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mezya [45]
2 years ago
5

Help please! find m∠bcf

Mathematics
2 answers:
LUCKY_DIMON [66]2 years ago
6 0

Answer:

m<BCF=140°

Step-by-step explanation:

first find m<BCD

m<BCD=180-50-90

m<BCD=40°.

to find m<BCF, we can do 180-m<BCD, since m<BCD and m<BCF add up to 180° (they form a straight angle)

180-m<BCD=m<BCF

180-40=m<BCF

m<BCF=140°

77julia77 [94]2 years ago
5 0

Answer:

BCF = 140°

See attached image.

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the length of my living rooom is 24 feet. the width of my living room is 1/2 the length. what is the area of my living room.
stich3 [128]

The width of my living room is 1/2 the length :

24 \times  \frac{1}{2}  = 12 \: ft

The area of my living room :

24 \times 12 = 288 \:  {ft}^{2}

Answer: 288

Ok done. Thank to me :>

7 0
2 years ago
1/7 (x-3) = 5/7 ? solve for x.
yuradex [85]
1/7 (x - 3) = 5/7
1/7x - 3/7 = 5/7
1/7x - 3/7 + 3/7 = 5/7 + 3/7
1/7x = 8/7
1/7x(7) = 8/7(7)
X = 56/7
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4 0
3 years ago
Help pleaseee 15 points ​
hodyreva [135]

Answer:

55°

Step-by-step explanation:

35°+ 90° + ? =180°

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8 0
2 years ago
Read 2 more answers
−6x^2−1 and x+9 help will mark brainliest.
Varvara68 [4.7K]

Answer:

-6x^2+x+8

Step-by-step explanation:

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8 0
2 years ago
Carl bought 19 apples of 2 different varieties to make a pie.The total cost of the apple was $5.10.Granny Smith apples cost $0.2
disa [49]

For this case we propose a system of equations:

x: Let the variable representing the quantity of Granny Smith apples

y: Let the variable representing the number of Gala apples

According to the statement we have:

x + y = 19\\0.25x + 0.30y = 5.10

From the first equation we have to:

x = 19-y

replacing in the second equation:

0.25 (19-y) + 0.30y = 5.10\\4.75-0.25y + 0.30y = 5.10\\4.75 + 0.05y = 5.10\\0.05y = 5.10-4.75\\0.05y = 0.35\\y = \frac {0.35} {0.05}\\y = 7

So, Carl bought 7 Gala apples

On the other hand:

x = 19-7 = 12

So, Carl bought 12 Granny Smith apples

Answer:

Carl bought 7 Gala apples and 12 Granny Smith apples

8 0
2 years ago
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