2 years ago

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.

You might be interested in

What is the length of AD, in centimeters?

LekaFEV [45]

Answer:

AD=2

Step-by-step explanation:

$\frac{6}{12} =\frac{AB}{20} \\AB=\frac{6}{12} \times 20=10\\AD+DF+FB=10\\AD+6+FB=10\\AD+FB=10-6=4\\AD+AD=4 ( \because ~FB=AD )\\2AD=4\\AD=4/2=2$

8 0

3 years ago

Read 2 more answers

Pls help ASAP ONLY 2.3 and 1 at the bottom {60 points}

Goshia [24]

Answer:

1. 11.8x9.8=115.64 115.64/2=57.82 (57.82Inches)

2. 12x5=60 60/2=30 (30m)

3. 25x9=225 9x9=81 81/2=40.5 225-40.5=184.5 184.5/92.25 (92.25ft)

Step-by-step explanation:

Brailist Plz

3 0

3 years ago

Each rectangle on the tile sweater is 6 inches wide and 4 inches high. It took 11 stitches to make 2 inches in width and 21 rows

allsm [11]

Answer:

the answer is 800in

Step-by-step explanation:

3 0

3 years ago

a bullet train can travel at 170 miles per hour will a graph representing distance in miles compared to time an hour show a prop

lina2011 [118]

Yes it will. For every one hour, the train travels 170 miles. That’s the rate of change/ the ratio-> 1:170

8 0

3 years ago

Read 2 more answers

Two functions are combined resulting in the function j(x) = –3x2 + 5.

labwork [276]

Answer:

two quadratic functions combined by addition

a linear function and a quadratic function combined by addition

two linear functions combined by multiplication

Step-by-step explanation:

-3x² + 5

(-4x² + 4) + (x² + 1)

-3x² + 5

(-3x² - x) + (x + 5)

-3x² + 5

(sqrt(5) - sqrt(3)x)(sqrt(5) + sqrt(3)x)

7 0

3 years ago