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kiruha [24]
3 years ago
11

Triangle DEF is an isosceles, so DEF = DFE.

Mathematics
2 answers:
Katarina [22]3 years ago
8 0

Answer:

m∠CFD=105\°

Step-by-step explanation:

we know that

m∠CFD+m∠DFE=180\° ------> by supplementary angles

we have

that

m∠DFE=m∠DEF=75\°

so

m∠CFD+75\°=180\°

m∠CFD=180\°-75\°=105\°

Ratling [72]3 years ago
4 0
I believe its 105 degrees
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Complete the table below using the Midpoint and Distance Formulas.
Zielflug [23.3K]

Answer:

Coordinates of M = (2, -1)

Length of AB = 10 units

Step-by-step explanation:

Coordinates of the midpoint (M) of the distance between A(2, 4) and B(2, -6)

M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2})

Let A(2, 4) = (x_1, y_1)

B(2, -6) = (x_2, y_2)

Thus:

M(\frac{2 + 2}{2}, \frac{4 +(-6)}{2})

M(\frac{4}{2}, \frac{-2}{2})

M(2, -1)

Length of AB:

Distance between A(2, 4) and B(2, -6):

AB = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

Let,

A(2, 4) = (x_1, y_1)

B(2, -6) = (x_2, y_2)

AB = \sqrt{(2 - 2)^2 + (-6 - 4)^2}

AB = \sqrt{(0)^2 + (-10)^2}

AB = \sqrt{0 + 100} = \sqrt{100}

AB = 10

5 0
3 years ago
A dress maker had 27 yards of fabric.If she wanted to use the fabric to make 5 dresses,each using the same amount of fabric how
Alina [70]

Each dress will need 5.4 yards of fabric and the answer lies between 5 and 6

Step-by-step explanation:

Given

Total fabric = 27 yards

Dresses to be made = 5

In order to find the measurement of fabric for one dress, the total fabric will be divided by number of dresses to be made.

So,

Fabric\ for\ one\ dress = \frac{Total\ fabric}{No.\ of\ dresses}

Fabric\ for\ one\ dress = \frac{27}{5}\\=5.4\ yards

The answer lies between the whole numbers 5 and 6

Hence,

Each dress will need 5.4 yards of fabric and the answer lies between 5 and 6

Keywords: Fractions, Division

Learn more about fractions at:

  • brainly.com/question/5528742
  • brainly.com/question/5533462

#LearnwithBrainly

3 0
3 years ago
Solve for y<br> X+y=6 <br> X=4<br> Simplify your answer as much as possible<br> Will give Brainliest
maw [93]
Answer and workin your attached below. Hope it helps

5 0
2 years ago
Read 2 more answers
So how do I do this?
Art [367]

Answer:

They are asking what line meets that number (5) which should be Line A

Step-by-step explanation:

5 0
3 years ago
Ayana bought a container of peanuts she gave one fourth of it to one sister one third to another sister and she kept the rest fo
Rom4ik [11]
1/4 and 1/3 therefore she kept 5/12 for herself because u need to fine the LCD which is 12 then add them together and then subtract that by 12/12    ( which is all the nuts) to find how many you have left over
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3 years ago
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