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3 years ago

What is another name for ∠EBC?

Mathematics

1 answer:

ANEK [815]3 years ago

6 0

Answer:

Number 4

Step-by-step explanation:

Angle CBE is the same thing as angle EBC. The only thing that matters when you're talking about ONE angle is the middle letter.

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Six students are to be seated in a row of 6 chairs. if three of thses students must be seated together, how many ways could this

liraira [26]

Students : A B C D E F
3 of them (A, B, & C) must be seated together

options::
A B C D E F ..... D E F A B C ..... D A B C E F ..... D E A B C F
A B C D F E ..... D F E A B C ..... D A B C F E ..... D F A B C E
A B C E F D ..... E F D A B C ..... E A B C F D ..... E F A B C D
A B C E D F ..... E D F A B C ..... E A B C D F ..... E D A B C F
A B C F E D ..... F E D A B C ..... F A B C E D ..... F E A B C D
A B C F D E ..... F D E A B C ..... F A B C D E ..... F D A B C E

24 options

4 0

3 years ago

Read 2 more answers

Rampur Sarpanch requested one of his villager to donate a 6m wide land adjusted to his 132.8m long side of his right triangular

Ronch [10]

Answer:

Area of the remaining triangle with the villager is 1243.13 m²

Step-by-step explanation:

Triangle ABC is the triangular plot of a villager shown in the figure attached.

Sarpanch requested the villager to donate land which is 6 m wide and along the side AC which measures 132.8m.

Other sides of the plot has been given as AB = 50m and BC = 123 m.

Now area of this land before donation = $\frac{1}{2}\times {\text{Height}}\times \taxt{Base}$

= $\frac{1}{2}\times (123)\times (50)$

= 3075 square meter

After donation of the land the triangle formed is ΔDBE.

In ΔABC,

$tan(ABC)=(\frac{AB}{BC})$

tan(∠ABC) = $\frac{50}{123}$

= 0.4065

∠ABC = $tan^{-1}(0.4065)$

= 22.12°

In ΔEFC,

tanC = $\frac{EF}{CF}$

0.4065 = $\frac{6}{CF}$

CF = $\frac{6}{0.4065}$

CF = 14.76 m

Since DE = AC - (CF + AG)

= 132.8 - (2×14.76)

= 132.8 - 29.52

= 102.48 m

Now in ΔDBE,

sin(∠DEB) = $\frac{BE}{DE}$

sin(22.12) = $\frac{BE}{102.48}$

DB = 102.48×0.3765

= 38.59 m

Similarly, cos(22.12) = $\frac{BE}{DE}$

0.9264 = $\frac{BE}{102.48}$

BE = 102.48×0.9264

= 94.94m

Now area of ΔDBE = $\frac{1}{2}(DB)(BE)$

= $\frac{1}{2}(38.59)(94.94)$

= 1831.87 square meter

Area of remaining triangle with the villager = Area of ΔABC - Area of ΔDBE

= 3075 - 1831.87

= 1243.13 square meter

3 0

3 years ago

PLEASE HELP!<br> What is the y-intercept of the line shown?

USPshnik [31]

Answer:

the answer is y=-1

7 0

3 years ago

Read 2 more answers

How are the properties of reflection used to<br> transform a figure?

Lunna [17]

Answer:When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite (its sign is changed). ... Remember that each point of a reflected image is the same distance from the line of reflection as the corresponding point of the original figure.

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

G(x)= -3x(x-8), find g(-4)

Mashcka [7]

Answer:

g(-4)=144

Step-by-step explanation:

g(-4)=-3*-4)(-4-8)

3*-4=-12

-4-8=-12

-12*-12= 144

3 0

3 years ago