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3 years ago

11. The price of a new

Mathematics

1 answer:

Studentka2010 [4]3 years ago

6 0

Answer:

ur name hshwvwhvwhwvqhqvavajavavnakqkqnqjq he wjwbajnsjsnsj and

ajjnwjnwjwnwnabbanans and s abs bansnwnwbba

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In the diagram shown, AE 1/3AC and ED ll CB. Explain why df must be one-fourth length of CD

Blizzard [7]

The value of the length DF is 1/4 of that of CD because of the Angle Bisector Theorem for triangles.

<h3>What is the Angle Bisector Theorem?</h3>

The Angel Bisector Theorem states that if a ray bisects an angle of a triangle, it dissects the side of the triangle that is opposite to the dissected angle into parts that are proportionate to the adjacent sides.

Note that the angle that has been dissected here is ∠CBD. Thus,

$\frac{DF}{CF}$ = $\frac{BD}{BC}$

See the link below for more about Angle Bisector Theorem of the Triangle:

brainly.com/question/21475560

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2 years ago

(-1,2) (1,8) Find the slope

mars1129 [50]

Slope: (y2-y1)/(x2-x1)
(8-2)/(1+1) = 6/2 = 3
The slope is 3

8 0

3 years ago

Does anybody no what is 19+9 is?

Licemer1 [7]

28

step by step
19+9=28

5 0

3 years ago

Read 2 more answers

Parents ordered pizzas to serve at the Carnival. Each pizza was cut into 8 slices. How many pizzas had to be ordered so that 1,3

yarga [219]

Answer:

165

Step-by-step explanation:

Because you can't order 7/8 of a pizza you would have to order 165 pizzas so that every body gets one slice. Hope this helped!

4 0

3 years ago

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Four boys weighed themselves in different pairs and alone. The weights of the pairs were 110 kg, 112 kg, 113 kg, 118 kg, 121 kg,

brilliants [131]

The lost pair of weight can be found by subtracting the a known pair from

the total weight leaving the value of the lost pair.

The lost weight of a pair of boys is 120 kg

Reasons:

Let a, b, c, and d represent the weights of the four boys, we have;

The number of ways of selecting pairs (two boys) of boys from a group of

four is given using combination formula as follows;

$_nC_r = \dfrac{n!}{r! \cdot (n - r)!}$

Which gives;

$_4C_2 = \dfrac{4!}{2! \cdot (4 - 2)!} = 6$

₄C₂ = 6

Therefore, the weights of the pairs are;

a + b = 110

a + c = 112

a + d = 113

b + c = 118

b + d = 121

c + d = Lost weight

c + d = Lost weight

a + b + c + d = 230 (given)

Therefore;

The lost weight, c + d = 230 - (a + b)

Which gives;

c + d = 230 - (110) = 120

The lost weight = c + d = 120

The lost weight = 120 kg

Learn more here:

brainly.com/question/12974932

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3 years ago

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