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Lisa [10]
2 years ago
7

2. Given: mZABD = rº and mZACB = yo

Mathematics
1 answer:
Ede4ka [16]2 years ago
3 0

Step-by-step explanation:

the angle ABC = 180 - x, as ABD and ABC are complementary angles on top of the bottom line : all angles around a point on one side of a line are always adding up to 180 degrees.

but because we also know that the sum of all angles in a triangle is 180 degrees too, we can say

180 = ACB + ABC + CAB

180 = y + 180 - x + CAB

0 = y - x + CAB

x = y + CAB

x - y = CAB

therefore, the second answer option is correct.

You might be interested in
A woman is 5 1⁄7 inches taller than her daughter. The woman is 66 1⁄7 inches tall. How tall is her daughter?
Svet_ta [14]
To make the problem easier, I’m going to convert these to improper fractions.
A woman is 36/7 inches taller and she’s 463/7 inches tall. Her daughter is (463/7) - (36/7) inches tall. 463-36 is 427. She is 427/7 inches tall or 61 inches tall.
4 0
3 years ago
What are the next two terms in the sequence 1, 8, 27, 64..., written as coordinate pairs (n,
zhuklara [117]

Answer:

C)(5, 125), (6, 216)

Step-by-step explanation:

Well firstly, there's no actual way to know. There could be anything there, as for any n pairs (x, y) with distinct x-s, there exists a (n-1 or less)-degree polynomial that models them perfectly, and infinitely many polynomials of degree n (or more).

If we input those terms to a polynomial interpolator, we'll get an answer every time.

With this one, it will be the right answer though!

But to be serious, let's find out what the numbers are. We can notice they're all cubic numbers.

There's 1, which is 1^3, then theres 2^3, then it's 3^3, then 4^3.

It's reasonable to expect that we are expected to assume (x, x^3) is the rule.

We can see that the answer C (5, 5^3), (6, 6^3) fits this narrative.

6 0
3 years ago
3. Charles and Jaden share a reward of $63 in a ratio of 2 : 5. How much does Jaden get?
marissa [1.9K]

Answer:

Jaden received: $45

Step-by-step explanation:

$63 : 7 = 9 => $9 * 5 = $45

3 0
3 years ago
7.13 is 12.4% of what number?
Ksivusya [100]
7.13 is 12.4% of 57.5
8 0
4 years ago
Read 2 more answers
Does anyone know some basic geometry lol...I need help
babymother [125]

Answer:

The area of the figure is 86.13

Step-by-step explanation:

First, solve for the area in the triangle using the equation A = h*b/2

We have the height and the base which is 6. Plug in for the equation and solve.

A = 6*6/2

A = 36/2

A = 18

Next, solve the area for the rectangle using the equation A = w*l

The width is 6 and the length is 9. Plug in for the equation and solve.

A = 6*9

A = 54

And finally, solve for the area of the triangle using the equation A = pi*r^2

We know that pi is around 3.14 and the diameter is 6. We know that a diameter is twice the length of the radius, so we can divide the diameter by 2 and get the radius.

r = 6/2

r = 3

Now plug in the equation and solve.

A = 3.14*3^2

A = 3.14*9

A = 28.26

Since this is the area of a full circle, we need to divide the area of it by 2 to get the area of a half circle.

A = 28.26/2

A = 14.13

Next, add them all up and you will get your answer.

18 + 54 + 14.13 = 86.13

Hope this helps.  

7 0
2 years ago
Read 2 more answers
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