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kherson [118]
3 years ago
11

ABC IS a right angled triangle at B and D is a point on BC. If AD=18cm , BD=9cm and CD = 4 cm, find AC

Mathematics
2 answers:
madam [21]3 years ago
8 0
AC=22.2 because 18^2+13^2=x^2
rodikova [14]3 years ago
5 0
The answer is 20.3 cm

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The area of a rectangle is square units. Factor this expression. Given your answer in part A, describe what you can conclude abo
Brrunno [24]

Answer:

The factored area of the rectangle=2(2w-5)

Area of a rectangle=length×width

Step-by-step explanation:

Area of rectangle is 4w - 10 square units

We have to factor the expression

Area of rectangle = 4w - 10

common factor=2

Area of rectangle = 2(2w - 5)

Thus the given expression is factored

Area of a rectangle=length × width

Area of the rectangle=2×(2w-5)

Thus, it is safe to say

The length=2 or (2w-5)

The width=(2w-5) or 2

3 0
3 years ago
Investors buy a studio apartment for 120000 of this amount they have down payment of 24000 their down payment is what percent of
Yakvenalex [24]

Answer:

1. 20%

2. 40%

Step-by-step explanation:

To find the percent of the total payment that the down payment is we have to you use the following equation:

\frac{part}{whole} * 100 = percent

Lets start plugging things into the equation.

The part is equal to the down payment and the whole is the total cost of the studio apartment.

Let's do this for the first question

\frac{24,000}{120,000} * 100 = 20%

So we see that 24,000 is 20% of the total purchase price!

Let's do this for the next question:

\frac{48,000}{120,000} * 100 = 40

48,000 is 40% of the 120,000 total cost!

<em>Hope this helps!</em>

<em>- Kay</em>

<em />

7 0
3 years ago
If the nth term of an AP is (7-4n) then its common difference is​
Hitman42 [59]

Given nth term of an AP = 7-4n

Put n = 1 then t1 = 7-4(1) = 7-4 = 3

Put n = 2 then t2 =7-4(2) = 7-8 = -1

Common difference = t2-t1 = -1-3 = -4

3 0
2 years ago
Which expression is equivalent to the one below?
Murrr4er [49]

Answer:The answer is 1 over 2/3

Step-by-step explanation:

3 0
2 years ago
Please help!! I will mark brainliest!!
german

Step-by-step explanation:

The total number of people who did the survey is 12. The number of people who read 0-2 books is 2, and the number of people who read 3-5 books is 3. Everything else is over 6. So 2+3 is 5.

Therefore, D 5/12 is the answer

3 0
3 years ago
Read 2 more answers
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