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11Alexandr11 [23.1K]
3 years ago
11

Find the missing length. The triangles in each pair are similar.

Mathematics
1 answer:
ira [324]3 years ago
7 0
The answer is C 26

22/11 = 2

13*2= 26
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Housing prices in a certain neighborhood average at $113.81 per square foot. If one house in his neighborhood is 2100 square fee
vampirchik [111]
The correct answer is A ($239,000)
If for one square foot it's $113.81, then for 2100 square feet it'll be:
2100 × $113.81 = $ 239,001.
This wasn't an option but the correct answer would be A ($239,000)
5 0
3 years ago
Given that p=9i+12j and q=-6i-8j. Evaluate |p-q|-{|p|-|q|}
krok68 [10]

Answer:

|p-q|-(|p|-|q|) = 20

Step-by-step explanation:

First let's find the value of 'p-q':

p - q = 9i + 12j - (-6i - 8j)\\p - q = 9i + 12j + 6i + 8j\\p - q = 15i + 20j\\

To find |p-q| (module of 'p-q'), we can use the formula:

|ai + bj| = \sqrt{a^{2}+b^{2}}

Where 'a' is the coefficient of 'i' and 'b' is the coefficient of 'j'

So we have:

|p - q| = |15i + 20j| = \sqrt{15^{2}+20^{2}} = 25

Now, we need to find the module of p and the module of q:|p| = |9i + 12j| = \sqrt{9^{2}+12^{2}} = 15

|q| = |-6i - 8j| = \sqrt{(-6)^{2}+(-8)^{2}} = 10

Then, evaluating |p-q|-{|p|-|q|}, we have:

|p-q|-(|p|-|q|) = 25 - (15 - 10) = 25 - 5 = 20

7 0
3 years ago
A frog 3” long can jump a distance of 18”. If a person 5 feet tall had the ability to jump like a frog, how far could he jump?
steposvetlana [31]

Answer:

130 inches

Step-by-step explanation:

7 0
3 years ago
Abby Matthew store manager for Sears does not know how to price a refrigerator that cost $900 Abby knows her boss wants a 40% ma
Mrac [35]

Answer:

The 40% marked up price of refrigerator is  $1260.

Step-by-step explanation:

The cost price of the refrigerator  = $900

Now, the mark up should be 40%

Calculating the markup on the cost price , we get

40 % of $900  =  \frac{40}{100}  \times 900 = 360

or, 40 % mark up = $360

Now, the Marked up cost = Cost Price + Marked up Price

                                          = $900 + $360 = $1260

Hence, the 40% marked up price of refrigerator is $1260.

8 0
3 years ago
How do you simplify a fraction?
attashe74 [19]
You simplify a fraction by finding it's greatest common factor. A greatest common factor is what both numbers are divisible by. If they can both be divided by two, then you've simplified them a little bit. Keep going until you can't find a common number that can be divided by the two, and you've got your simplified fraction. For example, 10/5 = 1/2 since both 10 and 5 is divisible by 5.
5 0
3 years ago
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