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alukav5142 [94]
3 years ago
11

Help is very much needed!!

Mathematics
1 answer:
aivan3 [116]3 years ago
6 0

Answer:

DE = 24

Step-by-step explanation:

The midsegment DE is half the length of the third side AC , that is

DE = \frac{1}{2} AC = \frac{1}{2} × 48 = 24

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(x+5)(√ 1-x)<br> what is the product of this composite function?
Radda [10]

Answer:

x\sqrt{1-x}+5\sqrt{1-x}

Step-by-step explanation:

(x+5)(\sqrt{1-x} )\\\\=\left(\sqrt{1-x}\right)\left(x+5\right)\\\\\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b+c\right)=ab+ac\\\\a=\left(\sqrt{1-x}\right),\:b=x,\:c=5\\\\=\left(\sqrt{1-x}\right)x+\left(\sqrt{1-x}\right)\times\:5\\\\=x\left(\sqrt{1-x}\right)+5\left(\sqrt{1-x}\right)\\\\\mathrm{Remove\:parentheses}:\quad \left(a\right)=a\\\\=x\sqrt{1-x}+5\sqrt{1-x}

6 0
3 years ago
Find the missing length
bonufazy [111]
Apply the Pyth. Theorem:

c^2 = 3^2 + 7^2, or     c^2 = 9 + 49  =  58.  Thus, c = sqrt(58).
7 0
3 years ago
5.7kg in grams convert
dimaraw [331]

Answer:

5700 grams

Step-by-step explanation:

1 kg = 1000 grams

5.7 kg = 5.7 × 1000

=> 5700 grams

hope it helps!

5 0
3 years ago
14m + 51 - 6s + 75 - 81 + 115 - 95 - 41 + 10p - 3p + 51<br> what is the coefficient of m?
densk [106]

Answer:

14is \: coefficient \: of \: m

4 0
2 years ago
In the school library, 28% of the books are non-fiction. If there are 1.224 fiction books in
denis-greek [22]

Answer:

1700 books

Step-by-step explanation:

We are given;

  • % of non-fiction books in the library as 28%
  • Number of fiction books in the library as 1,224 books

We are required to determine the total number of books.

First we determine the percentage of non-fiction books

We need to know that;

% of fiction books + % of non-fiction books = 100%

Therefore;

% of non-fiction books = 100 % - 28 %

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Second we determine the total number of books

We know that;

Total number of books = 100%

But;

72% = 1,224 books

Therefore;

Total number of books = (1,224 × 100%) ÷ 72%

                                      = 1700 books

Hence, the library has a total number of 1700 books

7 0
3 years ago
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