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romanna [79]
3 years ago
10

A triangle has an area of 45 square units. Its height is 10 units.

Mathematics
1 answer:
arsen [322]3 years ago
8 0
4 units for base length  

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What does the product of the two circled numbers represent? ​
Stella [2.4K]

Answer:

18

Step-by-step explanation:

<u>Product</u> is another word for multiplication, and 2 * 9 = 18.

Hope this helps! :D

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2 years ago
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Find the value of expression - 17x-19xpwer4 - 21x power 2,when x=3<br><br>​
Marrrta [24]

Answer:

-17x - 19x^4 - 21x^2 = -1779 when x = 3

Step-by-step explanation:

Given

-17x - 19x^4 - 21x^2

x = 3

Required

Solve

Substitute 3 for x in -17x - 19x^4 - 21x^2

-17x - 19x^4 - 21x^2 = -17*3 - 19*3^4 - 21*3^2

Evaluate all exponents

-17x - 19x^4 - 21x^2 = -17*3 - 19*81 - 21*9

-17x - 19x^4 - 21x^2 = -51 - 1539- 189

-17x - 19x^4 - 21x^2 = -1779

7 0
3 years ago
What is the simplified form of the equation 4/5n - 1/5 = 2/5n ?
Whitepunk [10]
To answer the given above, multiply the whole equation with least common multiple of the denominators which is 5n. Shown below, 
 
                                           (4/5n - 1/5 = 2/5n) x 5n

                                                4 - 1(n) = 2

                                                  -n = -2, n = 2

The answer is not among the choices, it could have been letter A except that the constant in A is negative. 


3 0
3 years ago
The circumference of a circle is 9.19cm.
ohaa [14]

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 2.92

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

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7 0
3 years ago
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A dance school has 63 ballet dancers a 42% of the total number of dancers in the score ballet dancers what is the total number o
melamori03 [73]
42% of what is 63

0.42x = 63
x = 63/0.42
x = 150

There are 150 dancers in the school
3 0
3 years ago
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