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Komok [63]
3 years ago
10

Pls help! will give brainlist!

Mathematics
1 answer:
Rudiy273 years ago
3 0

Answer:

Yes

Step-by-step explanation:

It will be a right-angle triangle if it satisfies the pythagoras theorem

12.5² = 156.25

10² = 100

7.5² = 56.25

Since 12.5² = 10² + 7.5²,

it is a right-angle triangle with 90° at C (because it's opposite the longest side, the hypotenuse)

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E= tg 150° · cos 330° · cos 60° supra ctg 75° · tg 75°
Paraphin [41]
Solve is in the pic.


Good Luck! :)

4 0
3 years ago
Is negative nine plus n equals n minus one identity or no solution
Leno4ka [110]

Answer:

No solution

Step-by-step explanation:

-9 + n = n - 1

-9 +1      = n -n

-8 = 0

No solution here if the proper rules of equation are correctly applied

4 0
3 years ago
ace bike rentals rents bikes for $28 per day. Renters can keep the bike for 8 hours. Bart's bikes rents bikes for $30 per day. R
lyudmila [28]

Bart company charges a lower rate. It is lower by rate $ 0.5 per hour

<h3><u>Solution:</u></h3>

Given that Ace bike rentals rents bikes for $28 per day. Renters can keep the bike for 8 hours

Also given that Bart's bikes rents bikes for $30 per day. Renters can keep the bike for 10 hours

To find: company that charges lower rate

Let us find the hourly rate of Ace and Bart

\text {hourly rate }=\frac{\text { Rental price }}{\text { total time in a day }}

<em><u>Hourly rate of Ace company:</u></em>

Rental price = $28

total time in a day 8 hours

\text {hourly rate }=\frac{28}{8}=3.5

So the hourly rate of Ace company is $ 3.5 per hour

<em><u>Hourly rate of Bart company:</u></em>

Rental price = $ 30

total time in a day 10 hours

\text {hourly rate }=\frac{30}{10}=3

So the hourly rate of Bart company is $ 3 per hour

<em><u>Comparing hourly rate of both companies</u></em>

Ace company is $ 3.5 per hour

Bart company is $ 3 per hour

Bart company < Ace company

3 < 3.5

Thus bart company charges a lower rate

<h3><em><u>How much lower?</u></em></h3>

hourly rate of Ace company - hourly rate of Bart company = 3.5 - 3 = 0.5

So, it is lower by rate $0.5 per hour

6 0
3 years ago
12a^2b + 15ab^2 factorize
notsponge [240]

Answer:

3ab(4a + 5b)

Step-by-step explanation:

Given

12a²b + 15ab² ← factor out 3ab from each term

= 3ab(4a + 5b)

7 0
3 years ago
Given the function LaTeX: f\left(x\right)=-5x^2-x+20f ( x ) = − 5 x 2 − x + 20, find LaTeX: f\left(2\right)f ( 2 ). Group of ans
BartSMP [9]

The value of f(2) is -2 ⇒ 1st answer

Step-by-step explanation:

The form of the quadratic function is;

f(x) = ax² + bx + c, where

  • a is the coefficient of x²
  • b is the coefficient of x
  • c is the numerical term
  • x is the domain of the function and f(x) is the range of the function

∵ f(x) = -5x² - x + 20

- f(2) means value f(x) at x = 2

∵ x = 2

- Substitute x in the function by 2 to find f(2)

∵ f(2) = -5(2)² - (2) + 20

∴ f(2) = -5(4) - 2 + 20

∴ f(2) = -20 - 2 + 20

∴ f(2) = -2

The value of f(2) is -2

Learn more:

You can learn more about the function in brainly.com/question/12363217

#LearnwithBrainly

6 0
3 years ago
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