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3 years ago

Find the number of real number solutions for the equation.

Mathematics

2 answers:

daser333 [38]3 years ago

5 0

Determinant = b² - 4ac = (-10)² + 4*1*25 = 100 - 100 = 0

So it has 1 solution.
Answer is D

DerKrebs [107]3 years ago

3 0

Hello here is a solution :
x²-10x+25 = 0
x² -2(x)(5)+5² =0
puy <span>identity : a²-2ab+b² = (a-b)²
(x-5)² = 0
x-5 = 0
the solution is : 5</span>

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There are 740 tickets purchased for a Major League Baseball game. The lower reserved tickets cost $9.50 and the upper reserve co

artcher [175]

375 lower reserved tickets were purchased and 365 upper reserved tickets were purchased

Step-by-step explanation:

Let x be the number lower reserved tickets

and

y be the number of upper reserved tickets

Then according to given statements

$x+y = 740\ \ \ \ Eqn\ 1\\9.50x+8y = 6482.50\ \ \ \ Eqn\ 2$

From equation 1:

$x = 740-y$

Putting in equation 2

$9.5(740-y)+8y = 6482.50\\7030-9.5y+8y = 6482.50\\7030-1.5y = 6482.50$

Subtracting 7030 from both sides

$7030-7030-1.5y = 6482.50-7030\\-1.5y=-547.5$

Dividing both sides by -1.5

$\frac{-1.5y}{-1.5} = \frac{-547.5}{-1.5}\\y = 365$

Putting y = 365 in equation 1

$x+365 = 740\\x = 740 - 365\\x = 375$

Hence,

375 lower reserved tickets were purchased and 365 upper reserved tickets were purchased

Keywords: Linear equations, Variables

Learn more about linear equations at:

#LearnwithBrainly

3 0

3 years ago

How would you solve #2 and #3?

Pani-rosa [81]

Connect the dots to each other

6 0

3 years ago

What is the perimeter of a triangle with sides the following lengths: 3a + 2c,5c + 9 and 5a - 6. Simplify the expression.

Svetach [21]

Answer:

8a+7c-3

Step-by-step explanation:

8 0

3 years ago

Why isnt 40 divisable by 7 ?

stealth61 [152]

Actually, 40 is divisible by 7. Any number is divisible by 7. However, 7 does not go into forty evenly. Your quotient would have a remainder since 7 cannot go into 40 an even number of times.

7 goes into 40 5 times evenly (7x5=35) 40-35 is five, so 40 divided by 7 is 5 (remainder 5)

~theLocoCoco

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3 years ago

What is the maximum value of P = 4x + 2y, given the constraints on x and y listed below? x+2y<_ 10. y<_2. x>_0. y>_0

murzikaleks [220]

The answer is D. 40. I hope this helps!!!!!

4 0

3 years ago

Read 2 more answers