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3 years ago

7

Can you write a quadratic equation with the solutions of 0 and 9

1 answer:

KiRa [710]3 years ago

6 0

That is easy, lets get two factors with those solutions:
x(x - 9) = 0
that equation is solved if x = 0 because one factor is zero, and if x = 9 as well for the same reason (try it!), so the equation is:
<span>x(x - 9) = 0
</span>x^2 - 9x = 0

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Does the point (4, 0) satisfy the equation y = x2?

andre [41]

Y=x^2
substitute the values into the original equation
0=4^2
0=16
No it does not satisfy the equation because 0 does not equal to 16

8 0

3 years ago

The sum of two consecutive natural numbers is 525.<br> Find the numbers.

Luda [366]

Answer:

262 and 263 are consecutive natural numbers whose sum is 525.

Step-by-step explanation:

Natural number are a subset of real numbers consisting in positive integers (i.e. 1, 2, 3, 525) and two natural numbers are consecutive when distance between each other is equal to 1. ( $|x-y| = 1$ , $\forall\,x,y \in \mathbb{N}$ ) We can interpret the statement mathematically by means of the following expression:

$x + y = 525$

$x = n$

$y = n+1$

Where $x$ , $y$ , $n$ $\in \mathbb{N}$ .

This system is reduced to a single equation and solved afterwards:

$n +(n+1) = 525$

$2\cdot n + 1 = 525$

$2\cdot n = 524$

$n = 262$

Now we evaluate $x$ and $y$ to obtain the natural numbers:

$x = 262$

$y = 263$

262 and 263 are consecutive natural numbers whose sum is 525.

3 0

4 years ago

alex bought 2 dvd's for $28 each. and a dvd player for $85. He gave the cashier $150.00 how much change should alex heve receive

liraira [26]

The answer is $9

28+28+85=141

150-141=$9

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3 years ago

A designer is creating a rug for an oddly-shaped room. His design for the rug is shown below. If each blue square represents 1 s

likoan [24]

Answer:

btw we cant see the image sorry

Step-by-step explanation:

3 0

3 years ago

Angles BAE and FAC are straight angles. What angle relationship best describes angles BAC and EAF?Adjacent anglesComplementary a

Natalka [10]

The best angle relationship that describes angles BAC and EAF is supplementary angles

The sum of angle on a straight line is supplementary i.e. they sum up to 180 degrees.

If Angles BAE and FAC are straight angles, it means they are linear pairs and their sum is 180 degrees. Mathematically;

m<BAE + m<FAC = 180degrees

Hence we can conclude that the best angle relationship that describes angles BAC and EAF is supplementary angles

Learn more here: brainly.com/question/22309882

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3 years ago