2 years ago

Anyone know the last number

Mathematics

2 answers:

Black_prince [1.1K]2 years ago

5 0

Answer:

Step-by-step explanation:

atroni [7]2 years ago

3 0

Answer:

I think it is 52.

Step-by-step explanation:

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Dovator [93]

Answer:

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2 years ago

Solve the following system of equations by substitution. Show all steps.

Alinara [238K]

Answer:

Given system of equations:

$\begin{cases}f(x)=-x^2+2x+3\\g(x)=-2x+3\end{cases}$

To solve by substitution, equate the equations and solve for x:

$\begin{aligned}f(x) & = g(x)\\\implies -x^2+2x+3 & = -2x+3\\-x^2+4x & = 0\\x^2-4x & = 0\\x(x-4) & = 0\\\implies x & = 0\\\implies x-4 & = 0 \implies x=4\end{aligned}$

Therefore, the x-values of the solution are $x = 0$ and $x = 4$ .

To find the y-values of the solution, substitute the found values of x into the functions:

$f(0)=-(0)^2+2(0)+3=3$

$g(0)=-2(0)+3=3$

$f(4)=-(4)^2+2(4)+3=-5$

$g(4)=-2(4)+3=-5$

Therefore, the solutions to the given system of equations are:

$(0, 3)$ and $(4, -5)$

4 0

2 years ago

To which of the following sets of numbers does ⅞ belong?

artcher [175]

Answer:

A. Rational number

Step-by-step explanation:

It is not a whole number or integer because it's a fraction. so it's the rational of a whole number.

7 0

2 years ago

XY is formed by X(-9,-7) and Y (-3,5 is line j is the perpendicular bisector of XY

Mkey [24]

-12 because it just is

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2 years ago

(x+1)(5x-2) multiplying binomial

Serjik [45]

Answer:

$5x^23x-1$

Step-by-step explanation:

you use the distributive property to multiply these together

so its x times 5x plus x times -2 plus 1 times 5x plus 1 times -2

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3 years ago