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RSB [31]
3 years ago
14

If 3 - 2x = 13, then x = -5.

Mathematics
2 answers:
vlada-n [284]3 years ago
5 0

Answer:

True

Step-by-step explanation:

I did the math

Svetach [21]3 years ago
5 0

Step-by-step explanation:

to prove= Rhs= x=-5

Lhs=3-2x=13

= -2x=13-3

=x=10/-2

x=-5

hence proved

LHS=RHS

hope this helps

please mark as brainliest:)

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[ÑL;<br>´lkCuáles son las cosas que pueden medir en fracciones y cuáles en decimales
Vlada [557]

Answer:

Las cosas que se pueden contar (i.e. Contar y clasificar frutas) así como cosas que se pueden dividir se pueden medir en fracciones (i.e. Cortar un pastel), mientras que las cosas que no se pueden contar, de naturaleza no discreta, así como cosas que no se pueden dividir (i.e. Líquidos, material granulado) se pueden medir en decimales.

Step-by-step explanation:

Las cosas que se pueden contar (i.e. Contar y clasificar frutas) así como cosas que se pueden dividir se pueden medir en fracciones (i.e. Cortar un pastel), mientras que las cosas que no se pueden contar, de naturaleza no discreta, así como cosas que no se pueden dividir (i.e. Líquidos, material granulado) se pueden medir en decimales.

8 0
3 years ago
How do i graph y=-x-21
slava [35]
You would put -21 on bottom right on the x axis and -x on the top left on the y axis
6 0
3 years ago
Read 2 more answers
Which statements about the function are true? Select two
iogann1982 [59]

Answer:

The vertex of the function is at (1,-25)

Step-by-step explanation:

I think your question missed key information, allow me to add in and hope it will fit the orginal one.

<em>Part of the graph of the function f(x) = (x + 4)(x-6) is shown  below. </em>

<em>Which statements about the function are true? Select two </em>

<em>options. </em>

<em>The vertex of the function is at (1,-25). </em>

<em>The vertex of the function is at (1,-24). </em>

<em>The graph is increasing only on the interval -4< x < 6. </em>

<em>The graph is positive only on one interval, where x <-4. </em>

<em>The graph is negative on the entire interval  </em>

My answer:

Given the factored form of the function:

f(x) = (x + 4)(x-6)

<=> f(x) = x^{2} - 2x -24

We will convert to vertex form

<=> f(x) = (x^{2} - 2x +1) - 25

<=> f(x) = (x-1)^{2} -25

=> the vertex of the function is: (1,-25)

We choose: a. The vertex of the function is at (1,-25)

Let analyse other possible answers:

<u>c. The graph is increasing only on the interval -4< x < 6.</u>

Because the parameter a =1 so the graph open up all over its domain and the vertex is the lowest point.

So the graph is increasing in the domain (1, +∞)

=> C is wrong

<u>d. The graph is positive only on one interval, where x <-4</u>

Wrong, The graph is positive only on one interval, where x > 6

<u>e. The graph is negative on the entire interval</u>

Wrong, The graph is negative only on one interval, where -4< x < 6.

7 0
3 years ago
Mark is gluing a ribbon around the sides of a picture frame. The frame is 11 inches long and 7 inches wide. How much ribbon does
zalisa [80]
You are looking for the perimeter, so you need to add 11+11+7+7. That equals 36.
8 0
3 years ago
Read 2 more answers
Simplify 3/4-4x+1/2x-1/2+1/2x
melomori [17]
The simplified answer is 0.25-3x
7 0
3 years ago
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