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miv72 [106K]
2 years ago
15

What is the equivalent expression of 20x + 35?​

Mathematics
1 answer:
Serjik [45]2 years ago
6 0
5(4x+7) there you go uwu
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How many 1/10 cubes are in 4 1/2
larisa [96]

Answer:

45 cubes

Step-by-step explanation:

There are 10 cubes in each 1. so 10 x 4 = 40. 1/2 of 10 is 5 so 40+5 = 45.

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3 years ago
Plz help, asap, do not paste link for other website.
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Answer:

D is the answer not a or b or c

Step-by-step explanation:

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David and Li made a secret code so they could remember the pattern what should be the next numbers
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PLEASE HELP !!!!!!!!!!!!!!!!!!!!!!!<br><br>QUESTION ATTACHED
DIA [1.3K]

Angle-5 and angle-7 are 'vertical angles', so they're equal,
and we can write ...
                                           <u>10x- 9  =  9x</u>

Subtract  9x  from each side:  x - 9 = 0

Add  9  to each side:              <u> x     =  9</u>

Now that we know what 'x' is, we can find the size of Angles-5  and -7 .

Angle-7  =  9x  = 81° .

Now look at Angle-6 ... the one that's the answer to the problem.

Angle-6  and -7 together make a straight line, so they must
add up to 180°.

                                     <u>Angle-6  +  81°  =  180°</u>

Subtract 81° from each side:    Angle-6  =  <em>99° .</em>


4 0
3 years ago
Resuelve las siguientes ecuaciones y luego verifica<br> A-)3x +1=7<br> B-)2a-2=1+3a
jarptica [38.1K]

Answer:

A) x=2

B) a=-3

Step-by-step explanation:

La primera ecuación dada es,

A) 3x + 1 = 7

Reste 1 de ambos lados, tenemos

3x +1-1=7-1

\Rightarrow 3x=6

Dividir por 3 (ya que 3 es un número distinto de cero) de ambos lados, tenemos

\frac{3x}{3}=\frac {6}{3}

\Rightarrow x=2

Ahora, compruebe si x = 2 es la solución correcta o no.

El lado izquierdo de la ecuación dada es 3x + 1.

Ponga x = 2, tenemos

3\times2+1=7

Que es igual al lado derecho de la ecuación dada.

Por tanto, x = 2 es la solución correcta.

La segunda ecuación es

B) 2a-2=1+3a

Reste 3a de ambos lados, tenemos

2a-2-3a=1+3a-3a

\Rightarrow -a-2=1

Suma 2 de ambos lados, tenemos

-a-2+2=1+2

\Rightarrow -a=3

Multiplica por -1 (como -1 es un número distinto de cero) de ambos lados, tenemos

-a\times (-1)=3\times(-1)

\Rightarrow a=-3

Ahora, verifique si a = -3 es la solución correcta o no

El lado izquierdo de la ecuación dada es 2a-2.

Ponga a = -3, tenemos

2\times(-3)-2=-8

El lado derecho de la ecuación dada es 1 + 3a.

Ponga a = -3, tenemos

1+3\times(-3)=-8.

Aquí, al poner a = -3, el valor del lado izquierdo es igual al valor del lado derecho.

Por tanto, a = -3 es la solución correcta.

8 0
3 years ago
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