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Ipatiy [6.2K]
3 years ago
7

What is 700*23-90/2.........

Mathematics
1 answer:
OverLord2011 [107]3 years ago
4 0
200 x 23 = 16100
16100 - 90 = 16010
16010 / 2 = 8005
8005 is the answer.
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Express (x + 10)^2 as a trinomial in standard form.
nydimaria [60]

Answer:

x2-20x+100

Step-by-step explanation:

You have to factor the expression in order to get your answer

Do this by expanding out the expression: (x-10)(x-10) Then factor by multiplying each of the components! Use the FOIL acronym to help you. FOIL stands for First, Outer, Inner, Last. Meaning multiply the first numbers of the expressions together, then the outers, then the inner two numbers, then the last two numbers of the expression.

Multiply x and x to get  , multiply x and -10 to get -10x, multiply -10 and x to get -10x, multiply -10 and -10 to get 100. Add them all together:  . Then combine like terms

5 0
3 years ago
Find the area of the trapezoid below. <br> 4 cm <br> 3 cm <br> 8 cm
Nastasia [14]

Answer:

18

Step-by-step explanation:

use this formula

A=(a+b )/2 x h

****

A= (4+8)/2 x 3

A=(12)/2 x 3

A= 6 x 3

A= 18

4 0
4 years ago
In the given picture, y/x =4 and z/x =3. Find x.
anygoal [31]

Answer:

Step-by-step explanation:

x=22.5 degrees

3 0
4 years ago
La suma de un número con su mitad es igual a 75. ¿Cuál es ese número? <br><br> Doy corona porfis
Lesechka [4]

Considerando la definición de una ecuación, el número desconocido es 50.

<h3>Definición de ecuación</h3>

Una ecuación es la igualdad existente entre dos expresiones algebraicas conectadas a través del signo de igualdad en la que figuran uno o varios valores desconocidos, llamadas incógnitas, además de ciertos datos conocidos.

Los miembros de una ecuación son cada una de las expresiones que aparecen a ambos lados del signo igual.

<h3>Número desconocido</h3>

En este caso, "La suma de un número con su mitad es igual a 75" puede ser expresado mediante una ecuación, donde consideras que "x" es la incógnita, que representa el número desconocido.

Teniendo en cuenta que la mitad de un número se calcula dividiendo el número por 2, entonces la ecuación queda expresada como:

x + x÷2= 75

O lo que es lo mismo

x + \frac{1}{2}x= 75

Resolviendo:

\frac{3}{2}x= 75

x= 75 ÷\frac{3}{2}

x= 75×\frac{2}{3}

<u><em>x=50</em></u>

Finalmente, el número desconocido es 50.

Aprende más sobre ecuaciones con estos ejemplos:

brainly.com/question/24581345

brainly.com/question/24585838

brainly.com/question/24603998

brainly.com/question/22694378

#SPJ1

4 0
2 years ago
What's 45 out of 58 in percentage?
Vladimir [108]
For \ any \ percentage \ you \ just \ take \ the \ number, \ here \ 45, \\ divide \ by \ the\ number \ here\ 58,\ and \ multiply \ by \ 100 \ \%. \\\\ \frac{45}{58}\cdot 100 \ \%= 0,7758 \cdot 100 \ \%=77,58 \ \% \approx 78 \ \%


5 0
4 years ago
Read 2 more answers
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