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Andrew [12]
3 years ago
14

How do you do this ?

Mathematics
1 answer:
zheka24 [161]3 years ago
8 0
You find the variable x or y in one of the lines of the problem and then substitute the value of the variable you first found into the other line of the problem to find the other variable. Then, you plug all of the values you found into either line/equation of the problem to ensure that one side of the equation you pick is equal to what is on the other side of the "=" symbol.
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What is the length of ab and bc ? a= (1,-3) b= (3,-1) C= (5,-3)
ddd [48]

Answer:

the length is (1,3

Step-by-step explanation:

the length is 3,1

5 0
2 years ago
What’s the answer??? (SOMEONE PLEASE HELP)
iragen [17]

Answer:

(-4, 3] U (3, 8]

Step-by-step explanation:

The first lines range is (-4,3]    

(the round bracket is because the -4 not included ( clear circle) and the square on because the 3 is included in the range ( the filled circle))

second line  - range is (3, 8]

So its  (-4, 3] U (3, 8]

6 0
3 years ago
Find the product.<br> (7−x)(x−1)=
vaieri [72.5K]

Answer:

-x² + 8x - 7

Step-by-step explanation:

Step 1: Write expression

(7 - x)(x - 1)

Step 2: FOIL (First Outside Inside Last)

7x - 7 - x² + x

Step 3: Combine like terms

-x² + 8x - 7

3 0
3 years ago
Read 2 more answers
In a cookie jar 1/4 of the cookies are chocolate chip and 1/2 of the rest are peanut butter. What fraction of all the cookies is
katovenus [111]

multiply the first fraction by the second one

which is

1/4 times 1/2 equals 1/8



7 0
3 years ago
una palmera de 17 metros de altura se encuentra sujeta por dos cables de 21m y 25m respectivamente. En la figura se pide calcula
aliya0001 [1]

La distancia AB es de 30.66m.

<h3>Cómo calcular la distancia AB?</h3>

Para calcular la distancia AB debemos realizar el siguiente procedimiento matemático utilizando el teorema de Pitágoras como se muestra a continuación.

  • a² + b² = c²
  • r² + 17² = 21²
  • r² = 21² – 17²
  • r = 12.33m

De acuerdo a lo anterior, podemos establecer que la base del triángulo de la izquierda mide 12.33m. Ahora debemos calcular la distancia de la base del triángulo de la derecha.

  • a² + b² = c²
  • s² + 17² = 25²
  • s² = 25² – 17²
  • s = 18.33m

De acuerdo a lo anterior, la base del triángulo de la derecha es de 18.33m. Ahora para saber la base total del triángulo que forman ambos cables debemos sumar los valores de la base de los triángulos.

  • 12.33m + 18.33m = 30.66m

Aprenda más sobre sumas en: brainly.com/question/24673650

8 0
1 year ago
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