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saw5 [17]
3 years ago
9

What is the slope of the line that passes through (3,-7) and (-1,1)

Mathematics
1 answer:
Anna [14]3 years ago
5 0

Answer:

-2

Step-by-step explanation:

slope formula is (y2-y1)/(x2-x1)

1 - -7 / -1 - 3

8 / -4

-2

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Calcula la longitud en YARDAS de
tatiyna

Answer:

Las longitudes solicitadas en yardas son:

  • <u>Trayecto A = 109.361 yardas.</u>
  • <u>Trayecto B = 20.231785 yardas.</u>

Step-by-step explanation:

Para hacer la conversión de unidades que requieres en el ejercicio, debes saber que:

  • 1 metro = 1.09361 yardas

Con ese factor de conversión tú puedes hacer reglas de tres para calcular las medidas que requieres. En el caso del trayecto A:

Si:

  • 1 metro = 1.09361 yardas
  • 100 metros = X

Entonces:

  • x=\frac{100m *1.09361yardas}{1m}

Cancelamos metros y obtenemos:

  • x = 100 * 1.09361 yardas
  • <u>x = 109.361 yardas</u>

En este caso, <u>el trayecto A en yardas corresponde a 109.361 yardas</u>. El mismo procedimiento puede aplicarse para el trayecto B:

Si:

  • 1 metro = 1.09361 yardas
  • 18.50 metros = X

Entonces:

  • x = \frac{18.50m*1.09361yardas}{1m}

Cuando se cancelan los metros se obtiene:

  • x = 18.50 * 1.09361 yardas
  • <u>x = 20.231785 yardas</u>

Así, <u>el trayecto B en yardas corresponde a 20.231785 yardas</u>.

4 0
3 years ago
Joey has 30 model airplanes to paint. He has painted 18 models so far.
mixas84 [53]

Answer:

The answer is D, 60%.

Step-by-step explanation: How I did it is 100/30 then times that answer by 18.

8 0
3 years ago
Read 2 more answers
Help asap!! slove for x, (4x+5) + (2x -7) =40
svlad2 [7]
X = 7


You’re welcome
5 0
3 years ago
Mr. Pham wrote the equations below on the board 18 minus 7X equals -20.5 what is the value of X
dimaraw [331]

Answer:

5.5

Step-by-step explanation

18-7x= -20.5

-7x=-20.5-18

7x=38.5

x=38.5/7=5.5                                                                                                                                                                                                                                                                                                                                          

3 0
4 years ago
Read 2 more answers
Find the range of the data set 37 40 33 45 32 34
Lelechka [254]

Answer: 13

Step-by-step explanation: The range of a group of numbers is the difference between the largest and smallest numbers. First, we can order these numbers from least to greatest.

32 - 33 - 34 - 37 - 40 - 45

Next, we can subtract the smallest number from our largest number.

<u>Smallest number = 32</u>

<u>Largest number = 45</u>

45 - 32 = 13

Therefore, the range of these numbers is 13.

3 0
4 years ago
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