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777dan777 [17]
3 years ago
15

Given the equation,D=m/v if D=6/7 and =m+3 then m=. A.18 B.-18 C.15

Mathematics
1 answer:
Marysya12 [62]3 years ago
8 0

Answer:

m = 3.86

Step-by-step explanation:

D = 6 / 7

D = m + 3

6 / 7 = m + 3

6 / 7 + 3 = m

m = 3.86

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Answer:

Step-by-step explanation:

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3 years ago
¿En cuál de los siguientes intervalos están solo los números reales que pertenecen a ] –3 , 5 ] y no pertenecen a [ –1 , 7 [?
vitfil [10]

Complete question:

¿En cuál de los siguientes intervalos están solo los números reales que pertenecen a  ]- 3,5 ]   y no pertenecen a  [ –1 , 7 [  ?

A)  ]-3, -1[  

B)   ]- 3, -1 ]

C)  [-1,5]

D)  ]- 3,7[

E)  [5,7[

Answer:

A)  ]-3, -1[

Step-by-step explanation:

El intervalo ]- 3,5 ] incluye a todos los números que se encuentran entre -3 y 5. Es decir,

...-6  -5  -4  -3  -2  -1  0  1  2  3  4  5  6...

El intervalo  [–1 , 7[ excluye a los números que se encuentran entre -1 y 7, pero incluye a todos los números que sean menores a -1 y a todos los mayores a 7. Es decir,

...-7  -6  -5  -4  -3  -2  -1  0  1  2  3  4  5  6  7  8  9  10  11  12  13...

Para responder el problema, debemos encontrar aquellos números reales que se<u> </u><u>incluyan</u> dentro de <u>ambos intervalos</u>. Esto es,

            ]- 3,5 ] ...-6  -5  -4 <u> </u><u>-3  -2  -1</u>  0  1  2  3  4  5  6  7  8  9  10...

]- ∞ , -1[ ∪ [7,∞[...-6  -5  -4  <u>-3  -2  -1</u>  0  1  2  3  4  5  6  7 8  9  10...

Es decir que el intervalo  ]-3, -1[, corresponde a la intersección entre ambos conjuntos.

8 0
2 years ago
Which graph represents the given inequality 3x-5y -5
Tanzania [10]
The inequality 3x-5y ≥ 5 when plotted in an x-y graph, change the inequality with an equal sign to determine the x-y values. 

3x -5y = 5

x          y
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-1        -8/5
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1          -2/5
2          1/5

Plot these point in the graph and this will represent the inequality, shade the upper portion of the graph including the curve represented by the inequality. 
6 0
3 years ago
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OleMash [197]

Answer: The fourth number line  represents the solutions to –2|x| = –6


Step-by-step explanation:

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We know that the absolute value is the distance between a number and zero.

Therefore, the distance between x and zero is 3

Therefore, x=3 and -3

This solution is represented by the fourth number line .

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aksik [14]
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