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Nookie1986 [14]
3 years ago
5

Please Hurry Need Answer -2/5 + 4/5

Mathematics
1 answer:
inessss [21]3 years ago
4 0

Answer:

2/5

Step-by-step explanation:

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The sum of two numbers is 70.<br> One number is 10 more the twice the other number.
GalinKa [24]

Answer:

20 and 50

Step-by-step explanation:

x + y = 70

y = 2x + 10

Use the substitution method:

y = 70 - x

y = 2x + 10

70 - x = 2x + 10

3x = 60

x = 20

x + y = 70

20 + y = 70

y = 50

<u>x = 20</u>

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4 0
3 years ago
Solve four tenths plus four ninths.
GaryK [48]

Answer:

D

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Plot the vertex and the axis of symmetry of this function on the provided graph.
tia_tia [17]

Answer:

(-2,-6)

-2

Step-by-step explanation:

To get the vertex take the number that's in the parathenses with the x and flip it's sign (in this case to a negative) which means we have

-2

 this is the x coordinate of the vertex.

Next take the number that's being subtracted (or added) on the outside and leave that as is (-6)

This is the y coordinate

which means we have (-2,-6)

the axis of symmetry is just the x coordinate of the graph

which is -2

5 0
2 years ago
Help please!!!! I’ll appreciate it so much!
bazaltina [42]

Answer:

13. x = 4

14. x = -16

15. x = 11

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Write an inequality that best matches this description
Citrus2011 [14]

Answer:

x \geq 3(y + z)

Step-by-step explanation:

I am going to say that:

Mary's amount is x.

Ashley's amount is y.

Oscar's amount is z.

Mary has at least 3 times the amount of cash that ashley and oscar have combined

Ashley's and Oscar's combined amount is y + z.

3 times this amount is 3(y + z).

At least 3 times means that z is equal or greater than 3(y + z).

So

x \geq 3(y + z)

5 0
2 years ago
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