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Eva8 [605]
3 years ago
9

Solve the inequality -5x > 35

Mathematics
2 answers:
galina1969 [7]3 years ago
5 0
-5x > 35
-x > 7
(Divide it by 5)
Licemer1 [7]3 years ago
5 0

Answer:

x is greater than or equal to -8

Step-by-step explanation:

35/-5 is 7 and since the sign is greater than that means that -5x will be greater than 35

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7x + 4 = 46 two step equation
Maslowich
Subtract the 4
7x=42
Then divide by 7
X=6
6 0
2 years ago
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Giúp tớ giải bài toán này với
vampirchik [111]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Which ordered pair is the best estimate for the solution of the system of equations? y=−2.5x+6.5
-Dominant- [34]
Answer:
(11/7 , 18/7)

Explanation:
The second given equation is:
y = x + 1 ............> I
The first given equation is:
y = -2.5 x + 6.5 ..............> II

Substitute with I in II and solve for x as follows:
y = -2.5 x + 6.5
x + 1 = -2.5 x + 6.5
x + 2.5 x = 6.5 - 1
3.5 x = 5.5
x = 11/7

Now, substitute with x in equation I to get y as follows:
y = x + 1
y = 11/7 + 1
y = 18/7

Hope this helps :)



4 0
4 years ago
Urgent please help with finding rate of change
boyakko [2]

When working with functions (of all types), the average rate of change is expressed using function notation:

\dfrac{f(b)-f(a)}{b-a}.

For the interval from x=7 to x=8,

1. find f(7) and f(8):

  • f(7)=729\cdot 3=2187;
  • f(8)=2187\cdot 3=6561;

2. use given formula:

\dfrac{f(8)-f(7)}{8-7}=\dfrac{6561-2187}{8-7}=4374.

Answer: the average rate of change for the interval from x=7 to x=8 is 4374.

5 0
3 years ago
In the diagram, BC ≅ EF and ∠A and ∠D are right angles.
babunello [35]

Answer:

a)8

Step-by-step explanation:

4x+2=34,x=8

ED=AB=34

EF=BC(given)

angle A=angle D(given)

therefore when x=8, Tri BCA congruent Tri EFD (reason:HL)

7 0
3 years ago
Read 2 more answers
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