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Natasha_Volkova [10]
3 years ago
8

5. 5x-7=-14 + 8x Solve for x

Mathematics
2 answers:
viktelen [127]3 years ago
5 0

Answer:

x= \frac{7}{3}

Step-by-step explanation:

AleksAgata [21]3 years ago
4 0

Answer:

x = 7

Step-by-step explanation:

get x on one side and numbers on the other side

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Chase simplified the expression –2 ×­ (5 – 3), and found –2 ×­ 2 = 4. Is Chase correct? Why or why not?
ludmilkaskok [199]

Answer:

Incorrect

Step-by-step explanation:

-2x2=-4

5 0
3 years ago
Read 2 more answers
****ASAP*****<br> can someone pls help me with this? and can you describe it please?
Studentka2010 [4]

Add 165 to 245. That is a total of 410kWh.

245kWh is more than 50% of 410kWh.

So, according to the plan, you will pay NightTimer rate for kWh at night and DayTimer rate during the day.

The work done:

(165*0.05281)+(245*0.05456)\\8.71365+13.3674=22.08085

The raw, accurate, answer is that the value to pay is $22.08085.

In real terms, it is closer to your $22.08 option. That is the one I'd take.

5 0
4 years ago
If m = 9, what is the value of the expression 3m - 4?
larisa [96]

Answer: 23

Step-by-step explanation:

3(9) - 4

27 - 4

23

6 0
3 years ago
Read 2 more answers
100 POINTSS!!!! IXL MATH PLEASE HELP
Furkat [3]

Answer:

If I'm not wrong, I think it's 0.5

Step-by-step explanation:

This is because if the false posative rate 23% and there are 2 people, you would find 23% of 2, which gives you 0.46.  Rounded, this is 0.5. So there is  a 0.5% probability that more than 0 valenteers will get false posative results.

6 0
3 years ago
Identify the axis of symmetry, vertex, and y intercept of y=-6x^2+12x-8
Contact [7]

Answer:

See below for answers and explanations (with attached graph)

Step-by-step explanation:

It helps to transform the equation into vertex form by completing the square because it tells us a lot about the characteristics of the parabola:

\displaystyle y=-6x^2+12x-8\\\\y=-6\biggr(x^2-2x+\frac{4}{3}\biggr)\\\\y-6\biggr(-\frac{1}{3}\biggr) =-6\biggr(x^2-2x+\frac{4}{3}-\frac{1}{3}\biggr)\\\\y+2=-6(x^2-2x+1)\\\\y+2=-6(x-1)^2\\\\y=-6(x-1)^2-2

Since vertex form is y=a(x-h)^2+k, we identify the vertex to be (h,k)\rightarrow(1,-2) and the axis of symmetry to be x=h\rightarrow x=1. The y-intercept can be found by setting x=0 and evaluating:

y=-6(x-1)^2-2\\\\y=-6(0-1)^2-2\\\\y=-6(-1)^2-2\\\\y=-6(1)-2\\\\y=-6-2\\\\y=-8

Hence, the y-intercept of the parabola is y=-8, or (0,-8) as an ordered pair.

5 0
2 years ago
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