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Travka [436]
3 years ago
11

What is -6x+4x simplified

Mathematics
2 answers:
Cerrena [4.2K]3 years ago
8 0

the answer is -2x basically your just adding and subtracting terms

Sveta_85 [38]3 years ago
3 0

It is -2x because -6 + 4 =-2

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Mr. Ledger buys a box of 24 donuts for a lesson in his math class about circumference. Write an equation for the number of donut
creativ13 [48]
<span>An equation for the number of donuts y that are left at the end of the day when x donuts are being used during the day is y=24-x. You would subtract x, the number of donuts being used from 24, the total amount of donuts. To get your y.</span>
7 0
4 years ago
During the exponential phase, E. coli bacteria in a culture increase in number at a rate proportional to the current population.
NikAS [45]

Answer:

  197.2 million

Step-by-step explanation:

The appropriate exponential equation for the population is ...

  p(t) = 172.0e^(0.019t)

Then we can compute for t=7.2:

  p(7.2) = 172.0e^(0.019·7.2) ≈ 172.0·1.146599 ≈ 197.2

7.2 minutes from now, the population will be about 197.2 million.

___

For continuous growth (or continuous compounding), the exponential formula is ...

  f(t) = (value at t=0)×e^(rt)

where r is the growth rate in one unit of time, and t is the number of time periods.

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=8%20%286%5Cfrac%7B1%7D%7B4%7D%20%2A%203.2%20-%2018%29" id="TexFormula1" title="8 (6\frac{1}{4}
Anuta_ua [19.1K]
Answer is 16

8 (6 1/4 x 3.2 - 18)

8 ( 6x4+1) = 25/4

8 (25/4 x 3.2 - 18)

8 (25/4 x 3.2) = 80/4 = 20

8 (20 - 18) = 2

8 x 2 = 16
7 0
3 years ago
Find the area of the Shaded region use ,3.14. note that the top of the figure is a semicircle
Tema [17]
The area is 20.5632 cm sq.

Lets break it down:

Triangle- the area of a triangle is bh/2 (base×height÷2). If we plug in the numbers, the base is 4.8 and the height is 4.8. 4.8×4.8= 23.04÷2= 11.52

Semi circle- the area of the semi circle is pi×radius×radius. We have the diameter (4.8) so we would need to divide 4.8 by 2 to get 2.4. 2.4×2.4×3.14= 18.0864. We need to divide that by 2 because its a semi circle so 18.0864÷2= 9.0432

11.52+9.0432= 20.5632 cm sq.

hope this helps!
6 0
3 years ago
Read 2 more answers
What's the distance between the points (-7, 7) and (-2, -5)​
Alex787 [66]

Answer: 13

Step-by-step explanation:

The distance (d) between two points (x1,y1) and (x2,y2) is given by the formula:

= √ ((X2-X1)2+(Y2-Y1)2)

d = √(-2--7)2+(-5-7)2

d = √((-5)2+(-12)2)

d = √(25+144)

d = √169

d= 13

5 0
3 years ago
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