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maw [93]
3 years ago
8

What is the answer to this?​

Mathematics
1 answer:
ElenaW [278]3 years ago
8 0

Answer:

-3x+4y=0 .

Step-by-step explanation:

the line passed through the point (-3,4) and thoch through the origin(0,0)

the the equation become -3x+4y=0.

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Write an equation, in point-slope form, of the line that passes through the point (4, -3) with a slope -7.
Ilya [14]

Answer:

point-slope form:

y - 10 = -4(x - -2)

y - 10 = -4(x + 2)

---

slope-intercept form:

y - 10 = -4x - 8

y = -4x - 8 + 10

y = -4x + 2

Step-by-step explanation:

6 0
3 years ago
Frank and Maxine are comparing the number of boys and girls in the class. Frank says there are 12 out of a total of 24 students.
Marrrta [24]
Yes because if yuo add 12 more your adding 12 more of students to make 24

7 0
3 years ago
A colony of bacteria is grown under ideal conditions in a laboratory so that the population increases exponentially with time. A
Naddik [55]

Answer:

Initial bacterias = 6006000

Altought I believe is safe to assume that the values were 192,000 and 384,000 instead of 192,192,000 and 384,384,000, in that case the initial bacterias is 6000

Step-by-step explanation:

A exponential growth follows this formula:

Bacterias  = C*rⁿ

C the initial amount

r the growth rate

n the number of time intervals

Bacterias (55 hours) = 192,192,000

Bacterias (66 hours) = 384,384,000

Bacterias(55hours)=C*r^{{\frac{55-t}{t}}} \\Bacterias (66hours) = C*r^{\frac{66-t}{t}}}

If you divide both you can get the growth rate:

\frac{Bacterias (66hours)}{Bacterias(55hours)}=\frac{C*r^{\frac{66-t}{t}}}{C*r^{{\frac{55-t}{t}}}} \\\frac{384,384,000}{192,192,000} =r^{\frac{66-t}{t} -\frac{55-t}{t} } \\2 =r^{\frac{11}{t}}

So with that r = 2 and each time interval correspond to 11 years

Then replacing in one you can get the initial amount of C

Bacterias (55hours)=C*2^{\frac{55-11}{11} } 192,192,000 = C*32\\C= 6006000

7 0
3 years ago
What is the answer? If 45 x 36 +62=72%
Soloha48 [4]
Answer: 1682

(45 x 36) + 62
1620 + 62 = 1682


7 0
3 years ago
4y-28 pls help find y value
mina [271]

Answer:

4y-28 = 0

4y = 28

y=28/4

y = 7

5 0
3 years ago
Read 2 more answers
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