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Sophie [7]
3 years ago
9

What are the coordinates of the y-intercept? Y=3x+2 A.(0,2) B.(2,0)

Mathematics
2 answers:
Schach [20]3 years ago
8 0
The correct answer is A
oee [108]3 years ago
7 0

Answer: ( 0 , 2 )

Step-by-step explanation:

Given :

y = 3x + 2

y - intercept is the point at which the value of x = 0

substituting x = 0 into the equation , we have

y = 3(0) + 2

y = 0 + 2

y = 2

this means that , when x = 0 , y = 2

so the coordinates of the y - intercepts = ( 0 , 2 )

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A rectangle has a width of 2xy3 and a length of 4x5y6. What is the area of the rectangle?
astraxan [27]

Answer:

6x²5y²6 cm²

Step-by-step explanation:

(2xy3) x (4x5y6)

(2x) x (4x) = 6x²

(y) x (5y) =5y²

6x²5y²6 cm²

7 0
2 years ago
In a lab, a scientist is growing bacteria for a study. The scientist begins with a bacteria
Diano4ka-milaya [45]

Answer:

The answer is below

Step-by-step explanation:

The growth of the bacteria is in the form of an exponential growth. It is given by the formula:

P(t)=ae^{rt}\\\\where\ t\ is\  the\ number\ of \ hours, P(t)\ is\ the \ population\ at\ t\ hours\\\and\ a=population\ at\ start

At 2 hours, the population is 62 cells, hence:

P(2)=ae^{2r}\\\\62=ae^{2r}\ \ .\ \ .\ \ .\ (1)

After another 2 hours (4 hours), the population is 1 million:

P(4)=ae^{4r}\\\\1000000=ae^{4r}\ \ .\ \ .\ \ .\ (2)\\\\Divide \ equation\ 2\ by\ equation\ 1:\\\\\frac{1000000}{62}=\frac{ae^{4r}}{ae^{2r}} \\\\16129=e^{2r}\\\\ln(e^{2r})=ln(16129)\\\\2r=9.688\\\\r=4.844

Put r = 4.844 in equation 1

62=ae^{2*4.844}\\\\62=16129a\\\\a=0.003844

P(t)=0.003844e^{4.844t}\\\\at \ start,t=0\\\\P(0)=0.003844

4 0
3 years ago
PLEASE HELP!!!! 20 POINTS!!!
ANEK [815]
9 and then 4 for every 9 goldfish, there are 4 gallons of water
5 0
3 years ago
Help me with this question lol
romanna [79]
Hope this helps.
Mark as brainliest

5 0
3 years ago
What is the measure of angle 7?
Firdavs [7]

Answer:

The measure of angle 7 is 155*.

Step-by-step explanation:

4 0
3 years ago
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