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Nikitich [7]
3 years ago
5

Please Help me i need it !!​

Mathematics
1 answer:
olganol [36]3 years ago
7 0

Answer:

Step-by-step explanation:

1. exponential because as the  values increase by 1, the y values are multiplied by a factor of 1/2.

2. exponential growth because as the time increase by 20 minutes, the cell amount multiplies by 2.

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Evaluate x+3xy - 2y for x= 4 and y
qwelly [4]
Hopefully it’s correct

3 0
2 years ago
Read 2 more answers
30x(x-3) multiply please
krek1111 [17]
You distribute the 30x to the equation in parenthesis

So basically you are doing (30x*x)+(30x*-3)
So you get 30x^2-90x

Hope this helps!
6 0
3 years ago
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Steven has a stamp collection with 32 stamps. Only 1/4 of the stamps are from the United States. How many stamps are from the U.
Natasha_Volkova [10]

Answer:

I believe the answer would be 8 because if you divide 32 by 4 you get eight and that would be 1/4 of 32

Step-by-step explanation:

5 0
3 years ago
In the figure below, BC=7 and AB= 16. Find AC.
Minchanka [31]

The expressions BC and AB are illustrations of straight lines

The length AC is 25 units

<h3>How to determine the length of AC?</h3>

The given parameters are:

BC =7

AB = 16

Assume that AB and BC are straight lines.

Then , we have:

AC =AB + BC

Substitute known values

AC = 16 + 7

Evaluate the sum

AC = 25

Hence, the length AC is 25 units

Read more about lengths at:

brainly.com/question/2005046

7 0
2 years ago
Write a rule to describe the function shown.
I am Lyosha [343]

Answer:

y = -3x  

Step-by-step explanation:

(a) Slope

y = mx + b

Choose points (-3, 9) and (3, -9)

m = (-9 - 9)/(3 – (-3))

m = -18/(3 + 3)

m = -18/6

m = -3

=====

(b) y-intercept

y = mx +b

Choose point (0,0).

0 = 0 + b

b = 0

=====

(c) Equation of line

y = mx + b

y = -3x

6 0
3 years ago
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