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kondaur [170]
3 years ago
13

I need help for my homework!!!

Mathematics
2 answers:
Fynjy0 [20]3 years ago
8 0
I believe it’s b. 12, but i could be wrong.
tamaranim1 [39]3 years ago
6 0

Answer:

your right

Step-by-step explanation:

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The graph of an exponential function has a y-intercept of 7 and contains the point (4,112). Construct the exponential function T
blondinia [14]

The exponential function that describes the graph is y=7\cdot 2^x

The standard form of an exponential function is expressed as y=ab^x

a is the y-intercept

(x, y) is the point on the graph

Given the following expression

a = 7

(x, y) = (4, 112)

Substitute the given values into the exponential equation

y = ab^x\\112=7\cdot b^4\\b^4 = \frac{112}{7}\\b^4= 16\\b =\sqrt[4]{16}\\b = 2

Get the required exponential equation

Recall that y=ab^x, hence the required equation will be y=7\cdot 2^x

Learn more here: brainly.com/question/19245707

3 0
2 years ago
In the bag, there are 19 green marbles for every 11 blue marbles. What is the ratio of green marbles to total marbles?​
hammer [34]

Answer:

19;30

Step-by-step explanation:

Adding them together is the total

8 0
2 years ago
100,388,073 Rounded to the nearest million
bogdanovich [222]

Answer: 100,000,000

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Identify the center and radius for the following equation: (x+4)^2+(y-7)^2=4
ArbitrLikvidat [17]

This is the equation for a circle which without numbers looks like (x – h)^2 + (y – k)^2 = r^2

This means that the radius is the square root of what ever number the equation is equal to. Since in this case it is 4 the square root of 4 is 2

The center of the circle is baced off h and k. In order to find where each one of them go, you would do the opposit of the number that is with them. With this equation the opposit of 4 is -4 so it will go -4 in the x direction and the opposit of -7 is 7 so it would go 7 in the y direction

Radius: 2

Center: (-4,7)

4 0
2 years ago
Rachel wants to paint her cupboard. The length of the cupboard is 2.5 meters, its width is 1 meter, and its height is 2 meters.
qwelly [4]

Answer:

10

Step-by-step explanation:

2 times 2.5 times 1. that is how you get your answer

6 0
3 years ago
Read 2 more answers
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