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Tatiana [17]
3 years ago
12

Solve for a.

Mathematics
1 answer:
egoroff_w [7]3 years ago
3 0

Answer: a=\sqrt{\frac{30}{23} }

Step-by-step explanation:

23a^2=30

Divide by 23

a^2=\frac{30}{23}

Extract the square root.

a=\sqrt{\frac{30}{23} }

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Plz help will be marked BRAINLIEST!!<br><br><br> Yed
Natasha2012 [34]

X=−13

Distribute

Subtract

simplify

divide both sides

then simplify again to arrive at your answer.

8 0
3 years ago
Read 2 more answers
A researcher at the Centers for Disease Control and Prevention is studying the growth of a certain bacteria. He starts his exper
steposvetlana [31]

The population of the bacteria after 8 hours is 1639 bacteria.

An exponential function is given by:

y = abˣ

where y, x are variables, a is the initial value of y and b is the multiplier.

Let y represent the population of bacteria after x hours.

Given that he starts his experiment with 500 bacteria, hence

a = 500

The bacteria grow at a rate of 16% per hour, hence:

b = 100% + 16% = 1.16

The exponential equation becomes:

y = 500(1.16)ˣ

After 8 hours:

y = 500(1.16)⁸ = 1639

The population of the bacteria after 8 hours is 1639 bacteria.

Find out more at: brainly.com/question/12490064

3 0
2 years ago
An exponential function f(x) = ab^xpasses through the points (0, 2) and (3, 54). What are the values of a and
Vsevolod [243]

Answers:

a = 2

b = 3

=======================================================

Explanation:

Plug in x = 0 and y = 2 to find that

y = a*b^x

2 = a*b^0

2 = a*1

2 = a

a = 2

Then plug in x = 3 and y = 54 to determine the value of b

y = a*b^x

y = 2*b^x

54 = 2*b^3

2b^3 = 54

b^3 = 54/2

b^3 = 27

b = (27)^(1/3)

b = 3

So we have y = a*b^x update to y = 2*3^x

7 0
3 years ago
Which expression is equivalent to -16 - 7?
alexandr1967 [171]

Answer:

- 16 + ( - 7 )

Step-by-step explanation:

- 16 + ( - 7 ) is same as - 16 - 7.

3 0
3 years ago
There are 125 members in the school
Igoryamba

Answer:

125x + 5,000 > 25,000

5 0
3 years ago
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