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stira [4]
3 years ago
11

PLEASE HELP ME WITH THIS PROBLEMS 2.

Mathematics
1 answer:
likoan [24]3 years ago
6 0

Answer: y = 8ˣ

<u>Step-by-step explanation:</u>

y = bˣ  substitute the coordinate (1, 8) for x and y and solve for b:

8 = b¹  ⇒ 8 = b

**********************************************************************************

Answer: P = 10e^{.22t}, 1964

<u>Step-by-step explanation:</u>

P = P_{0}e^{kt}

   = 10e^{.22t}

   = 10e^{.22(24)}

   = 1964

********************************************************************************

Answer: 10,147.47 ; 29,881.05

<u>Step-by-step explanation:</u>

A = Pe^{rt}

   = 9000e^{.06(2)}

   = 10,147.47

A = Pe^{rt}

   = 9000e^{.06(20)}

   = 29,881.05





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!!!!!!!!!!!!~~math is hard i could use some help i also raised the points and will mark brainliest uwu ~~!!!!!!!!!!!!!!
elena-s [515]

I think (jk) (x) means j times k

(jk) (x) = -7x(9 - 2x) //Using Distributive Property.

(jk) (x) = -63x + 14x^2 = 14x^2 - 63

//Hope it helps.

7 0
2 years ago
What are the solutions of the quadratic equation 49x^2=9?
Flauer [41]
<span>Simplifying 49x^2 + -9 = 0
Reorder the terms: -9 + 49x^2 = 0
Solving -9 + 49x^2 = 0 Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '9' to each side of the equation. -9 + 9 + 49x^2 = 0 + 9
Combine like terms: -9 + 9 = 0 0 + 49x^2 = 0 + 9 49x^2 = 0 + 9
Combine like terms: 0 + 9 = 9 49x^2 = 9
Divide each side by '49'. x^2 = 0.1836734694
Simplifying x^2 = 0.1836734694
Take the square root of each side: x = {-0.428571429, 0.428571429}

hope this helps!!</span>
5 0
3 years ago
At Kirby Middle School, some students were surveyed to see which social media app they used the most. The results are shown belo
Murljashka [212]

Answer:

44%

Step-by-step explanation:

you add up all the numbers to get the total then divied the single number (eg. 8) by the total. It will then show up as a decimal so in order to get rid of the decimal you multiply by 100. ( eg. 8 ÷50=0.16 → 0.16×100= 16 → 16% )

5 0
2 years ago
The radius of a cylindrical water tank is 5.5 ft, and its height is 13 ft. What is the volume of the tank?
mezya [45]

Answer:

1235 ft³

Step-by-step explanation:

Volume of a Cylinder: 2πr²*h

π = 3.14

r = 5.5 ft

h = 13 ft

Volume = 2(3.14)(5.5)²*13 = 1235.43 ft³

Rounded to nearest whole number

Volume of the Cylindrical Water tank is 1235 ft³

7 0
3 years ago
A can of mixed nuts contains 54 nuts, including 21 pecans.
Luda [366]

Answer:

7/18

Step-by-step explanation:

21 out of 54 = 21/54 = 7/18

5 0
2 years ago
Read 2 more answers
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