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ivolga24 [154]
2 years ago
14

Given that 25* = 1, find x.

Mathematics
1 answer:
geniusboy [140]2 years ago
4 0

Answer: 0 or 1/25 (Read explanation)

Step-by-step explanation:

To start off, your question was unclear. If you meant 25 to the power of x equals 1, then x equals zero, since any number to the power of 0 is 1. If you meant 25 times x equals 1, then x is 1/25, since a number times its reciprocal is always 1 (a * 1/a = 1).

Please consider this the Brainliest.

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If f(x) = 3x^2 and g(x) = x+2 find (f•g)(x)
Alex777 [14]

Answer:

(f*g)(x) = 3x^3 + 6x^2

Step-by-step explanation:

Since we are looking for the result of multiplying the equations (f*g), we must multiply the right sides together

(f*g)(x) = (3x^2)(x+2)

To get from here to the solutions, we must multiply the first term by all parts in the second term

3x^2 * x = 3x^3

3x^2 * 2 = 6x^2

from there, just put them back in the equation

(f*g)(x) = 3x^3 + 6x^2

4 0
3 years ago
Read 2 more answers
Jack draw an angle that is 27 out of 36 of a circle.What is the measure of the angle in degrees
34kurt

let's recall that a circle has a total of 360°.

now, Jack drew "27 out of 36", namely 27/36.

what's 27/36 of 360°?  well, is simply their product.


\bf \cfrac{27}{36}\cdot 360\implies 27\cdot \cfrac{360}{36}\implies 27\cdot 10\implies 270

7 0
3 years ago
On Monday your bank account balance was -$12.58. Because you didn't realize this you wrote a $30.72 check. A. What is the new ba
zlopas [31]

<u><em>Explanation</em></u>

On Monday, the bank account balance was -$12.58

A.  As you wrote a $30.72 check, so the new balance in your checking account will be: (-12.58+30.72)dollar =18.14 dollar

B.  The bank charges a $25 fee for paying a check on a negative balance. So, the balance in your checking account after this fee =(18.14-25)dollar= -6.86 dollar

C.   For bringing your account balance back up to $0 after the fee, the money need to deposit =[0-(-6.86)]dollar =6.86 dollar.

8 0
3 years ago
Use the quadratic formula to solve x^2 -3x - 5 = 0. Round to two decimal places.
Evgen [1.6K]

Answer:

\mathrm{The\:solutions\:to\:the\:quadratic\:equation\:are:}

x=\frac{3+\sqrt{29}}{2},\:x=\frac{3-\sqrt{29}}{2}

Step-by-step explanation:

Given the equation

x^2\:-3x\:-\:5\:=\:0

solving with the quadratic formula

\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}

x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

\mathrm{For\:}\quad a=1,\:b=-3,\:c=-5

x_{1,\:2}=\frac{-\left(-3\right)\pm \sqrt{\left(-3\right)^2-4\cdot \:1\cdot \left(-5\right)}}{2\cdot \:1}

x_{1,\:2}=\frac{-\left(-3\right)\pm \sqrt{29}}{2\cdot \:1}

separating the solutions

x_1=\frac{-\left(-3\right)+\sqrt{29}}{2\cdot \:1},\:x_2=\frac{-\left(-3\right)-\sqrt{29}}{2\cdot \:1}

solving

x=\frac{-\left(-3\right)+\sqrt{29}}{2\cdot \:\:1}

  =\frac{3+\sqrt{29}}{2\cdot \:1}

  =\frac{3+\sqrt{29}}{2}

also solving

\:x=\frac{-\left(-3\right)-\sqrt{29}}{2\cdot \:\:1}

  =\frac{3-\sqrt{29}}{2\cdot \:1}

  =\frac{3-\sqrt{29}}{2}

\mathrm{The\:solutions\:to\:the\:quadratic\:equation\:are:}

x=\frac{3+\sqrt{29}}{2},\:x=\frac{3-\sqrt{29}}{2}

7 0
3 years ago
I dont know how to solve these
Ne4ueva [31]

Answer:

137°

Step-by-step explanation:

So, both are equal to each other due to them being the same degree angle.

5x+7=8x-71

subtract 5x on both sides

7=3x-71

add 71 to both sides

77=3x

divide both sides by 3

77/3=x

x equals about 26

insert x into the problems

[5(26)+7]°

this equals 137°

[8(26)-71]°

this equals 137°

7 0
4 years ago
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