$MathMaster logo$

MathMaster

Home
general
x x 49 x

Question

X^X =49 X=?

284

likes

1415 views

Answer to a math question X^X =49 X=?

$Expert avatar$

4.5

104 Answers

$x=7$

$\begin{array} { l }x=-7,\\x=7\end{array}$

$\begin{array} { l }x_1=-7,& x_2=7\end{array}$

Frequently asked questions (FAQs)

Question: What is the domain of the function f(x) = √(3x - 5) / (x^2 - 4)?

+

Question: Solve the inequality 3x - 7 > 2x + 4 for x.

+

What is the dot product of vector A (3, -2) and vector B (5, 7)?

+

New questions in Mathematics

If O(3,-2) is reflected across x = 2. What are the coordinates of O

Determine the equations of the recipes that pass through the following pairs of points P1 (2;-1) and p2 (4;-1)

[(36,000,000)(0.000003)^2]divided(0.00000006)

The data set (75, 85, 58, 72, 70, 75) is a random sample from the normal distribution No(µ, σ). Determine a 95% two-sided confidence interval for the mean µ .

prove that if n odd integer then n^2+5 is even

-3(-4x+5)=-6(7x-8)+9-10x

. What will be the osmotic pressure of a solution that was prepared at 91°F by dissolving 534 grams of aluminum hydroxide in enough water to generate 2.784 ml of solution.

Quadratic equation 2X = 15/X + 7

(X+2)(x+3)=4x+18

Determine the Linear function whose graph passes through the points (6, -2) and has slope 3.

A buyer purchased a North Carolina home for $475,250. The seller allowed the buyer to assume his first small mortgage with a loan balance of $110,000. How much is the excise tax paid in the transaction? $951 $729.50 $950.50 $221 none of the above

a) Statistics scores are normally distributed with the mean of 75 and standard deviation of 7. What is the probability that a student scores between 80 and 88

The average undergraduate cost per tuition, fees, room, and board for all institutions last year was $26,025. A random sample of 40 institutions of higher learning this year indicated that the mean tuition, fees, room, and board for the sample was $27,690, and the population standard deviation is $5492. At the 0.05 level of significance, is there sufficient evidence that the cost has increased? (Remember to follow the steps in hypothesis testing)

8/9 divided by 10/6

How many moles are there in 235 grams of potassium thiosulfate pentahydrate? K2S2O3*5(H2O)

A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 55.0 min at 100.0 km/h, 14.0 min at 65.0 km/h, and 45.0 min at 60.0 km/h and spends 20.0 min eating lunch and buying gas. (a) Determine the average speed for the trip.

f(r) = 1/r+9 find f(x^2) + 1