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3 years ago

Que son los numeros?

Mathematics

2 answers:

mylen [45]3 years ago

3 0

Cual numeros? No hay nada

storchak [24]3 years ago

3 0

No puedo responder esto, no hay imagen :(

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PLEASE HELP ME WITH THESE!! i will give brainliest to best answer!!!

dimaraw [331]

Answer:

$1) {11}^{12}$

$2) {13}^{10}$

$3) {14}^{19}$

$4) {2}^{8}$

$5) {7}^{14}$

$6) {3}^{12}$

$7) {17}^{16}$

$8) {5}^{9}$

$9) {16}^{6}$

$10) {18}^{9}$

$11) {9}^{14}$

$12) {8}^{10}$

$13) {12}^{13}$

$14) {17}^{17}$

$15) {5}^{6}$

$16) {3}^{4}$

$17) {19}^{12}$

$18) {20}^{9}$

$19) {4}^{7}$

$20) {6}^{9}$

$21) {10}^{15}$

8 0

3 years ago

In triangle ABC, the size of angle B is 4 times the size of angle A, and the size of angle C is 6°

amid [387]

Answer:

<A = 18.6 Degree

<B =74.4 Degree

<C = 87 Degree

Step-by-step explanation:

Sum of all the angles of triangle is 180

as given ,

<A = ?

<B = 4<A

<C = 5 <A - 6

As per rule ,

<A + <B +<C = 180

<A + 4 <A + 5<A - 6 = 180

10 <A - 6 = 180

10 <A = 180 + 6

<A = 186 / 10

<A = 18.6 Degree

Hence ,

< B = 4 X (18.6)

< B = 74.4 Degree

and

<C = 5 (18.6) - 6

<C = 87 Degree

PROOF

<A + <B + <C = 180

18.6 + 74.4 + 87 = 180

180 = 180

4 0

3 years ago

What’s the domain and range of:<br> log(√(2x-1) + 3 )<br> Please explain how you got it too!!

Radda [10]

Two main facts are needed here:

1. The logarithm $\log x$ , regardless of the base of the logarithm, exists for $x>0$ .

2. The square root $\sqrt x$ exists for $x\ge0$ .

(in both cases we're assuming real-valued functions only)

By (2) we know that $\sqrt{2x-1}$ exists if $2x-1\ge0$ , or $x\ge\dfrac12$ .

By (1), we know that $\log(\sqrt{2x-1}+3)$ exists if $\sqrt{2x-1}+3>0$ , or $\sqrt{2x-1}>-3$ . But as long as the square root exists, it will always be positive, so this condition will always be met.

Ultimately, then, we only require $x\ge\dfrac12$ , so the function has domain $\left[\dfrac12,\infty)$ .

To determine the range, we need to know that, in their respective domains, $\sqrt x$ and $\log x$ increase monotonically without bound. We also know that $x=\dfrac12$ at minimum, at which point the square root term vanishes, so the least value the function takes on is $\log3$ . Then its range would be $[\log3,\infty)$ .