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Rasek [7]
3 years ago
11

Complete the pattern. Blank 8,570 , blank, 85.7, 8.57, blank

Mathematics
2 answers:
tekilochka [14]3 years ago
7 0
85700
8570
85.7
8.57
0.857

Each time, you divide by 10 (move the decimal place 1 place value to the left).
Irina-Kira [14]3 years ago
6 0
Just divide each number by 10, simple enough.
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1. Angle BAC = 35° and angle BCA = 20°. What is the measure of angle BAD?
Tema [17]

Check the picture below.

7 0
2 years ago
En un triángulo rectángulo A es un ángulo agudo y Sen A = 4/5 ¿Cuál será el valor de Tan A?
Nonamiya [84]

Answer:

\displaystyle \tan A=\frac{4}{3}

Step-by-step explanation:

<u>Funciones Trigonométricas</u>

La identidad principal en trigonometría es:

sen^2A+cos^2A=1

Si sabemos que A es un ángulo agudo (que mide menos de 90°), su seno y coseno son positivos.

Dado que Sen A = 4/5, calculamos el coseno:

cos^2A=1-sen^2A

Sustituyendo:

\displaystyle cos^2A=1-\left(\frac{4}{5}\right)^2

\displaystyle cos^2A=1-\frac{16}{25}

\displaystyle cos^2A=\frac{25-16}{25}

\displaystyle cos^2A=\frac{9}{25}

Tomando raíz cuadrada:

\displaystyle cos\ A=\sqrt{\frac{9}{25}}=\frac{3}{5}

La tangente se define como:

\displaystyle \tan A=\frac{sen\ A}{cos\ A}

Substituyendo:

\displaystyle \tan A=\frac{\frac{4}{5}}{\frac{3}{5}}

\displaystyle \tan A=\frac{4}{3}

6 0
3 years ago
-5 1/3 converted to an improper fraction
julsineya [31]

Answer:

-16/3

Step-by-step explanation:

as the mixed fraction is -5 1/3

first multiply the denominator with the whole number 3 x -5 = -15

then you add 1 to the whole number without the negative sign = -16

the improper fraction then equal -16/3

                   

7 0
2 years ago
Solve the quadratic equation<br> (x+2)^2=1
bagirrra123 [75]

Answer: x = -1, -3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The piecewise function h(x) is shown on the graph.
Artemon [7]

Step-by-step explanation/Answer:

<u><em>The value for h(3) is 1.</em></u>

<u><em>Coordinate (3,1)</em></u>

The value on h(3) is located in the last part of the piecewise function, which starts at (1,3) until (4,0). To know the exact image of h(3), we can find the function that belongs to that piece of line, and then calculated the asked value.

So, to calculate the equation, we first have to find the slope with its definition, and then we'll use the point-slope formula to find the equation:

<u><em>Therefore, the coordinates is (3,1), that is, the value for h(3) is 1.</em></u>

3 0
3 years ago
Read 2 more answers
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