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Ilia_Sergeevich [38]

3 years ago

7

6x + 5y =20 solve for y step by step

1 answer:

Marina CMI [18]3 years ago

4 0

Answer:

Move all terms that don't contain y to the right side and solve.y=4−6x/5

Step-by-step explanation:

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Encuentre el radio y el área de círculos cuya circunferencias tienen las siguientes medidas

Vadim26 [7]

Answer:

Los radios de los círculos son $r_{1} \approx 9.995$ , $r_{2} \approx 2.013$ , $r_{3} \approx 7.592$ , respectivamente.

Las áreas de los círculos son $A_{1} \approx 313.845$ , $A_{2} \approx 12.730$ , $A_{3} \approx 181.077$ , respectivamente.

Step-by-step explanation:

La circunferencia ( $s$ ) se calcula mediante la siguiente fórmula:

$s = 2\pi\cdot r$ (1)

Donde $r$ es el radio del círculo.

Una vez hallado el radio, se determina el área de la figura geométrica ( $A$ ) mediante la siguiente fórmula:

$A = \pi\cdot r^{2}$ (2)

Si conocemos que las circunferencias son $s_{1} = 62.8$ , $s_{2} = 12.65$ y $s_{3} = 47.7$ , respectivamente:

1) Radios de los círculos

$r_{1} = \frac{s_{1}}{2\pi}$ , $r_{2} = \frac{s_{2}}{2\pi}$ , $r_{3} = \frac{s_{3}}{2\pi}$

$r_{1} \approx 9.995$ , $r_{2} \approx 2.013$ , $r_{3} \approx 7.592$

2) Áreas de los círculos

$A_{1} = \pi\cdot r_{1}^{2}$ , $A_{2} = \pi\cdot r_{2}^{2}$ , $A_{3} = \pi\cdot r_{3}^{2}$

$A_{1} \approx 313.845$ , $A_{2} \approx 12.730$ , $A_{3} \approx 181.077$

6 0

3 years ago

6. Suppose that a bike rents for $4 plus $1.50 per hour. Write an equation in slope-intercept form that models this situation. y

mars1129 [50]

The equation is y = 1.50x + 4

The answers for the rest is 2=7 4=10 6=13 8=16

6 0

3 years ago

Find the arc length of a partial circle

marusya05 [52]

Answer:

12.5664 units (rounded off to four decimal values)

Step-by-step explanation:

Arc length = 2 × π × r × $\frac{central-angle}{360}$

For our partial circle;

The radius (r) = 8 units

The central angle = 90°

Arc length = 2 × π × 8 × $\frac{90}{360}$ = 12.5663706144 units

Or 12.5664 units (rounded off to four decimal values)

5 0

3 years ago

Read 2 more answers

Parker throws a ball off the top of a building. The building is 350 feet high and the initial velocity of the ball is 30 feet pe

viva [34]

Answer:

5.707

Step-by-step explanation:

5 0

4 years ago

measure the sides of each triangle to the nearest tenth of a centimeter then describe the number of congruent sides PLS HELP THI

Drupady [299]

Answer:

5 has 2 congruent sides

7 has none

Step-by-step explanation:

For a line to be congruent they have to be the same length. so look at your measurements.

5 0

3 years ago