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3 years ago

Solve for y -2x + 5y - 6 = -11 HELP ASAPPP

Mathematics

2 answers:

Leona [35]3 years ago

5 0

Answer:

It would be

y=2x/5 - 1

7nadin3 [17]3 years ago

4 0

Answer:

y= 2 /5 x − 1

Step-by-step explanation:

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How to solve these two problems ？

puteri [66]

8) $\theta$ is -0.896 radians

9) length of arc is 41.91 cm

Solution:

Given that,

$tan\ \theta = \frac{-5}{4}$

$\theta$ is in quadrant 4

To find: $\theta$

From given,

$tan\ \theta = \frac{-5}{4}\\\\\theta = tan^{-1} \frac{-5}{4}\\\\\theta = tan^{-1} (-1.25)\\\\\theta = -51.34$

Thus value of $\theta$ is -51.34 degrees

Convert degrees to radians

$-51.34\ degree = -51.34 \times \frac{ \pi }{180}\ radian\\\\-51.34\ degree = -0.896\ radian$

Thus $\theta$ is -0.896 radians

From given,

radius = 15.4 cm

$\theta = \frac{13 \pi }{15}$

The length of arc when angle in radians is:

$arc\ length = r \times \theta\\\\arc\ length = 15.4 \times \frac{ 13 \pi }{15}\\\\arc\ length = 15.4 \times 2.721\\\\arc\ length = 41.91$

Thus length of arc is 41.91 cm

4 0

3 years ago

How do I find the area of a circle when the circumference is 58 pie

aksik [14]

C=2 $\pi$ r
A= $\pi$ r²

C=2 $\pi$ r=58 $\pi$
2r=58
r=29

A= $\pi$ r²
A=29² $\pi$
A=841 $\pi$

8 0

2 years ago

Read 2 more answers

Let n = 4, what is the value of 7 x 6 + n x 2? (A) 50 (B)92 (C)98 (D)140

LenKa [72]

7 x 6 + 4 x 2
42 + 8
50

3 0

2 years ago

Read 2 more answers

Help me please i can’t figure it out

julsineya [31]

can u type out the question because its hard to see sorry

5 0

3 years ago

Please help!!! (5 points)

Fofino [41]

Answer:

0.75

Step-by-step explanation:

3 0

3 years ago