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vekshin1
3 years ago
15

Whats the answer to 29-(2c+3)=2(c+3)+c

Mathematics
2 answers:
belka [17]3 years ago
6 0

Answer:

29-(2c+3)=2(c+3)+c=

We move all terms to the left:

29-(2c+3)-(2(c+3)+c)=0

We get rid of parentheses

-2c-(2(c+3)+c)-3+29=0

Step-by-step explanation:

olganol [36]3 years ago
3 0

Answer:

Solution for 29-(2c+3)=2(c+3)+c equation:

Simplifying

29 + -1(2c + 3) = 2(c + 3) + c

Reorder the terms:

29 + -1(3 + 2c) = 2(c + 3) + c

29 + (3 * -1 + 2c * -1) = 2(c + 3) + c

29 + (-3 + -2c) = 2(c + 3) + c

Combine like terms: 29 + -3 = 26

26 + -2c = 2(c + 3) + c

Reorder the terms:

26 + -2c = 2(3 + c) + c

26 + -2c = (3 * 2 + c * 2) + c

26 + -2c = (6 + 2c) + c

Combine like terms: 2c + c = 3c

26 + -2c = 6 + 3c

Solving

26 + -2c = 6 + 3c

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-3c' to each side of the equation.

26 + -2c + -3c = 6 + 3c + -3c

Combine like terms: -2c + -3c = -5c

26 + -5c = 6 + 3c + -3c

Combine like terms: 3c + -3c = 0

26 + -5c = 6 + 0

26 + -5c = 6

Add '-26' to each side of the equation.

26 + -26 + -5c = 6 + -26

Combine like terms: 26 + -26 = 0

0 + -5c = 6 + -26

-5c = 6 + -26

Combine like terms: 6 + -26 = -20

-5c = -20

Divide each side by '-5'.

c = 4

Simplifying

c = 4

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Answer:

Option B

Step-by-step explanation:

A unit circle means radius of the circle = 1 unit

Let a terminal point on the circle is (x, y) and angle between the point P and x-axis is θ.

Center of the circle is origin (0, 0).

Therefore, ordered pair representing the terminal point will be (OP×Cosθ, OP×Sinθ) = (\frac{\sqrt{2} }{2},-\frac{\sqrt{2} }{2})

OP.Cosθ = 1×Cosθ = \frac{1}{\sqrt{2}}

Cosθ = \frac{1}{\sqrt{2}}

θ = \frac{\pi }{4}+2\pi n,  \frac{7\pi }{4}+2\pi n where n = integers

Similarly, OP×Sinθ = 1×Sinθ = -\frac{1}{\sqrt{2}}

Sinθ = -\frac{1}{\sqrt{2} }

θ = \frac{5\pi }{4}+2\pi n,  \frac{7\pi }{4}+2\pi n where n = integer

Common value of θ will be, θ = \frac{7\pi }{4}

Option B will be the answer.

5 0
3 years ago
Given the function f(x) = –5|x + 1| + 3, for what values of x is f(x) = –12?
Alexus [3.1K]
The answer to your question is negative 52. hope i helped.
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Graph the solution of 2 ≥ 4 - v
Lerok [7]
For this case we have the following inequality:
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 The first thing we must do in this case is to clear the value of v.
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3 years ago
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An article describes an experiment to determine the effectiveness of mushroom compost in removing petroleum contaminants from so
alexgriva [62]

Solution :

Let p_1 and p_2  represents the proportions of the seeds which germinate among the seeds planted in the soil containing 3\% and 5\% mushroom compost by weight respectively.

To test the null hypothesis H_0: p_1=p_2 against the alternate hypothesis  H_1:p_1 \neq p_2 .

Let \hat p_1, \hat p_2 denotes the respective sample proportions and the n_1, n_2 represents the sample size respectively.

$\hat p_1 = \frac{74}{155} = 0.477419

n_1=155

$p_2=\frac{86}{155}=0.554839

n_2=155

The test statistic can be written as :

$z=\frac{(\hat p_1 - \hat p_2)}{\sqrt{\frac{\hat p_1 \times (1-\hat p_1)}{n_1}} + \frac{\hat p_2 \times (1-\hat p_2)}{n_2}}}

which under H_0  follows the standard normal distribution.

We reject H_0 at 0.05 level of significance, if the P-value or if |z_{obs}|>Z_{0.025}

Now, the value of the test statistics = -1.368928

The critical value = \pm 1.959964

P-value = $P(|z|> z_{obs})= 2 \times P(z< -1.367928)$

                                     $=2 \times 0.085667$

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Since the p-value > 0.05 and $|z_{obs}| \ngtr z_{critical} = 1.959964$, so we fail to reject H_0 at 0.05 level of significance.

Hence we conclude that the two population proportion are not significantly different.

Conclusion :

There is not sufficient evidence to conclude that the \text{proportion} of the seeds that \text{germinate differs} with the percent of the \text{mushroom compost} in the soil.

8 0
3 years ago
6, 1, -4, -9,...
kykrilka [37]
Texaschic nailed it when saying that it's arithmetic

The recursive way to write this is to say

a_1 = 6
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which tells us "start at 6 and each time subtract off 5"

The a_n portion is the nth term while a_{n-1} is the term just before the nth term
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3 years ago
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