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Radda [10]
3 years ago
11

Can somebody help me with this math question, all you have to do is answer the equation, then it's described, and then it draw i

t out I'll give you 100 points and a Brainliest

Mathematics
2 answers:
Jlenok [28]3 years ago
7 0

Answer:

x=-2

Step-by-step explanation:

add 18 to both sides, simplify, add 6x to both sides, simplify, divide both sides by -12.then simplify again... I hope that helps...

romanna [79]3 years ago
7 0
<h2>Answer:</h2>

- 3(5x + 6) - 3x = 6 - 6x

- 15x - 18 - 3x = 6 - 6x

- 18x - 18 = 6 - 6x

[Transforming the like terms in same side]

- 18x + 6x = 6 + 18

- 12x = 24

x = - 24/12 = - 2.

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What are the circumference and area of a circle with radius 7in. Round to the nearest tenth.
Natalka [10]

Circumference is 40 in and area is 150 in²

Step-by-step explanation:

  • Step 1: Find the circumference of the circle when radius = 7 in

Circumference = 2πr = 2 × 22/7 × 7 = 44 in ≈ 40 in

  • Step 2: Find the area of the circle.

Area = πr² = 22/7 × 7² = 154 in² ≈ 150 in²

4 0
2 years ago
What value of x is in the solution set of 4x – 12 &lt; 16 + 8x?<br> -10<br> -9<br> -8<br> -7
Akimi4 [234]

Answer:

Step-by-step explanation:

4x - 12 ≤ 16 + 8x

4x - 8x ≤ 16 + 12

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<em>x ≥ - 7 or [ - 7, ∞ )</em>

3 0
2 years ago
Assume that women have heights that are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches.
Maurinko [17]

Answer:

Q3 = 65.7825.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 63.6, \sigma = 2.5

Find the value of the quartile Q3. (Hint: Q3 has an area of 0.75 to its left.)

This is the value of X when Z has a pvalue of 0.75. So it is X when Z = 0.675.

Z = \frac{X - \mu}{\sigma}

0.675 = \frac{X - 63.6}{2.5}

X - 63.6 = 0.675*2.5

X = 65.7825

Q3 = 65.7825.

3 0
3 years ago
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lilavasa [31]

Answer:

im just saying this is supposed to help you, this is just flat out cheating, but its d

Step-by-step explanation:

5 0
2 years ago
Dimitri earns $4.50 for each box of fruit picked
Gemiola [76]
A) $90
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