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pantera1 [17]
3 years ago
5

Need this turned in by tonight. Solving for x. My brain is fried, I have been doing math for the last 4 hour.Help!!!!!

Mathematics
1 answer:
inysia [295]3 years ago
3 0

Answer:

  • 18. x = 24.5
  • 19. x = 4
  • 21. x = 10

Step-by-step explanation:

Corresponding sides have same ratio

Q18

  • 7/6 = x / (27- 6)
  • 6x = 7*21
  • x = 147/6
  • x = 24.5

Q19

  • (x + 5)/15 = (5x + 1)/35
  • (x + 5)/3 = (5x + 1)/7
  • 7(x + 5) = 3(5x + 1)
  • 7x + 35 = 15x + 3
  • 15x - 7x = 35 - 3
  • 8x = 32
  • x = 4

Q21

  • (x + 6)/24 = (2x - 2)/27
  • (x + 6)/8 = (2x - 2)/9
  • 8(2x - 2) = 9(x + 6)
  • 16x - 16 = 9x + 54
  • 16x - 9x = 54 + 16
  • 7x = 70
  • x = 10
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A process produces a certain part with a mean diameter of 2 inches and a standard deviation of 0.05 inches. The lower and upper
Nimfa-mama [501]

Answer:

The value of Cp (measure of potential capability) is 6.33.

Step-by-step explanation:

Given information: Process average = 2 inches, process standard deviation = 0.05 inches, lower engineering specification limit = 1.6 inches and upper engineering specification limit =3.5 inches.

The formula for Cp (measure of potential capability) is

CP=\frac{USL-LSL}{6\sigma}

Where, USL is upper specification limit, LSL is specification limit, σ is process standard deviation.

Substitute USL=3.5, LSL=1.6 and σ=0.05 in the above formula.

CP=\frac{3.5-1.6}{6(0.05)}

CP=\frac{1.9}{0.3}

CP=6.3333

CP\approx 6.33

Therefore the value of Cp (measure of potential capability) is 6.33.

7 0
3 years ago
What is the slope of the graph of y = -3x?<br><br> -1/3<br> 1/3<br> -3<br> 3
NISA [10]

Answer:

Slope is -3

General Formulas and Concepts:

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

y = -3x

↓ Compare to y = mx + b

Slope <em>m</em> = -3

y-intercept <em>b</em> = 0

3 0
3 years ago
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carly and rob combined their dvd collections. now they have 42 dvds in all carly had 4 more dvds than rob. how many dvds did car
mrs_skeptik [129]
So r+c=42 c=4+r subsitute c=4+r for r in r+c=42 r+4+r=42 add like terms 2r+4=42 subtract 4 from both sides 2r=38 divide both sides by 2 r=19 rob=19 subsitute r=19 for r in c=4+r c=19+4 carly=23
5 0
3 years ago
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Neil goes to the pet shop and selects a treat for his dog. He chooses one, returns it to the bunch, and the chooses another. Wha
Galina-37 [17]

Answer:

depends on approximately how much there is in the ben

Step-by-step explanation:

6 0
3 years ago
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One of two small restaurants is chosen at random with equally likely probability, and then an employee is chosen at random from
Karo-lina-s [1.5K]

Answer:

P(1 |F) = 10/17

Step-by-step explanation:

Let events

1 = restaurant 1

2 = restaurant 2

F = full-time worker chosen

P = part-time worken chosen

P(1 and F) = 1/2 * 10/16 = 5/16

P(2 and F) = 1/2 * 7/16 = 7/32

P( (1 or 2) and F ) = P(F) = 5/16+7/32 = 17/32

P(1 | F)          Probability of choosing restaurant 1 given a full-time was chosen

= P(1 and F) / P(F)

= 5/16  / (17/32)

= 5/16 * 32/17

= 10 / 17

8 0
4 years ago
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