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3 years ago

Help me please if you can tell me the answer

Mathematics

2 answers:

irina1246 [14]3 years ago

7 0

Answer: Im pretty sure that its D

Step-by-step explanation:

pls dont be mad if its wrong

Lady_Fox [76]3 years ago

4 0

Answer:

Step-by-step explanation:

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On a map, the distance from Happy Hill Park to Rainbow Valley Park is 4/1/2 inches. The scale is 1/2 inch: 3 miles. What is the

7nadin3 [17]

That would be 39miles.

7 0

3 years ago

QUALITY CONTROL1)Specifications for a part for a DVD player state that the part should weigh between 24.6 and 25.6 ounces. The p

Phantasy [73]

Answer:

Step-by-step explanation:

Given that,

μ = 25.1

σ = 0.26

a) since standard deviation is ideal measure of dispersion , a combination of control chart for mean x and standard deviation known as

$\bar x \\\text {and}\\\mu$

Chart is more appropriate than $\bar x$ and R - chart for controlling process average and variability

so we use

$\bar x \\\text {and}\\\mu$ charts

n = 11

we have use 2 σ confidence

so, control unit for $\bar x$ chart are

upper control limit = $\mu +2\times\frac{ \sigma}{\sqrt{n} }$

lower control limit = $\mu -2\times\frac{ \sigma}{\sqrt{n} }$

control limit = μ

μ = 25.1

upper control limit =

$25.1+2\times \frac{0.26}{\sqrt{11} } \\\\=25.2567$

lower control limit =

$25.1-2\times \frac{0.26}{\sqrt{11} } \\\\=24.9432$

Upper control limit and lower control limit are in between the specification limits , that is in between 24.9 and 25.6

so, process is in control

c) if we use 3 sigma limit with n = 11

then

upper control limit = $\mu +3\times\frac{ \sigma}{\sqrt{n} }$

$25.1+3\times\frac{0.26}{\sqrt{11} } \\\\=25.3351$

lower control limit = $\mu -2\times\frac{ \sigma}{\sqrt{n} }$

$25.1-3\times\frac{0.26}{\sqrt{11} } \\\\=24.8648$

control limit is 25.1

Then, process is in control since upper control limit and lower control limit lies between specification limit

So, process is in control

7 0

3 years ago

PLZ HURRY WILL GIVE BRAINLIEST IF CORRECT

prisoha [69]

Answer:19/20

Step-by-step explanation:

1/5 = 4/20

3/4 = 15/20

15/20 + 4/20 = 19/20

4 0

3 years ago

Read 2 more answers

Help? high school pre cal

o-na [289]

Answer:

B. 2, -0.5

Step-by-step explanation:

Given the equation

$-2x^2+2=-3x$

Rewrite it as

$-2x^2+3x+2=0$

Graph the graph of the quadratic function $y=-2x^2+3x+2$

The grapg of this function is a parabola going downwards.

This parabola intersects the x-axis at points x = -0.5 and x = 2, so the solutions of the equation are x = -0.5 and x = 2

3 0

3 years ago

Help pls me i need help with math

Ymorist [56]

Answer:

11 yd

Step-by-step explanation:

16-5=11 yd

6 0

2 years ago

Read 2 more answers

Help me please if you can tell me the answer​

Help me please if you can tell me the answer