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3 years ago

Which graph shows the solution to the following inequality. -5c+2<27

Mathematics

2 answers:

dlinn [17]3 years ago

5 0

Answer:

c > -5

Step-by-step explanation:

-5c+2<27

-5c < 25

Switch sides

-25 < 5c

-5 < c

c > -5

nordsb [41]3 years ago

3 0

Step-by-step explanation:

Step 1: Subtract 2 from both sides

$-5c + 2 - 2 < 27 -2$

$-5x < 25$

Step 2: Divide both sides by -5

$-5x / -5 < 25 / -5$

$x > -5$

Answer: $x > -5$

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Rewrite the equation in Ax+By=C form use integers for A,B, and C. Y+5=2(x+4)

Contact [7]

Answer:

2x4y=2... hope this helps.

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3 years ago

If x+y=5,x-y=4,find the value of x²-y²

inysia [295]

Answer:

Step-by-step explanation:

→ First find the value of x and y

x + y = 5

x - y = 4

→ Add the equations to cancel out the y's

2x = 9

→ Divide both sides by 2 to find the value of x

x = 4.5

→ Substitute x = 4.5 back into x - y = 4 to find the value of y

4.5 - y = 4

→ Minus 4.5 from both sides to isolate -y

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3 years ago

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3 years ago

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The school orchestra has 25 woodwinds, 20 percussionists, 15 strings and 40 brass instruments.

tankabanditka [31]

Answer: select all what that apply?

Step-by-step explanation:

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3 years ago

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The thickness of a flange on an aircraft component is uniformly distributed between 0.95 and 1.05 millimeters. (a) Determine the

maxonik [38]

Answer:

a) 0.5 = 50% of flanges exceed 1 millimeter.

b) A thickness of 0.96 millimeters is exceeded by 90% of the flanges

Step-by-step explanation:

A distribution is called uniform if each outcome has the same probability of happening.

The uniform distributon has two bounds, a and b, and the probability of finding a value higher than x is given by:

$P(X > x) = \frac{b - x}{b - a}$

The thickness of a flange on an aircraft component is uniformly distributed between 0.95 and 1.05 millimeters.

This means that $a = 0.95, b = 1.05$

(a) Determine the proportion of flanges that exceeds 1.00 millimeters.

$P(X > 1) = \frac{1.05 - 1}{1.05 - 0.95} = \frac{0.05}{0.1} = 0.5$

0.5 = 50% of flanges exceed 1 millimeter.

(b) What thickness is exceeded by 90% of the flanges?

This is x for which:

$P(X > x) = 0.9$

$\frac{1.05 - x}{1.05 - 0.95} = 0.9$

$1.05 - x = 0.9*0.1$

$x = 1.05 - 0.9*0.1$

$x = 0.96$

A thickness of 0.96 millimeters is exceeded by 90% of the flanges

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3 years ago