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3 years ago

Find the missing value to the nearest hundredth cos___= 7/18

2 answers:

3 0

Let
cos x=7/18

x=arc cos (7/18)-----> using a calculator-------> x=67.11°-----> x=1.17 radians

the answer is
x=67.11° or x=1.17 radians

ra1l [238]3 years ago

3 0

the answer for X solved would be
x=67.11°

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A driveway 18 ft wide and 36 ft. long is to be paved with concrete 3 in. thick. How many cubic yards of concrete are required?

amm1812

Answer:

6 yds^3

Step-by-step explanation:

I find these easiest if you put all of the dimensions into yards and then multiply

18 ft = 6 yds

36 ft = 12 yds

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2 years ago

Line AB passes through points A (-6,6) and B(12,3). If the equation of the line is written in slope-intercept form, y=mx+b, the.

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Answer:

You wrote the question wrong...

m is not -16 it is -1/6 (that is a big difference)

y=mx+b

y=-1/6x+b

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Step-by-step explanation:

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2 years ago

Find the missing dimension of the cylinder. round your answer to the nearest whole number

Ulleksa [173]

Answer:

11 meters

Step-by-step explanation:

Use the formula:

$V = \pi r^{2} h$

V = 7599, h = 20, π = 3.14

Plugin the numbers and solve for r

$7599=3.14(20)r^{2} \\7599=62.8r^{2} \\7599/62.5=62.8r^{2} /62.8\\121=r^{2} \\\sqrt{121}=\sqrt{r^{2} } \\r=11$

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2 years ago

Select the ordered pairs that represent solutions to the system of inequalities.Select all that applyAnswer choices:(-6, 3)(-3,

Nadya [2.5K]

We can verify this with the graph

(-6, 3) NO

(-3, 3) NO

(-5, 0) NO

(-4, 2) YES

(0,0) NO

(-6, 6) YES

(-3, -6) NO

(-4.0) YES

the area where the solutions are in the yellow area

5 0

1 year ago

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4vir4ik [10]

$\bf \begin{array}{|c|c|c|ll}
\cline{1-3}
x&y=3x^2&y=3^x\\
\cline{1-3}&&\\
0&\stackrel{3(0)^2}{0}&\stackrel{3^0}{1}\\&&\\
1&\stackrel{3(1)^2}{3}&\stackrel{3^1}{3}\\&&\\
2&\stackrel{3(2)^2}{12}&\stackrel{3^2}{9}\\&&\\
\cline{1-3}
\end{array}$

4 0

3 years ago