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2 years ago

8

Andy runs the same number of miles, x, every week. His total distance run each week is less than 60 miles. Which inequality repr

esents how many miles Andy runs each week?

1 answer:

nlexa [21]2 years ago

3 0

Answer:

60x

Step-by-step explanation:

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Need help! Law of cosines...find b round to the nearest tenth please

dusya [7]

ANSWER

$B = 27.8 \degree$

EXPLANATION

The law of cosine is given by the formula:

${b}^{2} = {a}^{2} + {c}^{2} - 2bc \cos(B)$

From the diagram,

a=17, b=8, c=16

We substitute the given values into the formula to obtain:

${8}^{2} = {17}^{2} + {16}^{2} - 2(17)(16)\cos(B)$

$64 = 289+ 256- 544\cos(B)$

$64 = 545- 544\cos(B)$

$64 - 545 = - 544\cos(B)$

$- 481 = - 544\cos(B)$

$\frac{ - 481}{ - 544} = \cos(B)$

$cos(B) = 0.88419$

$B = \cos ^{ - 1} (0.88419)$

$B = 27.8 \degree$

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3 years ago

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How many square inches are 9 cubes with a 1 inch edge

ki77a [65]

Add it up then you will get answer

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2 years ago

Hey smart math people help me please

Ymorist [56]

Answer: First off thats not how you ask for help, by calling us "smart math people" that could offend someone...Second off the answer is 10 because

Step-by-step explanation:

A^2 + B^2 = C^2

6^2 + 8^2 = C^2

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2 years ago

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Enter the value of the 8 in the following number. 438.13

d1i1m1o1n [39]

Answer:

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Step-by-step explanation:

It is in the one's place, so it is just 8x1, which is 8

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2 years ago

What are the ordered pairs of the

OlgaM077 [116]

Answer:

The two points solutions to the system of equations are: (2, 3) and (-1,6)

Step-by-step explanation:

These system of equations consists of a parabola and a line. We need to find the points at which they intersect:

$x^2-2x+3=-x+5\\x^2-2x+x+3-5=0\\x^2-x-2=0\\(x-2)(x+1)=0$

Since we were able to factor out the quadratic expression, we can say that the x-values solution of the system are:

x = 2 and x = -1

Now, the associated y values we can get using either of the original equations for the system. We pick to use the linear equation for example:

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when x= -1 then $y=-(-1)+5=6$

Then the two points solutions to the system of equations are: (2, 3) and (-1,6)

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3 years ago