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3 years ago

The question is in the attachment.

Mathematics

1 answer:

vivado [14]3 years ago

4 0

Answer:

The correct answer is marked

Step-by-step explanation:

The parallel sides left and right have measures 120 ft and 80 ft, respectively.

The measures of the equal-length slanted sides at top and bottom can be found from the Pythagorean theorem.

Each left-side end-point is 20 ft off the horizontal, and the horizontal distance is 140 ft. Then the Pythagorean theorem tells you the slant length is ...

√(20² +140²) = √20,000 ≈ 141.42 . . . ft

So, the perimeter is the sum of side lengths:

120 ft + 2×141.42 ft + 80 ft = 482.84 ft ≈ 482.8 ft

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I need help with this please hurry it's timed

rodikova [14]

Answer:

I think B 82.3%

Step-by-step explanation:

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2 years ago

If you rent a car for one day and drive 225 miles, the cost is $80. If you drive 350 miles in one day, the cost is $105. Let cm)

kolezko [41]

Answer:

a) $(x_1 = 225, y_1 = 80) , (x_2 = 350, y_2 = 105)$

And we want to find a function:

$C (m) = b_1 m + b_0$

We can find the slope with this formula:

$b_1= \frac{105-80}{350-225}= \frac{25}{125}=0.2$

And then we can use the point $(x_1 = 225, y_1 = 80)$ to find the intercept $b_o$ and we got:

$80 = 0.2*225 +b_0$

$b_0 = 80-45 = 35$

So then the linear function is given by:

$C(m) = 0.2 m + 35$

b) For this case we have that m = 475 so we can replace into the function to find the cost like this:

$C(m =475) = 0.2*475 + 35 = 130$

And for the other case we have a cost of 155 and we want to find the number of miles associated so we can do this:

$155 = 0.2m + 35$

$155-35= 120 = 0.2 m$

$m= \frac{120}{0.2}= 600 mi$

Step-by-step explanation:

For this case we can define the following notation:

m= represent the miles travelled

C= represent the cost

Part a

For this case we have the following two points given:

$(x_1 = 225, y_1 = 80) , (x_2 = 350, y_2 = 105)$

And we want to find a function:

$C (m) = b_1 m + b_0$

We can find the slope with this formula:

$b_1= \frac{105-80}{350-225}= \frac{25}{125}=0.2$

And then we can use the point $(x_1 = 225, y_1 = 80)$ to find the intercept $b_o$ and we got:

$80 = 0.2*225 +b_0$

$b_0 = 80-45 = 35$

So then the linear function is given by:

$C(m) = 0.2 m + 35$

Part b

For this case we have that m = 475 so we can replace into the function to find the cost like this:

$C(m =475) = 0.2*475 + 35 = 130$

And for the other case we have a cost of 155 and we want to find the number of miles associated so we can do this:

$155 = 0.2m + 35$

$155-35= 120 = 0.2 m$

$m= \frac{120}{0.2}= 600 mi$

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3 years ago

How do I solve for x ??

Sloan [31]

These are vertical angles and if one side is 150 degrees then the other is also 150 degrees so 3x-15=150 so the answer is x =55

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3 years ago

What is the form to solve this problem 5+9x2=<br>???

Anit [1.1K]

Answer:

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Step-by-step explanation:

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4 years ago

Find the missing side round to the nearest tenth if needed

Alik [6]

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$3k - 4k- 5k\\k=5\\$

8 0

3 years ago