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Ivahew [28]
4 years ago
7

I really need help. Make sure you explain and you know the answer.

Mathematics
1 answer:
ra1l [238]4 years ago
5 0
Check the picture below.

so, we use the full length of that miles legend 3 times, 3 *60  = 180 miles, and then a tiny bit more to get to Sandusky, 20 miles piece, so 180 + 20 miles.

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Please helppp meeeee!!!!!!
bogdanovich [222]

Answer:

18, 23

Step-by-step explanation:

a. We know that W = 5 and D = 3 so:

P = 3W + D = 3 * 5 + 3 = 18 points

b. We know that P = 50 and D = 14 and that we are solving for W so we get:

50 = 3W + 14

36 = 3W

W = 12 which means the losses are 35 - 12 = 23.

8 0
4 years ago
Read 2 more answers
Slope = 5, through (3,13)
rusak2 [61]

Answer:

y=5x-2

Step-by-step explanation:

6 0
3 years ago
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Find the x-intercept and y-intercept of the line.
IceJOKER [234]

Answer:

Use the slope-intercept form y=mx+by=mx+b to find the slope mm and y-intercept bb.Slope: 22y-intercept: (0,2)(0,2)

Step-by-step explanation:

4 0
2 years ago
How would you calculate the area and perimeter of 3yd 6yd 5yd 10yds
spayn [35]
Okay, start with the smaller square, you know the side length is 3 and that the width is 5, multiply this together:
3 * 5 = 15

That's the smaller left side of this shape, now the bigger side, divide the 10 yards at the bottom by 2 to properly represent the other side then multiply this by the 6 over there.
5 * 6 = 30

Conclusion for Area: After adding the results the answer should be 45.

The perimeter is solely adding all the sides together. You have a 10, two 5's, one 6, and two 3's. Add this together:

10 + 5 + 5 + 6 + 3 + 3 = 32

Conclusion for Perimeter: So the perimeter would be 32.

I hope this helps in someway, have a great rest of your day! ^ ^
| | Ghostgate | |
3 0
3 years ago
3) Postcards: Marcie wants to make a box to hold her postcard collection from a piece of
klasskru [66]

The volume of the box is the amount of space in it.

The dimension of the postcard is:

\mathbf{Length = 10}

\mathbf{Width = 18}

Let x represents the length of the cut.

So, the dimension of the box is:

\mathbf{Length = 10 -2x}

\mathbf{Width = 18 -2x}

\mathbf{Height = x}

<u>(a) The function that represents the volume of the box</u>

This is calculated as:

\mathbf{V(x) = Length \times Width \times Height}

So, we have:

\mathbf{V(x) = (10 - 2x) \times (18 - 2x) \times x}

Expand

\mathbf{V(x) = 180x - 56x^2 + 4x^3}

Hence, the volume function is: \mathbf{V(x) = 180x - 56x^2 + 4x^3}

<u>(b) The dimension that maximizes the volume</u>

We have:

\mathbf{V(x) = 180x - 56x^2 + 4x^3}

Differentiate

\mathbf{V'(x) = 180- 112x + 12x^2}

Set to 0

\mathbf{180- 112x + 12x^2 = 0}

Using a calculator, we have:

\mathbf{x = 7.3,2.1}

The value x = 7.3 is greater than the dimension of the box.

So, we have:

\mathbf{x = 2.1}

Recall that:

\mathbf{Length = 10 -2x}

\mathbf{Width = 18 -2x}

\mathbf{Height = x}

So, we have:

\mathbf{Length = 10 -2 \times 2.1 = 5.8}

\mathbf{Width = 18 -2 \times 2.1 = 13.8}

\mathbf{Height = 2.1}

Hence, the dimension that maximizes the volume is 5.8 by 13.8 by 2.1

<u>(c) The maximum volume</u>

This is calculated as the product of the dimension of the box

So, we have:

\mathbf{Volume = 5.8 \times 13.8 \times 2.1}

\mathbf{Volume = 168.1}

Hence, the maximum volume of the box is 168.1 cubic inches

Read more about volumes at:

brainly.com/question/17056191

5 0
3 years ago
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