engineers frequently use triangular trusses in the design of bridges. Examine the illustration below. Determine the length of the beans required for the length of the base of this design

Answers

Answer 1

Answer: Okay. So the two sides f the very end right triangle are 10 and 8, 10 is the hypothesis. To find the missing side, you can use the Pythagorean Theorem, which is a² + b² = c². So just fill in the values (c is the hypothesis).

8² + b² = 10² Square the numbers.
64 + b² = 100 Subtract.
b² = 36 Find the square roots.
b = 6

So now you know that the bottom of the right triangle is 6 ft. Now double that to find the base of the whole entire acute triangle, so 12 inches. And you know that the base of the design is made of four triangles, so do 12 x 4. The base of the design is 48 ft.

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Draw a line through each point using the given slope. What do you notice about the two lines? Slope = 1/2Number 3 please

Answers

I believe what it is asking is that you draw a line through one point using the given slope. Then you do the same for the second.

If you did this right you should notice that the lines are parallel die to the fact that they have the same slope.

Final answer:

When you draw a line through each point with a slope of 1/2, the two lines you create will be parallel to each other because they both have the same slope and increase at the same rate.

Explanation:

In mathematics, a slope of 1/2 means that for every 2 units you move to the right (horizontally), you will move up 1 unit (vertically). When you draw a line through each point using this slope, you'll notice that the two lines will be parallel to each other. That's because they both have the same slope, which means they're increasing at the same rate. Therefore, they never intersect and remain an equal distance apart from each other at all points.

Learn more about slope here:

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Which number sentence is always true? Select all that apply!Positive - positive = positive
Negative - positive = negative
Negative + negative = negative
Negative + positive = positive
Positive + positive = positive
Positive - negative = negative

Answers

Answer:

Step-by-step explanation:

Negative - Positive = negative TRUE

eg: -5 - 2 = -7

Negative + Negative = negative TRUE

-8 + ( -2) = -10

Positive + positive = positive TRUE

8 + 2 = 10

Negative+positive=positive

I developed a method of teaching that guides the student toward understanding a new idea through questions. Who am I?

Answers

i think it's john dewey

3/5 X 1 2/7 is (greater than, less than, equal to) 1 2/7

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Change the proper fraction to an improper one to do the multiplication.

3/5 x 9/7

Since this is a multiplication problem you can just multiply across.

27/35

27/35 compared to 1 2/7 or 9/7 is less than because 9/7 is greater than 1

You make punch for a party. The ratio og ginger ale to fruit juice is 8 cups to 3 cups. You decide to add 4 more cups of ginger ale. How many more cupsof fruit juice do you need to keep the correct ratio.

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To get the answer we can use proportion
8 ginger ----------------- 3 fruit
12 ginger ----------------x
Crossmultiply now
8x=12*3 /:8
x= $(12*3)/(8)$
x= $(36)/(8) \n x=4.5$
To not change ratio we have to have 4.5 cups of fruilt juice. We initialy had 3, so we have to add 1.5 cup of fruit juice.

A sphere and cylinder have same radius and height the volume of cylinder is 27 which equation give volume of sphere

Answers

Answer:

The correct answer is A on Edge 2020.

Step-by-step explanation:

A sphere has 2/3 the volume of a cylinder given that the radius and height are equal. Because the volume of the cylinder is 27 pi (on Edge 2020), you need the equation: 2/3(27 pi) or A.

Answer:

the answer is A≈9160.88

Step-by-step explanation:

A=4πr2=4·π·272≈9160.88418
where as a = area