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3 years ago

Please help me with all ty

Mathematics

1 answer:

Anestetic [448]3 years ago

3 0

1. C
2. Create a trapezoid
3. True, False, True, True

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Solve for x & y solve x = 3 + yy = -2x + 9

sergey [27]

x = 3 + y Eqn(1)

y = -2x + 9 Eqn(2)

Let us solve the system of equations with the substitution method

x - 3 = y (Subtracting 3 from both sides of the Eqn(1))

Replacing y = x - 3 in Eqn (2), we have:

x - 3 = -2x + 9

x = -2x + 9 + 3 (Adding 3 to both sides of the equation)

x + 2x = 9 + 3 (Adding 2x to both sides of the equation)

3x = 12 ( Adding like terms)

x = 12/3 (Dividing by 3 on both sides of the equation)

x = 4

Replacing x=4 in Eqn(1), we have:

4 = 3 + y

4 - 3 = y (Subtracting 3 from both sides of the equation)

y=1

The answers are:

x= 4 and y=1

6 0

2 years ago

1) reflection across y = x

Harlamova29_29 [7]

I’m doing this so I can ask a question

4 0

3 years ago

If a plant manufacturing carpet backing has a cylindrical tank that is 3 meters high and is 6 meters in diameter, what is the vo

Alik [6]

The formula for the volume of a cylinder is $\pi r^{2} h$

We know the diameter, so we can easily find the radius. The diameter is twice as long as the radius, so we divide the diameter by 2 to find the radius. This is equal to 6/2 = 3. Now, we plug our numbers into the formula.

$\pi * 3^{2} *3= \pi *9*3=27 \pi m^{3}$

This could also be written: $84.82 m^{3}$

Both 27 pi cubic meters and 84.82 cubic meters are correct answers, so choose whichever one you think your teacher would prefer.

7 0

4 years ago

Read 2 more answers

The height of a certain banner is equal to one third of its length. If the banner is 5 feet tall, write an equation that can be

Deffense [45]

Answer: the banner has a height of 1.6

Step-by-step explanation:

5 divided by 3

4 0

4 years ago

These are the properties of rectangles.

valentinak56 [21]

Answer:

What is not a property of all parallelograms?

Yes, opposite sides look congruent, and that's a property. But adjacent sides don't look congruent, and that's not a property. Do the sides appear to be parallel? Yes, opposite sides look parallel (and of course, you know this property if you know the definition of a parallelogram)

Step-by-step explanation:

7 0

3 years ago