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tekilochka [14]
3 years ago
13

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
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