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umka2103 [35]
3 years ago
7

Write a quadratic equation to represent the situation. Solve the equation by factoring. Use the table and graphing method to che

ck. A rectangular poster has an area of 190 square inches. The height of the poster is 1 inch less than twice its width. Find the dimensions of the poster. NO LINKCUTTER STOP HACKING ME DESPERATE kids
Mathematics
1 answer:
Step2247 [10]3 years ago
6 0

Answer:

Step-by-step explanation:

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send help!!!! Please!! The sum of the measures of the angles from any triangle is 180 degrees. In triangle ABC, angles A and B h
Ratling [72]

Let Angle A = X

Since Angle B is the same, angle B is also X

Then angle C = X +45


Add the 3 angles together: X +X +X +45 = 3x+45


That equals 180 degrees:

3x+45 = 180

Subtract 45 from both sides:

3x = 135

Divide both sides by 3:

X = 135/3

X = 45

Angle A = 45

Angle B = 45

Angle C = 45+45 = 90

7 0
4 years ago
Please help it’s due by tonight! The other two were posted if you are confused so you can see the full problem
DIA [1.3K]

Answer:

216 times smaller, 21600%, the cross section is a rectangle or square

8 0
4 years ago
Select the statement that best justifies the conclusion based on the given information.
adoni [48]
Your Answer Is C. Distributive 
8 0
4 years ago
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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
What is the value of X ?
hjlf
Because both lines DE and XY are parallel to one another, the 115° will be same for the line segment. XY

And because XY is a flat line, it's a straight angle. Meaning it's an 180° angle.

We need to find a value of x that when added 115° will equal 180°.

We can use this equation: x + 115 = 180

Subtract both sides 115.

x + 115 - 115 = 180 - 115
x = 65

So, x is equal to 65 degrees.
8 0
3 years ago
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