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solong [7]
3 years ago
11

Find the difference ​

Mathematics
1 answer:
Tema [17]3 years ago
8 0

Answer:

t^4+8t^2+8t-12

Step-by-step explanation:

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2x + y -z=9<br> -x + 6y + 2z =- 17<br> 5x + 7y +z = 4
Effectus [21]

Answer:

Step-by-step explanation:

What is y?

3 0
3 years ago
Help please thank you!!!!!!!!!!!!
Tom [10]

Step-by-step explanation:

ndndhsdjbdbdndndndndndnxndjdn there

5 0
3 years ago
Solve for x. Round your answer to the nearest tenth.<br> 3.2<br> 3<br> X =
erica [24]

Answer:

  x = 6.8

Step-by-step explanation:

The angle where the tangent meets the diameter is a right angle. This means the triangle is a right triangle and the Pythagorean theorem applies.

  x² = 3.2² +6² . . . . . . . . the radius is 3, so the diameter is 6

  x² = 46.24

  x = √46.24 = 6.8

_____

<em>Additional comment</em>

This is an 8-15-17 right triangle, scaled by a factor of 0.4.

8 0
3 years ago
The total area of the United States is 3.79 million square miles, and Alaska covers 0.67 million square miles. A meteor falls fr
Nataliya [291]

Answer:

Given the total area of the U.S. = 3.79 million square miles

The area of Alaska = 0.67 million square miles

Step-by-step explanation:

We have given the area of the United States and the area of Alaska. Since Alaska is a part of the United States so the area of Alaska is already included in the given area of the U.S.

Thus to find the probability that the meteor will hit Alaska can be calculated by dividing the area of Alaska from the area of the U.S.

The probability to hit the Alaska  = 0.67 / 3.79

The probability to hit the Alaska  = 0.1767

3 0
3 years ago
The width of a rectangle is 3 inches less than its length. The area of the rectangle is 340 square inches. What are the length a
Vsevolod [243]
If the width is w and the length is l, then l-3=w. In addition, l*w=340. Substituting l-3 for w, we get l*(l-3)=340 and l^2-3l=340, then l^2-3l-340=0. Using the quadratic formula, we get l= (3+-sqrt(9+1360))/2=(3+-37)/2 = 20, -17. Since -17 can't be the length, the length is 20. In addition, since l-3=w, w=17
4 0
3 years ago
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