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zheka24 [161]
3 years ago
8

The expression 2x + 3.4 is equal to ? for x =1.6.

Mathematics
1 answer:
ololo11 [35]3 years ago
6 0

Answer:

6.6

Step-by-step explanation:

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Find the área of a trapezoid with a height of 4ft, base of 5ft and short base of 2
sweet [91]

Answer:

12

Step-by-step explanation:

  The first thing you would want to do is to draw it out. Once you've drawn it out, you want to add the "imaginary lines" so the trapezoid will form into a rectangle. Then find out the area which is L * W. The area for the rectangle is 20.

   Finally you want to take those imaginary pieces and find the area of those. Which would be three and then you want multiply by two since there is two of them. The last thing you need to do is subtract the six from 20.

  <u>Therefore the answer is 12.</u>

 

7 0
3 years ago
Solve the equation x + 0.7 = 1 - 0.2x in two different ways.Then check your answer.Show your work!
expeople1 [14]
Simplifying
x + 0.7 = 1 + -0.2x

Reorder the terms:
0.7 + x = 1 + -0.2x

Solving
0.7 + x = 1 + -0.2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '0.2x' to each side of the equation.
0.7 + x + 0.2x = 1 + -0.2x + 0.2x

Combine like terms: x + 0.2x = 1.2x
0.7 + 1.2x = 1 + -0.2x + 0.2x

Combine like terms: -0.2x + 0.2x = 0.0
0.7 + 1.2x = 1 + 0.0
0.7 + 1.2x = 1

Add '-0.7' to each side of the equation.
0.7 + -0.7 + 1.2x = 1 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + 1.2x = 1 + -0.7
1.2x = 1 + -0.7

Combine like terms: 1 + -0.7 = 0.3
1.2x = 0.3

Divide each side by '1.2'.
x = 0.25

Simplifying
x = 0.25

I only know 1 way.
6 0
4 years ago
Find the slope with (7, 4) and (8, 2)
8_murik_8 [283]

Answer:

-2

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
An airplane begins its descent. After 4 minutes, it is 22,000
Blababa [14]

Answer:

2,000 feet/minute

Step-by-step explanation:

After four minutes the plane has descended to 22,000 feet, and after seven minutes it has descended to 16,000 feet, so the plane lost 6,000 feet of altitude in three minutes. Assuming it lowers at a constant rate of change, the rate of change of the airplane would be \frac{6000}{3} or 2,000 feet/minute.

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3 years ago
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Which statements are true about three-dimensional figures? Select two options. A sphere has no bases. A prism must have a triang
tiny-mole [99]

Answer:

The 2 correct answers are that a sphere does not have a base and that the lateral face of a cylinder is a rectangle.

Please mark me as brainliest. I am trying to have at least one brainliest answer.

4 0
3 years ago
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