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Pani-rosa [81]
3 years ago
15

Solve for x with step by step explanation

Mathematics
1 answer:
HACTEHA [7]3 years ago
6 0

0.85x-100<80

collect like terms

0.85x<80+100

0.85x<180

divide by 0.85

x<211.8

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ikadub [295]
First step: x= ± √ 121
Second step and correct answer: x= ± 11

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6 0
2 years ago
Which of the following(s) is true of a rectangle?
arsen [322]
<h2>Explanation:</h2>

Let's take a look at all of our options.

A. it is also a square

  • A rectangle is NOT <em>always </em>a square because a square has congruent sides, so that means all four of its sides are <em>always </em>equal.
  • A rectangle <em>can </em>be a square but it can also not be a square, so therefore A cannot be an option because it is not always true about a rectangle.

B. the sum of its angle measures is 360

  • This is true because every quadrilateral's angle measures will add up to 360 degrees, no matter what. This is like how a triangle's angle measures always add up to 180 degrees.
  • B is an option because it is an ALWAYS true statement.

C. it has four congruent angles

  • A rectangle always has 90 degree angles, giving it its shape.
  • Since a rectangle always has the same-degree angles, that means that it DOES have four congruent angles.
  • C is also an option because it is always true.

D. it has four congruent sides

  • A rectangle does not ALWAYS have four congruent sides. Say for example a rectangle has a longer length than its width.
  • A square has four congruent sides, but a rectangle is not always a square, therefore this option is not applicable for a rectangle since it is not always true.
<h2>Answers:</h2>

B and C are always true of a rectangle.

7 0
3 years ago
Read 2 more answers
0.04,4/10,0.14,44/100 from least to greatest
garik1379 [7]
0.04, 0.14, 4/10, 44/100
5 0
3 years ago
How to do it ? Thanks for help
Rudik [331]
It is isosceles trapezium, so angle A=angle B,
angle C=angle D=angle BDC
triangle BCD,
180=22 +D+(D-88)
(D-88) because in trapezium C=D, angle BCD=ACD-88 or C-88, and D-88
180=2D-66
2D=180+66
2D=246
D=123
8 0
3 years ago
In the voting for mayor, Candidate Russell received 0.8 of the votes. What is 0.8 written as a percent?
Fudgin [204]
.8 is 80% this is because .8 can be written as a fraction 80/100 this is 80% another way we could have found this is by multiplying .8 times 100 because that is our denominator.
3 0
3 years ago
Read 2 more answers
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