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Kazeer [188]
2 years ago
12

An angle that measures 90 is a(n) ____angle

Mathematics
2 answers:
shusha [124]2 years ago
6 0
A. Right angle because it is 90 degrees if it was more it would be obtuse and if it was less it would be acute
Serhud [2]2 years ago
3 0
The Correct Answer Is: A
Any Triangle That Has A 90 Degree Angle Is A Right Angle.
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Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options.
chubhunter [2.5K]

The correct statements are options C and option D.

  • - 6x + 15 < 10 - 5x ⇒ 3rd answer
  • An open circle is at 5 and a bold line starts at 5 and is pointing to the right.
<h3 /><h3>What is inequality?</h3>

The relation between two expressions that are not equal, employing a sign such as ≠ ‘not equal to’, > ‘greater than, or < ‘less than.

The inequality is -3(2x - 5) < 5(2 - x)

At first, simplify each side

-3(2x - 5) = -3(2x) + -3(-5)

Remember (-)(-) = (+)

-3(2x - 5) = - 6x + 15

5(2 - x) = 5(2) + 5(-x)

Remember (+)(-) = (-)

5(2 - x) = 10 - 5x

- 6x + 15 < 10 - 5x

Subtract 15 from both sides

- 6x < -5 - 5x

Add 5x to both sides

- x < - 5

Remember the coefficient of x is negative, then when you divide both sides by it you must reverse the sign of inequality

The coefficient of x is -1

Divide both sides by -1

x > 5

Therefore the correct statements are options C and option D.

  • - 6x + 15 < 10 - 5x ⇒ 3rd answer
  • An open circle is at 5 and a bold line starts at 5 and is pointing to the right.

To know more about inequality follow

brainly.com/question/24372553

#SPJ1

4 0
2 years ago
The perimeter of the rectangle below is 65 inches.
dimaraw [331]
A :-) Given -
perimeter = 65 inches
Side ‘a’ = 2x
Side ‘b’ = 3 1 by 4x + 1
Solution -
Perimeter = 65
= a + b = 65
= 2x + 3 1 by 4x + 1 = 65
( 3 1 by 4 = 4 x 3 + 1 = 12 + 1 by 4
= 13 by 4 )
= 2x + 13 by 4x + 1 = 65
= 2x + 13 by 4x = 65 - 1
= 2x + 13 by 4x = 64
= 15 by 4 x = 64
= x = 64 x 4 by 15
= x = 256 by 15
= x = 17.06

.:. The value of x = 17.06.
5 0
2 years ago
The graph shows a bacteria population as a function of the number of days since an antibiotic was introduced.
Mazyrski [523]
14 bacteria's were showed on the first day


8 0
3 years ago
Read 2 more answers
A) Find the ratio of the number of boys to the number of girls in a class if the number of boys is
ludmilkaskok [199]

Answer:

5/7

Step-by-step explanation:

First calculate the total number of students:

Girls + boys

= 46 + 115

= 161

Then divide the number of boys over all students

= 115/161

= 5/7

4 0
2 years ago
PLSS HELP ASAP <br><br> What is the area of a toonie ? (28cm) <br> And the radius
allsm [11]

Answer:

sorry I don't know this answer

6 0
3 years ago
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