MATHEMATICS HIGH SCHOOL

Which word describes a triangle with three angles, if each angle measures less than 90°?

Answers

Answer 1

Answer:

Answer:

acute triangle

Step-by-step explanation:

A triangle with all angles less than 90 degrees has all angles that are acute.

Acute angles are less than 90 degrees

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Is the inequality below sometimes, always, or never true? -2(2x + 9) > -4x + 9 A. always B. sometimes C. never

Answers

First simplify the inequality.
-2(2x+9) > -4x+9
Distribute the -2 over parentheses.
-4x-18 > -4x+9
Add 4x to each side to get rid of it.
-18 > 9
This statement is never true because -18 can never be greater than 9.

C. Never

solve it to see

distribute
-4x-18>-4x+9
add 4x both sides
-18>9
add 18 both sides
0>36
false
never true
C

Which equation in slope-intercept form, passes through the points (2, 15) and (5, 21)?

Answers

Answer:

y = 2x + 11

Step-by-step explanation:

Slope-intercept form (y=mx+b) of linear equations highlights the slope (m) and the y-intercept (b) of a line.

Slope = m = rise/run = (y2-y1)/(x2-x1) = (15-21)/(2-5) = -6/-3 = 2

substitute 2 back into the equation.

y = mx + b

y = 2x + b

use one of the provided points to solve for b.

y = 2x + b

15 = 2(2) + b

15 = 4 + b

11 = b

y = 2x + 11

Put these in order of size smallest first , 0.3 , 75% 4/5

Answers

0.3, 75%, 4/5 Convert all to decimal

0.3, 0.75, 0.80 So we can now arrange it with smallest first.

It is already in that order from the smallest to biggest.

= 0.3, 75%, 4/5

convert them to decimal
0.3, 0.75, 0.8 so it is 0.3, 0.75, 0.8. answer is 0.3 , 75%, 4/5

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