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SCORPION-xisa [38]
3 years ago
12

In solving the inequality -3x < 9, you would divide both sides of the inequality by -3 and flip over the inequality symbol. t

rue or false
Mathematics
1 answer:
vfiekz [6]3 years ago
6 0
True.

Dividing by a negative number flips the inequality symbol while if you divided by a positive number, the inequality would remain facing the same way.
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Given the triangle below, what is m<br> A. 46.2<br> B. 41.40<br> C. 48.4<br> D. 38.6°
Brrunno [24]

Answer:

B 41.4

Step-by-step explanation:

complete Pythagoras for general triangles :

c² = a² + b² - 2ab×cos(C)

with "c" being the side opposite of the angle C.

=>

8² = 10² + 12² - 2×10×12×cos(C)

64 = 244 - 240×cos(C)

240×cos(C) = 244 - 64 = 180

cos(C) = 180/240 = 18/24 = 3/4 = 0.75

C = 41.40962211... ≈ 41.4

5 0
3 years ago
Anybody know how to do this? i really need help. i’ve been trying to do this problem for hours.
timofeeve [1]
It’s should be 12.04 after you do all the math and add it up
3 0
3 years ago
Solve the following equations for x<br> x(14-x) = 33
Katarina [22]

ANSWER :

14x-x^2 = 33

Step-by-step explanation:

x(14-x) = 33

14x-(x)^2 = 33

7 0
3 years ago
The area is no more than 40 square feet. Write and solve an inequality that represents the value of x
Anna35 [415]

Answer:

well its a triangle so

40 divide by 20 is 2

but you have to mutiply that 2 by 2

Step-by-step explanation:

4

3 0
3 years ago
Expand (x-3)(x-8) to form a quadratic expression
AlladinOne [14]

Answer:

x^2 - 11x + 24

Step-by-step explanation:

Foil the equation

x^2 - 3x - 8x + 24

x^2 - 11x + 24

8 0
3 years ago
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