2 years ago

When p is false and q is true, then p or q is _______ true

Mathematics

1 answer:

Anastaziya [24]2 years ago

7 0

Answer:

sometimes

Step-by-step explanation:

always and never would not make sense since saying it is possible that it is true or false.

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Mrrafil [7]

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3 years ago

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Find x<br> a) 21 √2<br> b)7<br> c)21 √2/2<br> d)21 √3/2

fgiga [73]

Answer:

Step-by-step explanation:

Use the sine ratio in the left, right triangle to find the common side to both triangles and the exact values

sin60° = $\frac{\sqrt{3} }{2}$ , cos45° = $\frac{1}{\sqrt{2} }$ , thus

sin60° = $\frac{opposite}{hypotenuse}$ = $\frac{opp}{7\sqrt{3} }$ = $\frac{\sqrt{3} }{2}$ ( cross- multiply )

2 × opp = 21 ( divide both sides by 2 )

opp = $\frac{21}{2}$

Now consider the right triangle on the right, using the cosine ratio

cos45° = $\frac{adjacent}{hypotenuse}$ = $\frac{\frac{21}{2} }{x}$ = $\frac{1}{\sqrt{2} }$ ( cross- multiply )

x = $\frac{21}{2}$ × $\sqrt{2}$ = $\frac{21\sqrt{2} }{2}$ → C

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2 years ago

Help me out guys I’ll give u a star

pychu [463]

The answer would be 9 :)!

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3 years ago

In the triangle ABC the measure of angle A is 2X +3 the measure of angle B is 4X +2 in the measure of angle C is 2X -1what are t

kvasek [131]

Answer:

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Step-by-step explanation:

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3 years ago

if 28 students out of 35 in our class enjoy using electronics in their spare time, how many would you expect out of the 300stude

max2010maxim [7]

Answer:

240 students

Step-by-step explanation:

28/35=x/300

cross multiply to get 35x=300*28

divide both sides by 35 to get 240

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2 years ago

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