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4 years ago

9

Pleaaaaseeeee hellllpfor BRAINLEST answer and thanks

1 answer:

never [62]4 years ago

6 0

I'm pretty sure the answer is 3

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A hiker maintains an average speed of 3 3/4 km/h. How many kilometers will the hiker walk in 5 hours

dalvyx [7]

Answer:

3 3/4 km = 1 hr

_______. ____

x 5

5 (3 3/4) = 18.75 km

5 0

2 years ago

Read 2 more answers

Express the negations of each of these statements so that all negation symbols immediately precede predicates. a) ∀x∃y∀zT(x, y,

Gnesinka [82]

Answer:

a) ∀x∃y ¬∀zT(x, y, z)

∀x∃y ∃z ¬T(x, y, z)

b) ∀x¬[∃y (P(x, y) ∨ Q(x, y))]

∀x∀y ¬ [P(x, y) ∨ Q(x, y)]

∀x∀y [¬P(x, y) ^ ¬Q(x, y)]

c) ∀x ¬∃y (P(x, y) ^ ∃zR(x, y, z))

∀x ∀y ¬(P(x, y) ^ ∃zR(x, y, z))

∀x ∀y (¬P(x, y) v ¬∃zR(x, y, z))

∀x ∀y (¬P(x, y) v ∀z¬R(x, y, z))

d) ∀x¬∃y (P(x, y) → Q(x, y))

∀x∀y ¬(P(x, y) → Q(x, y))

∀x∀y (¬P(x, y) ^ Q(x, y))

3 0

3 years ago

Read 2 more answers

Simplify. Assume that all variables are positive.

mihalych1998 [28]

Answer: $-3x^{2} y\sqrt[3]{2y}$

Step-by-step explanation:

7 0

3 years ago

So do yall know this?

ddd [48]

Answer:

Length: meter

Mass: Kilogram

Volume of a solid: Cubic meter

Volume of a liquid: Liters

Temperature: Degree Celsius

Time: second

The formula for calculating density:

$p = \frac{m}{v}$

7 0

3 years ago

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Please answer both questions and Show Work... I will mark you brainliest and give you five starts

netineya [11]

Answer:

Step-by-step explanation:

For each problem you need to make sure that the angles are the same.

So x + 22 = 90

x = 90 -22 = 68 degree

For the second problem

7x + 10 = 8x

10 = 8x -7x

x = 10 degree

7 0

3 years ago