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3 years ago

A bird 7 feet in the air flies down to the ground.What integer would you use to represent the change in the bird's position?

Mathematics

2 answers:

Semmy [17]3 years ago

5 0

When going down on a Cartesian coordinate system, you are moving in the negative direction, so-7

melomori [17]3 years ago

4 0

Answer:

Integer would use to represent the change in the bird's position is -7 feet

Step-by-step explanation:

Height of the bird = 7 feet

Now we are given that A bird 7 feet in the air flies down to the ground.

Since There is the change in position, and the bird went downwards

So, going down on a Cartesian coordinate system, you are moving in the negative direction

So, The bird is falling down so, it is falling in negative direction

So, integer = -7

So, integer would use to represent the change in the bird's position is -7 feet

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The sum of Joy's age and her brother's age is 24. Joy's brother's age is 3 years older than twice joy's age. What is the differe

enyata [817]

Let Joy be x years old

<span>Joy's brother's age is 3 years older than twice joy's age.
</span>Joy's Brother = 2x + 3

<span>The sum of Joy's age and her brother's age is 24.
x + 2x + 3 = 24
3x + 3 = 24
3x = 24 - 3
3x = 21
x = 21 </span>÷ 3
x = 7

Joy:
x = 7

Brother:
2x + 3 = 2(7) + 3 = 17

Difference in their age = 17 - 7 = 10 years

They are 10 years apart.

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3 years ago

Help me with d. geometry please !!

RSB [31]

Since the sides are equivalent , both of the sides are 44. The formula for hypotenuse is x root 2 making the hypotenuse 44 root 2

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3 years ago

A school has two varsity basketball teams. One is the girls' team, and the other is the boys' team. On any given Saturday in Dec

belka [17]

The probability that either the girls' or boys' team gets a game is 0.85

Step-by-step explanation:

Step 1:

Let P(G) represent the probability of girls team getting a game and P(B) represent the probability of the boys team getting a game.

P(B ∪ G) represents the probability of either girls and boys team getting a game.

P(B ∩ G) represents the probability of both girls and boys team getting a game.

Step 2:

It is given that P(G) = 0.8, P(B) = 0.7 and P(B ∩ G) = 0.65

We need to find the probability of either girls or boys team getting a game which is represented by P(B ∪ G)

Step 3:

P(B ∪ G) = P(B) + P(G) - P(B ∩ G)

= 0.8 + 0.7 - 0.65 = 0.85

Step 4:

Answer:

The probability that either the girls' or boys' team gets a game is 0.85

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3 years ago

Circle o is shown below the diagram is not drawn to scale if m

Vadim26 [7]

Answer:

∠ O = 72°

Step-by-step explanation:

the inscribed angle R is half the measure of its intercepted arc NQ , then

arc NQ = 2 × 36° = 72°

the central angle O is equal to the measure of the arc that subtends it , so

∠ O = arc NQ = 72°

7 0

2 years ago

Determine whether each sum, difference, product,

PIT_PIT [208]

Answer:

28. The difference represents an irrational number

29. The difference represents a rational number

30. The quotient represents a rational number

31. The quotient represents an irrational number

Step-by-step explanation:

* Lets explain how to solve the problem

- The rational number is any numbers can be put in the form of a/b,

where a and b are integers b ≠ 0

- Ex: 1 , 2/3 , 5/4 , 22/7 , 100 , ................

- The irrational number is any number that is not rational

- It is a number that cannot be written as a ratio of two integers

or cannot be expressed as a fraction

- Ex: √2 , √7 , π , ..... (π is irrational because it's approximated value)

- If the part of the the number is irrational, then the number

is irrational

- Ex: (5 + √3) , (√7 + 5) , 2√5 , √11/4 , 5/√13

* Lets solve the problems

28. $\frac{6}{23}-\frac{\sqrt{2}}{2}$

∵ √2/2 is an irrational number

∵ One term is an irrational number

∴ The difference represents an irrational number

29. $\frac{6}{23}-\frac{15}{127}$

∵ The two terms are rational numbers

∴ The difference represents a rational number

30. $\frac{6}{23}$ ÷ $\frac{15}{127}$

∵ The two terms are rational numbers

∴ The quotient represents a rational number

31. $\frac{6}{23}$ ÷ $\frac{\sqrt{2}}{2}$

∵ √2/2 is an irrational number

∵ One term is an irrational number

∴ The quotient represents an irrational number

7 0

3 years ago