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2 years ago

Determine whether quadrilateral ABCD with vertices

Mathematics

2 answers:

ASHA 777 [7]2 years ago

5 0

Answer:

Step 1: 5

Step 2: -1/5

Step 3: 2/3

Step 4: 2/3

Only one pair of opposite sides is parallel

Step-by-step explanation:

Darina [25.2K]2 years ago

3 0

Answerits not

Step-by-step explanation:

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A bag with 8 marbles are shown below.What is the probability that they are white or grey

horrorfan [7]

Answer: 2/8

Step-by-step explanation:

The probability that the marbles are white or grey is 2/8 because since there is 2 marbles and the total is 8 so you have a probability of 25% to get white or gray

3 0

2 years ago

A boy rides bike at an average speed of 15km/hour, how long will it take him to ride 40km?

Lorico [155]

Answer:

1 2/3 or 1 hour and 20 mins

Step-by-step explanation:

4 0

2 years ago

There are 24 adults and 30 children at a science museum

vovikov84 [41]

Okay so let’s start by figuring what the total number of people is. To get that we add 24 and 30.
24+30= 54
So we have a total of 54 people.
Now, how many children are there?
30 children... which means the ratio is 30:54

Thirty children to fifty four people total at the museum.

Hope this helps!
Contact me if you have any more questions or concerns.

3 0

2 years ago

in 1990 there were about 5.4 billion people in the world. if the population has been growing at 1.95% per year, estimate the yea

kompoz [17]

Answer:

2011

Step-by-step explanation:

Here is the formula.

$A=P(1+r)^{n}$

A = Final Value

P = Starting Value

R = Rate

N = Time in Years

A = 8,000,000,000

P = 5,400,000,000

R = 0.0195

N = Time in Years

Solve for n.

20.35 Years from 1990; so sometime in 2011 the population would be 8 billion.

6 0

1 year ago

Steve Ballmer, the current CEO of Microsoft, used to be the manager of his college football team. Among his duties, he had to be

lutik1710 [3]

9514 1404 393

Answer:

a. x + 4y = 160

b. 160

c. 40

Step-by-step explanation:

a. We can define the variables as ...

x = number of 1/2-liter bottles

y = number of 2-liter bottles

For the total number of liters to be 80, we require

1/2x + 2y = 80

We can multiply this by 2 to eliminate the fraction.

x + 4y = 160

b. The x-intercept is 160. It is the number of 1/2-liter bottles required when no 2-liter bottles are used.

c. The y-intercept is 40. It is the number of 2-liter bottles required when no 1/2-liter bottles are used.

7 0

2 years ago