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3 years ago

three people have 1/2 of a pizza to share equally. what fraction of a whole pizza will each person get

Mathematics

2 answers:

Anna35 [415]3 years ago

7 0

Answer:

⅙

Step-by-step explanation:

½÷3=½×⅓=⅙

therefore ⅙ for each person.

docker41 [41]3 years ago

6 0

Answer:

Answer = (1/2)/3 = 1/6

Step-by-step explanation:

So 3 people are sharing half a pizza, so 1/2 divided by 3, gives you the above answer

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Which of the following sentences could not be used to represent the equation x-5=-10?

melamori03 [73]

Answer:

A number less five equals negative ten

Step-by-step explanation:

sorry if it is wrong

hope it helped

8 0

3 years ago

Sarah wants to arrive at her friend's wedding at 3:00. The distance from Sarah's house to the wedding is 97 miles. Based on usua

atroni [7]

Answer:

First, you need to remember the relation:

speed = distance/time

We know that she needs to arrive at her friend's wedding at 3:00.

We also know that the total distance between her house and the wedding is 97 miles.

Now we need to find the total time that she needs to arrive at the wedding, so we can estimate at which hour she needs to start the travel.

The first 20 miles are driven att 30 miles per hour.

Then:

distance = 20mi

speed = 30mi/h

30mi/h = 20mi/T

T = 20mi/(30mi/h) = 0.67 hours.

The next 12 miles are driven at 45 mi/h

then:

45mi/h = 12mi/T

T = (12mi/(45mi/h)) = 0.27 hours

And the remainder distance is traveled at 65 mi/h

First, at this point she did travel 20mi + 12mi = 32mi

And we know that the total distance was 97mi, then the remaining distance is:

97mi - 32mi = 65mi

Then now she travels 65 miles at the speed of 65mi/h

then:

65mi/h = 65mi/(T)

T = (65mi)/(65mi/h) = 1 hour

Then the total time needed for the travel is:

Time = 0.67 hours + 0.27 hours + 1 hour = 1.94 hours.

knowing that 1 hour = 60 min

0.94 hours = 0.94*(60 min) = 56.4 min

time = 1 hour and 56.4 min

Meaning that she needs to leave her house around two hours before 3:00

So she would need to leave her house at around 1:03

8 0

3 years ago

Can anyone help me do this?

lubasha [3.4K]

Answer:

answer explained in the photo.

4 0

3 years ago

(a) Are these triangles similar and if so why? (what similarity postulate can you use to prove this)

Paha777 [63]

Answer:

Part a) The triangles KJL and NMP are similar by AAA similarity postulate

Part b) The value of x is $7\ units$

Step-by-step explanation:

Part a)

we know that

The AAA similarity postulate states that If in two triangles the corresponding angles are equal, then the triangles are similar

In this problem

m<JKL=m<MNP

m<KJL=m<NMP

The third angle must be equal (remember that the sum of the interior angles of triangle must be equal to 180 degrees)

m<JLK=m<MPN

therefore

The triangles KJL and NMP are similar by AAA similarity postulate

Part b) What is the value of x?

we know that

if two figures are similar, then the ratio of its corresponding sides are equal

$\frac{4x-4}{20}=\frac{30}{25}\\ \\(4x-4)*25=20*30\\ \\100x-100=600\\\\ 100x=700\\ \\x=7\ units$

3 0

3 years ago

Multiple-Choice The average distance

murzikaleks [220]

Alright, so it would be helpful to think about this question in terms of units. You're given a distance (meters) and speed (meters per second). You're asked for time (which is in seconds).

If you do $\frac{meters}{meters/second}$ , your answer will be in seconds. So divide your distance (2.28 x 10^11 meters) by your speed (3.00 x 10^8 meters/second), and you should get your time!

4 0

4 years ago