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3 years ago

Need help with 14 and 15 plz due tonight

Mathematics

2 answers:

Olegator [25]3 years ago

8 0

THE ANSWER IS 8P

Hope i helped

lutik1710 [3]3 years ago

5 0

It is asking to find the cost (c) for (p) number of pizzas at $8 each. So 1 pizza would be $8 and 2 would be 2 * 8 = 16 and 3 would be 3 * 8 = 24 and 4 would be 4 * 8 = 32 and p would be p * 8 = c. So the answer is:
c = 8p

15. a ratio is a fraction comparing numbers showing how they relate to each other.

if she mixed 3 ounces of blue and 2 of yellow, this would make 5 ounces of green paint. So the ratio is 3/2. to get 20 ounces of green paint she would have to do this mixture 4 times since she gets five each time. If she mixes 2 ounces of yellow paint four times, she would use 4 * 2 = 8 ounces of yellow painy

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Trevor solved the system of equations below. What mistake did he make in his work?

wariber [46]

2x + y = 5

x − 2y = 10

y = 5 − 2x

x − 2(5 − 2x) = 10

x − 10 + 4x = 10

5x − 10 = 10

add 10 to each side

5x-10+10 = 10 + 10

5x=20

5x = 0 this is the error

He needs to add 10 to each side

7 0

3 years ago

What is the quoteient of -3/8 and -1/3

Nonamiya [84]

Answer:

9/8 I think I could be wrong tho

5 0

3 years ago

Help I need to get this

Mariulka [41]

Which of the following is NOT discussed in this excerpt?

One can follow certain steps to learn to improve the quality of one’s life.

Men are too easily lured by monetary gain.

Authors have not addressed how humankind should earn a living through their literature.

8 0

3 years ago

Proof 1 Given: AB║CD , AD║CB Prove: ΔABC ≅ΔCDA

lys-0071 [83]

Statement Reason

AB║CD , AD║CB Given

m∠BAC = m∠ACD Alternate Interior Angles

m∠ACB = m∠CAD Alternate Interior Angles

AC = AC Reflexive Property of Equality

ΔABC ≅ΔCDA ASA ≅

7 0

3 years ago

Real World Scenario:

iragen [17]

The distance of a train from the city depends on the speed, the time of

travel, and direction of motion of the train.

Correct responses:

Distance Train A is from the city: 750 - 75·t

Distance Train B is from the city: 50·t

After six hours, the two trains are the same distance from the city

At that time both trains will be 300 miles away

1) From the time of departure of Train B to just before 6 hours after Train B's departure; 0 ≤ t < 6 hours

2) At time period, t > 6 hours

3) 250 miles

<h3>Method used to find the above response</h3>

Given:

The distance of train A from the city = 750 miles

Speed of train A = 75 mph

Time at which Train B leaves the city = When Train A is 750 miles from the city

Speed of Train B = 50 mph

Solution:

The equations are;

Distance of Train A from the city is; x₁ = 750 - 75·t

Distance of Train B from the city is x₂ = 50·t

When the train are the same distance from the city, we have;

750 - 75·t = 50·t

750 = 50·t + 75·t = 125·t

Therefore;

$t = \mathbf{\dfrac{750}{125}} = 6$

The time it takes the two trains to be the same distance from the city is 6 hours.

Which gives;

After 6 hours, the two trains are the same distance from the city.

The distance the trains will be after 6 hours is therefore;

750 - 75 × 6 = 300

The distance of the trains from the city after 6 hours = 300 miles

Therefore, we have;

At that time both trains will be 300 miles away

1) The time period Train A is further from the city is before the first 6 hours elapse; 0 hours ≤ t < 6 hours

2) The Train B is further from the city after 6 hours of its departure from the city; t > 6 hours

3) The distance of Train A from the city after 4 hours is given as follows;

x₁ = 750 - 75 × 4 = 450

x₁ = 450 miles

The distance of Train B from the city after 4 hours is; x₂ = 50 × 4 = 200

x₂ = 200 miles

Therefore;

The distance between the trains after 4 hours = 450 miles - 200 miles = 250 miles

Learn more about distance and time relationship equation here:

brainly.com/question/10804931

3 0

2 years ago