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Dimas [21]
3 years ago
13

Pls help me I need to finish it!!

Mathematics
1 answer:
ale4655 [162]3 years ago
8 0

Answer:

2/7

Step-by-step explanation:

7/8 ÷ 3 1/16

Change to an improper fraction

3 /16 = (16*3+1)/ 16 =49/16

7/8 ÷49/16

Copy dot flip

7/8 * 16/49

Rewrite

7/49 * 16/8

Simplify

1/7 * 2/1

2/7

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50 POINTSS MORE !!!!!
Andreas93 [3]

The time it will take for the block of ice to melt if the temperature is 45 degrees is 3 hours.

The cost to travel 22 miles is 55 dollars.

<h3>How to find how long for the ice to melt?</h3>

let

time it takes for ice to melt = x

air temperature = y

Therefore,

x ∝ 1 / y

x  = k / y

when x = 2.5 hours and y = 54 degrees

Hence,

k = 2.5 × 54

k = 135

The time it will take for the block to melt at 45 degrees = 135 / 45 = 3 hours

<h3>How to find equation that relates the cost to the number of miles?</h3>

It costs $35 for a ride from the city centre to the airport, 14 miles away.

where

c = cost

m = number of miles

Therefore, the equation is as follows:

35 / 14 = 2.5

c = 2.5m

Hence, when you travel 22 miles,

c = 22(2.5)

c = 55 dollars

learn more on equation here: brainly.com/question/22737982

#SPJ1

6 0
2 years ago
Can you guys please solve this? Just simplify.<br><br> -12t-23t=?
Stels [109]

Answer:

-35t

Step-by-step explanation:

Hope This Helps!!

8 0
3 years ago
Read 2 more answers
How to convert 3/10 to a decimal and then to a percent
julsineya [31]
3/10 = 3 : 10 = 0,3 = 30 %

.................................................
8 0
3 years ago
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Part A: Parallel lines are two lines that never meet. Find an example that contradicts this definition. How would you change the
goldfiish [28.3K]

The answers to the given questions are explained below as required:

Part A: Parallel lines are two lines that do not meet. So that the two lines are at an angle of 180^{o} to each other.

ii. A good example that contradicts the definition of parallel lines is the perpendicular lines. Two lines are said to be perpendicular if and only if they are at right angle to each other. Thus, the two lines would be at an angle of 90^{o} to one another.

iii. The definition that would be more accurate is: parallel lines are two lines that do not meet, even when extended till infinity.

Pat B: Undefined terms are terms that can be simply explained by descriptions. Some of the terms are: lines, rays, points etc.

ii. Lines can be used appropriately to illustrate parallel lines.

Check: brainly.com/question/16686601

3 0
3 years ago
A class comprises 26 students. During a mathematics test, one student made 12 mistakes but everyone else in the class made fewer
Rainbow [258]

Answer:

See explanation

Step-by-step explanation:

There are 26 students at the class.

During a mathematics test, one student made 12 mistakes but everyone else in the class made fewer mistakes than he did. So, all other students made 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 or 0 mistakes (12 different possibilites).

Suppose that at most 2 students in the class made the same number of mistakes. Hence, at most 12\cdot 2=24 students satisfy this condition. If we add that student who made 12 mistakes, the maximum total number of students in the class could be

24+1=25 students.

But the total number of students is 26, so our hypothesis is incorrect, thus there are at least 3 students in the class who made the same number of mistakes.​

3 0
4 years ago
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