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sergey [27]
2 years ago
8

A sorveteria “Que calor” vendeu 70 picolés e faturou R$ 100,00.Que sistema de equações do 1º grau melhor traduz essa situação?

Mathematics
1 answer:
tekilochka [14]2 years ago
8 0

Answer:

Step-by-step explanation:

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WILL GIVE BRAINLIEST!!!
timofeeve [1]

Answer:

y=448-28x

Step-by-step explanation:

Let x be the number of miles.

We have been given that Sully's car has an average fuel economy of 28 miles per gallon. The capacity of the fuel tank is 16 gallons.

Let us find the number of miles that Sully can drive with 16 gallons.

\text{Number of miles Sully can drive}=\text{16 gallons}\times \frac{\text{28 miles}}{\text{gallon}}  

\text{Number of miles Sully can drive}=\text{16}\times \text{28 miles}  

\text{Number of miles Sully can drive}=448\text{ miles}  

This means that initially Sully's car has can drive 448 miles, so at x equals 0, y will be 448.

As the car consumes 1 gallon for each 28 miles driven, so the gallons of fuel consumed in traveling x miles will be 28x. As each gallon of fuel will decrease with each 28 miles traveled, so slope of our function will be -28.

Upon substituting slope and y-intercept in slope-intercept form (y=mx+b), we will get our function as:

y=448-28x

Therefore, our required function will be: y=448-28x.

4 0
2 years ago
Read 2 more answers
ΔABC is similar to ΔAXY by a ratio of 4:3. If BC = 24, what is the length of XY?
pogonyaev

Answer:

18

Step-by-step explanation:

24/4 = 6 so....

4*6 is 24 and 3*6 is 18

6 0
2 years ago
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Half of a class took Form A of a test, and half took Form B. Of the students who took form B, 39% passed. What is the probabilit
mr Goodwill [35]

Answer:

NOT VERY LIKELY

Step-by-step explanation:

• 1/2 OF THE CLASS TOOK FORM A

• 1/2 = 50%

• THE CHANCE CANNOT BE OVER 50%

• 39% OUT OF 50% PASSED

• 50% - 39% = 11%

• THE ANSWER IS NOT VERY LIKELY

5 0
2 years ago
489 to the nearest ten​
sammy [17]
8 is in the tenth position.

In order to round up, the number behind it (in this case. 9) must be one of the numbers of 5-9. Because 9 meets this requirement, you can round 8 to 9 and this will make 9 to 0.

Your answer is 490
4 0
2 years ago
Read 2 more answers
The box plots compare the number of students in Mr. Ishimoto’s classes and in Ms. Castillo’s classes over the last two semesters
Ilya [14]
<span>-Both box plots show the same interquartile range.
 >Interquartile range (IQR) is computed by Q3-Q1. 
For Mr. Ishimoto's class, Q3 is 35 and Q1 is 31. 35-31 = 4.
For Ms. Castillo's class, Q3 is 34 and Q1 is 30. 34-30 = 4.

</span><span>-Mr. Ishimoto had the class with the greatest number of students.
 >Mr. Ishimoto had 40 students, represented by the last data point of the whiskers.

</span><span>-The smallest class size was 24 students.
 >Which was Ms. Castillo's class.</span>
7 0
2 years ago
Read 2 more answers
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