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Oduvanchick [21]
3 years ago
14

David’s father bought 5 smoothies. He paid $20. Write and solve an equation to find the cost of one smoothie.

Mathematics
2 answers:
Naya [18.7K]3 years ago
7 0

Answer:

$4

Step-by-step explanation:

Because he bought 5 smoothies and they were each $20, you have to do 20÷5. Then you get $4 as your answer.

scoray [572]3 years ago
5 0
David’s father bought 5 smoothies. He paid $20. Write and solve an equation to find the cost of one smoothie . 5 / 20 = $4
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3 years ago
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100y−39,000=55(x−800)
hoa [83]

Answer:

y = 11/20x -50

Step-by-step explanation:

100y−39,000=55(x−800)

Distribute

100y−39,000=55x−44000

Add 39000 to each side

100y−39,000+39000=55x−44000+39000

100y = 55x -5000

Divide each side by 100

100y/100 = 55x/100 - 5000/100

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This is slope intercept form

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4 0
2 years ago
g natasha is in a class of 30 students that selects 4 leaders. How many ways are there to select the 4 leaders so that natasha i
Papessa [141]

Answer:

<h2>3,654 different ways.</h2>

Step-by-step explanation:

If there are 30 students in a class with natasha in the class and natasha is to select four leaders in the class of which she is already part of the selection, this means there are 3 more leaders needed to be selected among the remaining 29 students (natasha being an exception).

Using the combination formula since we are selecting and combination has to do with selection, If r object are to selected from n pool of objects, this can be done in nCr number of ways.

nCr = n!/(n-r)!r!

Sinca natasha is to select 3 more leaders from the remaining 29students, this can be done in 29C3 number of ways.

29C3 = 29!/(29-3)!3!

29C3 = 29!/(26!)!3!

29C3 = 29*28*27*26!/26!3*2

29C3 = 29*28*27/6

29C3 = 3,654 different ways.

This means that there are 3,654 different ways to select the 4 leaders so that natasha is one of the leaders

5 0
3 years ago
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seropon [69]

Answer:

6-7-8-9-10-11-12-13-14-15 etc...

Step-by-step explanation:

any number that is equal to 6 or greater than 6 is a possible value for x.

5 0
2 years ago
What percent of 3000 is 18??
77julia77 [94]
To solve this problem you have to set up a proportion. To form one side of the proportion you use "is over of" meaning what number represented by is, in this case 18, is placed over the number represented by of, 3000. \frac{18}{3000} Since you are finding the percent of something, youre x value is placed above "100" because percent values are most commonly out of 100%. \frac{x}{100} 
So now your proportion will look like \frac{18}{3000}\frac{x}{100} To solve the proportion you cross multiply and divide. So you multiply 100 and 18 since they are crossed from each other, then divide 1800 by 3000. The answer is .6. 18 is .6% of 3000. 
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3 years ago
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