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ankoles [38]
3 years ago
12

A principal is organizing a field trip for more than 300 students. She has already arranged the transportation for 220 students.

Each school bus has the capacity to transport 40 students. Which of the following inequalities could be used to solve for x, the number of school buses still needed to transport all of the students?
A. 40x - 220 > 300
B. 40x + 220 > 300
C. 40x > 520
D. 40x > 300
Mathematics
2 answers:
chubhunter [2.5K]3 years ago
6 0

Answer:

B is your answer llsls

Step-by-step explanation:

jejdjdhd

lina2011 [118]3 years ago
5 0
B..I can’t explain it tho cause I’m horrible at explaining
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what is an equation of the line that s perpendicullar to y-3=-4(x+2) and passes through the point (-5,7)
Sidana [21]

Answer:

4y=x+33

y=x/4+33/4 (slope-intercept form)

Step-by-step explanation:

y-3 = -4(x+2)

y-3 -4x-8

y= -4x-8+3

y= -4x-5

m1 = -4

For perpendicularity

m2= -1/-4 = 1/4

The equation is

y-y1 = m2(x-x1)

y-7 = 1/4(x-(-5))

y-7 = x/4+5/4

Multiply through by 4

4y-28=x+5

4y=x+5+28

4y=x+33

Divide through by 4

y=x/4+33/4 (slope-intercept form)

7 0
3 years ago
Leslie purchased a new bar of soap. Three days after she originally used
Ber [7]

Answer:

The equation is:

y= 103 --23d

Step-by-step explanation:

The initial amount was 103 grams.

After one day of use the remaining amount of soap was 80 grams.

So the amount of time he spent in one day was:

Each day Leslie spends 23 grams of soap.

if d represents the number of days elapsed then, the amount of soap "y" that Leslie spends after days is:

y= 103 --23d

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3 years ago
One fourth of a box of cereal was shared equally among 3 people. How much cereal did each person get?
just olya [345]
Okay so the problem starts you off with the fraction (1/4). Sharing equally among 3 people would mean that you'd want to divide it by three so your equation would initially look like (1/4) / 3. Having two dividing signs is confusing so what you do is change the dividing into multiplying by the reciprocal of 3 = 1/3... This would make your expression (1/4) * (1/3) and when you simplify this you should get 1/12 as the answer.   
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Answer:

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Answer:

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42+37=79

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