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galben [10]
3 years ago
5

The senior classes at High School A and High School B planned separate

Mathematics
1 answer:
gladu [14]3 years ago
5 0

Answer: Van: 10, Bus: 46

Step-by-step explanation:

Let the number of students in each van be represented by v.

Let the number of students in each bus be represented by b.

The question given can be formed into an equation as:

3v + 13b = 628 ...... i

9v + 2b = 182 ......... ii

Multply equation i by 9

Multiply equation ii by 3

27v + 117b = 5652 ........ iii

27v + 6b = 546 ....... iv

Subtract iv from iii

111b = 5106

b = 5106/111

b = 46

Bus = 46

Recall that 9v + 2b = 182

9v + 2(46) = 182

9v + 92 = 182

9v = 182 - 92

9v = 90

v = 90/9

v = 10

Van = 10

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Need help ASAP
xz_007 [3.2K]

Answer:

Alternate Interior angles! ? = 50 :)

Step-by-step explanation:

They are both interior, and they are alternate, so the type of angle pair is an alternate interior angles pair!

Relationship: They are congruent to each other!

They are also both equal! :)

7 0
4 years ago
Help please I know what mean absolute deviation is I don’t know what it does tho
s344n2d4d5 [400]

Answer:

The average number of Tv's sold was higher at store A than at store B

Step-by-step explanation:

You don't have to solve anything. They already gave you the mean/average. They just want to know who sold the most, so in this case you would just see who has the higher number, and see what answer matches.

7 0
3 years ago
4. A store had 86 DVDs and 52 CDs. When the equal number of DVDs and CDs were sold,
11Alexandr11 [23.1K]

Answer:

51 DVDs

Step-by-step explanation:

Let the number of DVDs and CDs sold be x each.

<u>Initial</u>

Number of DVDs= 86

Number of CDs= 52

<u>After selling</u>

Number of DVDs= 86 -x

Number of CDs= 52 -x

Given that there are 3 times as many DVDs than CDs left,

86 -x= 3(52 -x)

<em>Expand:</em>

86 -x= 156 -3x

<em>Bring x terms to 1 side, constant to the other:</em>

3x -x= 156 -86

<em>Simplify:</em>

2x= 70

<em>Divide both sides by 2:</em>

x= 35

Amount of DVDs left

= 86 -x

= 86 -35

= 51

3 0
3 years ago
Which of the following has no solution?
rewona [7]
A.(x + 1 < -1) ∩ (x + 1 < 1)
(x < -2) ∩ (x < 0) = (x < -2)

b.(x ≤ 0) ∩ (x ≥ 0) = {0}

c.(x < 0) ∩ (x > 0) = Ф

Option C has no solution.

4 0
3 years ago
Read 2 more answers
An angle is 88° more than its supplement. What is the angle's measure?
svp [43]
The angles measure is 92 degrees.
Work:
Two supplementary angles add up to 180 degrees
180-88=92
7 0
4 years ago
Read 2 more answers
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