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stira [4]
3 years ago
10

In a classroom of 28 students: 19 of the students have brown eyes 13 of the students wear glasses 7 of the students do not have

brown eyes or glasses how many brown-eyed students wear glasses? answer
Mathematics
2 answers:
V125BC [204]3 years ago
7 0

Total students = 28

Students with brown eyes = 19

students wear glasses = 13

Not brown eyes or no glasses = 7


Not brown eyes = 28 - 19 = 9

Not wearing glasses = 28 - 13 = 15

Not brown eyes and wearing glasses = 15 - 9 = 6

Brown eyes and wearing glasses = 13 - 6 = 7 <==== answer

AnnyKZ [126]3 years ago
5 0

Answer:7 is the answer

Step-by-step explanation:

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Which expressions are polynomial?
Korolek [52]
Polynomial means more than 1 term when all like terms are combined
terms are seperated by plus or minus symbols
you can't combine placeholders and numbers

y is 1 term, not poly
4x^3+y is 2 term, poly
2+s is 2 term, poly

answer is 4x^3+y and 2+s





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quadratic means highest power of placeholder is 2

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yep, 3 terms

4x^2+3x+5
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5 0
3 years ago
A baseball stadium holds 15,002 seats. The lower level has 50 fewer than three times as many seats as the upper
shutvik [7]

Answer:

Upper level = 2502 seats

Middle level = 5044 seats

Lower level = 7456 seats

Step-by-step explanation: given that

A baseball stadium holds 15,002 seats.

Let the Upper, middle and lower levels be represented as U, M and L respectively. And x = number of seat at the upper level

The lower level has 50 fewer than three times as many seats as the upper. That is

L = 3x - 50 .... (1)

The middle level has 40 more than twice as many seats as the upper level. That is

M = 2x + 40

Where L = x

x+ (2x + 40) + (3x - 50) = 15,002

You solved for x and found out the upper level has 2,502 seats . How many seats are in the lower level and how many seats are in the middle ?

That is x = 2502

Substitute x into equation 1

L = 3(2502) - 50

L = 7456 seats

Substitutes x into equation 2

M = 2(2502) + 40

M = 5044 seats

5 0
3 years ago
Read 2 more answers
What is the length of s
DIA [1.3K]
You can either solve this with the Pythagorean theorem or the special triangles rule which can be applied to (degrees —>) 45/45/90 or 30/60/90 triangles.

With the Pythagorean theorem: a^2 + b^2 = c^2 is used with the numbers accordingly- 5 and S are legs and can be either a or b while √50 being the hypotenuse can only be c

(5)^2 + (s)^2 =(√50)^2

25 + (s)^2 = 50

√ ((s)^2) = √ (50 - 25)

s = 5

The special Triangles rule actually states that a shortcut can be applied to the corresponding sides (look at picture). S is directly across from a 45 degree angle (and so is 5!)

If a = 5, than s must also = 5.

8 0
3 years ago
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What is 186/100 as a fraction in simplest form?
Vaselesa [24]
9/36 would be the answer
8 0
3 years ago
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solve the problem make sure your answer is in simplest form and inproper fractions are expressed as mixed numbers 3/5 x 4/5 =
erastova [34]
3/5 • 4/5 = 12/25.

This would be the solution to the above question, simply multiply both the numerator and denominator together to get the final answer.
6 0
3 years ago
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