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Brrunno [24]
3 years ago
7

NEED HELP NOW !!!!!!! The ratio of teachers to students on a field trip to the art museum is supposed to be 1 : 5. Which group d

oes NOT have the proper ratio? Select the best answer from the choices provided. A. 3 teachers : 15 students B. 4 teachers : 25 students C. 2 teachers : 10 students D. 7 teachers : 35 students
10 points
Mathematics
2 answers:
WINSTONCH [101]3 years ago
8 0

Answer:

B. 4 teachers : 25 students

Step-by-step explanation:

deberían ser 5 maestros o 20 estudiantes.

Neporo4naja [7]3 years ago
5 0

Answer: B. 4 teachers : 25 students

Step-by-step explanation: Since 4 is not, a divisible by 5 or 15 then it's not the answer

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A piece of wire, 536 cm long is cut into two parts such that the longer part is 3 times as long as the shorter part. What are th
Anon25 [30]

Answer:

267 cm and 89 cm.

Step-by-step explanation:

The largest part is  3/(3 + 1) = 3/4 of 356 and the smallest 1/4 of 356.

3 0
2 years ago
If (2-square root of 3 ) is a root of a polynomial with integer coefficients which of the follow must be another root
Anika [276]

\text{If k and l are the roots of a polynomial w(x), then}\ w(x)=a(x-k)(x-l).

(2-\sqrt3)-a\ root\ of\ a\ polynomial\\\\another\ root\ must\ be\ C.\ (2+\sqrt3),\ because\\\\\ [x-(2-\sqrt3)][x-(2+\sqrt3)]=(x-2+\sqrt3)(x-2-\sqrt3)\\\\=[(x-2)+\sqrt3][(x-2)-\sqrt3]\\\\\text{use}\ (a-b)(a+b)=a^2-b^2\\\\=(x-2)^2-(\sqrt3)^2\\\\\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\=x^2-2(x)(2)+2^2-3=x^2-4x+4-3=x^2-4x+1

Answer:\ \boxed{C.\ (2+\sqrt3)}

4 0
2 years ago
What is the probability of rolling 4 even numbers on 4 rolls of a dice
hjlf

Answer:

1/16

Step-by-step explanation:

Possible outcomes when rolling a fair die = 1, 2, 3, 4, 5, 6 (i.e 6 possible outcomes)

Possible outcomes when rolling an even number = 2, 4, 6 (i.e 3 possible outcomes)

Hence P (rolling even number on 1 roll) = 3 / 6 = 1/2

P (Rolling 4 even numbers on 4 rolls) = (1/2)(1/2)(1/2)(1/2) = 1/16

7 0
3 years ago
Find the volume of the following cone
mezya [45]

Answer:

V≈615.75

Step-by-step explanation:

V= 3.14r^2 h/3 = 3.14 X 7^2 X 12/3 ≈ 615.75216

4 0
3 years ago
In your own words, explain to me what is absolute value? . Make sure to talk about the definition of it, how you find it, and ho
pav-90 [236]

Answer:

Absolute Value Is Pretty Simple Actually In Middle School Math. Absolute Value Refers To The Numerical Difference From 0 To The Integer. To Find Absolute Value All We Have To Do Is Find The Difference From 0 To The Number. For Example -9 The Absolute Value Is 9 Because On A Numberline There Are 9 Spaces Between 0 and -9 and +6 Is 6.

(This Is How We Learned It In Middle School There Is A Higher Level To This Tho)

5 0
2 years ago
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