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qaws [65]
3 years ago
12

How do you solve this?

Mathematics
1 answer:
Karolina [17]3 years ago
3 0
I don’t know sorry! I might learn that soon so… I’ll see if u can help lately
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A number cube is rolled and a letter is selected from the word BOOKCASE.
Deffense [45]

Answer: i need help on that too

Step-by-step explanation: i need helpppp

8 0
3 years ago
Que es la matematica?
SVEN [57.7K]
Mathematics is math, geometry, algebra, calculus
5 0
3 years ago
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In the figure, AngleRQS Is-congruent-to AngleQLK. 3 lines are shown. Lines S P and K N are parallel. Line R M intersects line S
stepan [7]

Answer:

x=108

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m∠RQS≅m∠QLK -----> by corresponding angles

m∠KLM+m∠QLK=180° -----> by supplementary angles (consecutive interior angles)

we have that

m∠RQS=x° ----> given problem

so

m∠QLX=x°

m∠KLM=(x-36)° ----> given problem

substitute

(x-36)\°+x\°=180\°\\2x=180+36\\2x=216\\x=108

3 0
3 years ago
Read 2 more answers
From a group of 3 men and 4 women, a delegation of 2 is selected. What is the expected number of men in the delegation?
Ostrovityanka [42]

Answer:

The expected number of men in the delegation is 0.86.

Step-by-step explanation:

Number of men = 3

Number of women = 4

A delegation of 2 is selected.

Let X be the number of men selected. So, the possible values of X are 0,1,2.

P(X=0)=\dfrac{^3C_0\times ^4C_2}{^7C_2}=\dfrac{2}{7}

P(X=1)=\dfrac{^3C_1\times ^4C_1}{^7C_2}=\dfrac{4}{7}

P(X=2)=\dfrac{^3C_2\times ^4C_0}{^7C_2}=\dfrac{1}{7}

The expected number of men in the delegation is

E(x)=0\times P(X=0)+1\times P(X=1)+2\times P(X=2)

E(x)=0\times \dfrac{2}{7}+1\times \dfrac{4}{7}+2\times \dfrac{1}{7}

E(x)=\dfrac{6}{7}

E(x)\approx 0.86

Therefore, the expected number of men in the delegation is 0.86.

4 0
3 years ago
Use number sense to solve the equation. 3x + 14 = 23 A. 3 B. 6 C. 9 D. 4
Artist 52 [7]

Answer:

x=3

Step-by-step explanation:

3x + 14 = 23

3x=23-14

3x=9

x=9/3

x=3

option A is the correct answer

5 0
3 years ago
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