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anygoal [31]
2 years ago
12

Mr. Adams has 14 boys and 8 girls in his mathematics class. If he chooses two students at random to work on the board, what is t

he probability that both students chosen are boys? Show your work. (DO NOT GIVE LINKS)
Mathematics
2 answers:
Gwar [14]2 years ago
7 0

Answer:

\frac{13}{33}

Step-by-step explanation:

14 + 8 = 22

14/22

22 - 1 = 21

14 - 1 = 13

The next time there are 21 students and 13 boys.

13/21

14/22 × 13/21

13/33

olga55 [171]2 years ago
4 0

Answer:

7/11

Step-by-step explanation:

Total students (14+8) = 22

Boys = 14

Probability for boys,

= 14/22

= 7/11

I'm not sure. Hope, this is correct.

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Identify the slope and the y-intercept in the equation y = -3/4x + 3. Please make sure to say which is the slope and which is th
Liula [17]

Answer:

the y -intercpt is the 3

the slope is -3/4

Step-by-step explanation:

this is because the 3 is the starting point on the y-axis and the slope is -3/4 because you are going down 3 to the right 4 ---hope this helps

5 0
3 years ago
Read 2 more answers
0.5 bigger than 9/18
aleksley [76]
No, 0.5 = 9/18.

9/18 can be simplified to 1/2, which is 0.5

Hope this helped! :)
7 0
3 years ago
If s(x) = x - 7 and t(x) = 4x2 – x + 3, which expression is equivalent to<br> to (t•s )(x)?
serg [7]

Answer:

(t•s )(x) = 4x^3 - 29x^2 + 10x - 21

Step-by-step explanation:

(t•s )(x) is the product of functions s and t:

(t•s )(x) = ( 4x^2 - x + 3)(x - 7).  Applying the Distributive Property of Multiplication, we get:

(t•s )(x) = 4x^3 - 28x^2 - x^2 + 7x + 3x - 21

which needs to be simplified by combining like terms:

(t•s )(x) = 4x^3 - 29x^2 + 10x - 21

7 0
3 years ago
16) <br> Which value is equivalent to 2 + 12 ÷ 2?<br> A) 6 <br> B) 7 <br> C) 8 <br> D) 12
Umnica [9.8K]

The answer to this question is C

Because you are supposed to do division first following PEMDAS so 12÷2=6 then you would do 2+6=8 SO THE ANSWER IS C

5 0
3 years ago
Read 2 more answers
Daniella is making 2/3 of a recipe. the full recipe calls for 3 1/2 cups of flour. how many cups of flour should Danielle use?
kupik [55]

2 \frac{1}{3} cups of flour

We require to find \frac{2}{3} of 3 \frac{1}{2}

change the mixed number to an improper fraction and of to multiply

3 \frac{1}{2} = \frac{7}{2}

\frac{2}{3} × \frac{7}{2}

= \frac{2(7)}{3(2)} = \frac{14}{6} = \frac{7}{3} = 2 \frac{1}{3}


4 0
3 years ago
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