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3 years ago

There are 9 students in a class: 7 boys and 2girls.

Mathematics

1 answer:

AleksAgata [21]3 years ago

8 0

Answer:

The probability is either 2 but mostly 3 boys.

Step-by-step explanation:

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Mr. Heath organizes a six-game tournament where players will

EleoNora [17]

9514 1404 393

Answer:

(W, T, L, S) = (3, 2, 1, 4.1)

Step-by-step explanation:

For some number of wins (W), ties (T), and losses (L), the player's score will be ...

score = 2.2W +0.25T -3L

For 3 wins, 2 ties, and 1 loss, the player's score is ...

2.2(3) +0.25(2) -3(1) = 6.6 +0.5 -3 = 4.1

4 0

2 years ago

Some one please help with question 10!!!

Darya [45]

Answer:

Choice A.

$2 {x}^{ \frac{2}{5} } \times y ^{ \frac{2}{3} }$

8 0

2 years ago

If two figures are similar, the resulting corresponding angles are always

Vlad [161]

If two figures are similar, the resulting corresponding angles are always congruent.

3 0

3 years ago

Which best describes the meaning of the statement if A then B

Oliga [24]

Answer:

$a => b \equiv ( \neg a \ \lor \ b )$

Step-by-step explanation:

You can understand the statement from many perspectives, but in terms of proposition logic it is best to understand it as "negation of a" or " b" in mathematical terms is written like this

$a => b \equiv ( \neg a \ \lor \ b )$

You can show that they are logically equivalent because they have the same truth table.

3 0

3 years ago

Help and explain explain !!!!!!!!!!

tigry1 [53]

Answer:

$x=-1\text{ or }x=11$

Step-by-step explanation:

For $a=|b|$ , we have two cases:

$\begin{cases}a=b,\\a=-b\end{cases}$

Therefore, for $18=|15-3x|$ , we have the following cases:

$\begin{cases}18=15-3x,\\18=-(15-3x)\end{cases}$

Solving, we have:

$\begin{cases}18=15-3x, -3x=3, x=\boxed{-1},\\18=-(15-3x), 18=-15+3x, 33=3x, x=\boxed{11}\end{cases}$ .

Therefore,

$\implies \boxed{x=-1\text{ or }x=11}$

3 0

2 years ago