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4 years ago

Determine the value of the expression -7(-6) ?

Mathematics

2 answers:

dem82 [27]4 years ago

6 0

Answer:

Step-by-step explanation:

We are asked to determine the value of the expression $-7(-6)$ .

We can see that in our given expression negative 7 is multiplied by negative 6. We know that product of two negative numbers is always positive.

$-7(-6)=42$

Therefore, the value of our given expression is 42.

gulaghasi [49]4 years ago

4 0

Answer:-42

Step-by-step explanation:

Because the both negatives and your just multiplying if the have the same symbol then it stay with the symbol

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weeeeeb [17]

Answer:

$20,475\ ways$

Step-by-step explanation:

we know that

Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

To calculate combinations, we will use the formula

$C(n,r)=\frac{n!}{r!(n-r)!}$

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In this problem

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substitute

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simplify

$C(28,4)=\frac{(28)(27)(26)(25)(24!)}{4!(24)!}$

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