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Savatey [412]
2 years ago
5

Find the value of the expression when b= 9 c= 5 and d=10 ............ ½d + c² - b

Mathematics
1 answer:
Minchanka [31]2 years ago
4 0

Answer:

1/2d+c^2-b = 21

Step-by-st ep explanation:

= 1/2(10) + 5^2 -9

= 5 + 25 - 9

= 30 - 9

= 21

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I need help this Question
Delicious77 [7]

Using the combination formula, it is found that the number of ways to choose the presenters is given by:

C. 462.

The order in which the presents are chosen is not important, hence the <em>combination formula</em> is used to solve this question.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem, 6 students are chosen from a set of 11, hence the number of ways is given by:

C_{11,6} = \frac{11!}{6!5!} = 462

More can be learned about the combination formula at brainly.com/question/25821700

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8 0
2 years ago
WHAT IS 6 1/12 - 4 2/3=
Ede4ka [16]
6 1/12 - 4 2/3
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3 0
3 years ago
What is the rate of change of the function represented by the table?
Ksju [112]

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4 0
3 years ago
Five years from now, the sum of the ages of a women and her daughter will be 40 years. The difference in their present age is 24
Tomtit [17]

Answer:

Daughter age = 3 years

Step-by-step explanation:

Let x be the age of the women and y be the age of the daughter.

Given:

After five year the sum of the women and daughter age = 40

(x+5)+(y+5)=40

At present the sum of the women and daughter age

x+5+y+5=40

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x+y=40-10

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So the sum of the present age is x+y=30

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Now we substitute x value in equation 1.

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2y=30-24

2y=6

y=\frac{6}{2}

y=3\ years

Therefore, the daughter age is 3 years.

7 0
3 years ago
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