MATHEMATICS HIGH SCHOOL

Find the value of the combination.A farmer buys three cows, two pigs, and ten sheep from a seller who has seven cows, four pigs, and ten sheep. How many choices of animals does he have?

54,264
210
42

Answers

Answer 1
Answer: It's past my bed-time and there's a whopping 5 points at stake, so
I'm going to violate my own #1 Prime Cardinal Rule here, and just
give a stripped down answer without going through a full explanation.

The number of combinations of 3 cows out of 7 is (7·6·5) / 3!  = 35 .

The number of combinations of 2 pigs out of 4 is  (4·3)/2  =  6

The number of combinations of 10 sheep out of 10 is  1 .

The number of ways he can select his animals is (35 · 6 · 1)  =  210 .

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If f(x) = 0.5(1 – x), what is the value of f(–1)?A. 0
B. 1
C. 2.5
D. 0.5

Answers

Answer:

f(-1)=1

Step-by-step explanation:

If f(x) = 0.5(1 - x), find the value of f(-1)

we are given with function f(x) = 0.5(1 - x)

To find f(-1) we plug in -1 for x in f(x)

f(x) = 0.5(1 - x)

f(-1) = 0.5(1 - (-1))

f(-1) = 0.5(1+1)

f(-1) = 0.5(2)

f(-1)=1
  f(x) = 0.5(1 - x) 
f(-1) = 0.5(1 - (-1)) 
= 0.5(2) 
= 1 
answer B   

HOPE I AM THE BRAINLIEST I NEED IT 

One step equations with fractions

Answers

Answer:

9=48

Step-by-step explanation:

shown above in the photo hope it helps

Answer:

9) x = 32

11) x = 33.3

Step-by-step explanation:

9) 1/4x = 8

4 x 1/4x = 8 x 4

X = 32

11) 3/5x = 20

5 x 3/5x = 20 x 5

3x = 100

3x ÷ 3 = 100 ÷ 3

X = 33.33333

X = 33.3

Mary Moneypenny went to her bank each week and opened a club account. She deposited $21.75 per time period. If she made 12 deposits before interest was credited, how much would she have deposited before interest was credited?

Answers

Answer:

The $261 Mary deposited before interest was credited .

Step-by-step explanation:

As given

Mary Moneypenny went to her bank each week and opened a club account. She deposited $21.75 per time period.

She deposited $21.75 per time period.

If she made 12 deposits before interest was credited.

Than

Mary deposited before interest was credited = 21.75 × 12

                                                                           = $ 261

Therefore the $261 Mary deposited before interest was credited .
lets see step by step,
she goes 12 times to the bank and made a deposit of $21.75 each time, therefore she have deposited:

deposit = 12*21.75 = $261

that is the amount she deposited before receiving any interest.

Let f(x) = x^2 + 6 and g(x) = x+8/x. Find (g ° f)(-7)

Answers

g(55)= (55+8)/55

Now just simplify the numerator.

Find an EQUATION for the tangent line to the graph at the specified value of x: y = xcos(3x) for x = pi

Answers

The line [ y = - pi ] is tangent to that function where x=pi .

What is 8+4d=5d i really need help

Answers

Answer:

d = 8

Step-by-step explanation:

Given

8 + 4d = 5d ( subtract 4d from both sides )

8 = d

Answer:

d=8

Step-by-step explanation:

8+4d=5d

1. subtract 8 from both sides > 8+4d-8=5d-8

2. simplify > 4d=5d-8

3. subtract 5d from both sides > 4d-5d=5d-8-5d

4. simplify again > -d = -8

5. divide both sides by -1 > -d/-1 = -8/-1

6. simplify again > d=8
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