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algol [13]
2 years ago
11

1/2(10p-7q) if p=9 and q=2

Mathematics
1 answer:
Gala2k [10]2 years ago
3 0

Answer:

38

Step-by-step explanation:

1/2(10p-7q)

1/2(10(9)-7(2))

1/2(90-14)

1/2(76)

76/2

38

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In a sample of 16 mini-golf balls, 6 are yellow and 10 are pink. If 2 balls are selected at random from the sample, one at a tim
Lelu [443]

Answer:

The probability is 1/8 that you'll pick 2 yellow balls.

Step-by-step explanation:

P(Both balls not pink) = P(Both balls yellow) = 6/16 * 5/15 = 1/8

5 0
3 years ago
Carter brought 3 2/3 gallons of water on his 2-day camping trip. Carter determined he could drink 1/2 of the water each day. How
klemol [59]
B its the right answer
4 0
3 years ago
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House sold for $132000. Seller made 10% over original purchase price. What is the original purchase price of house
Sergio [31]
<span>V (sale value) = $ 132000
P (profit) = 10% on the sale, ie 10/100 * 132000 = 1320000/100 = $ 13200
C (cost) = ?

As:

V = C + P
132000 = C + 13200
C = 132000-13200
C = 118800

Answer:

He paid $ 118800 for the house (</span><span>Purchase price of house)</span>
6 0
3 years ago
3x-1/5=x+1/3 pls help me
RoseWind [281]

Answer:

x=4/15

Step-by-step explanation:

first you need to make common denominators for 1/5 and 1/3

the common denominator is 15

5*3=15, 3*5=15. 1*3=3, 1*5=5

new equation:3x-3/15=x+5/15

now subtract x from both sides: 3x-3/15=x+5/15

                                                     -x          -x

                                                     2x-3/15=5/15

now you can add 3/15 to 5/15

2x=8/15

now for the last step, divide by 2 because there are 2 x's

2x/2=x         8/15 /2=4/15

x=4/15

8 0
1 year ago
Read 2 more answers
Which one of these formulas describes the following sequence?<br><br> 1,5,12,22,35
kati45 [8]

We can find a formula for nth term of the given sequence as follows:

1, 5, 12, 22, 35

The 1st differences between terms:

4, 7, 10, 13

The 2nd differences :

3, 3, 3

Since it takes two rounds of differences to arrive at a constant difference between terms, the nth term will be a 2nd degree polynomial of the form: a n^2 + b n + c, where c is a constant. The coefficients a, b, and the constant c can be found.

We can form the following 3 equations with 3 unknowns a, b, c:

1 = a\cdot1^2 + b\cdot1 + c\\5 = \cdot2^2 + b\cdot2 + c\\12 = a\cdot3^2 + b\cdot3 + c

Solving for a, b, c, we get:

a = 3/2, b = -1/2, c = 0

Therefore, the nth term of the given sequence is:

\boxed{ a_n = \dfrac{3}{2}n^2- \dfrac{1}{2} n}

7 0
3 years ago
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