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Naya [18.7K]
3 years ago
11

10.

Mathematics
1 answer:
Tamiku [17]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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If f(x)= 15x+7x and g(x)= x^2-5x, find (f+g)(x)
cupoosta [38]

Answer:

(f+g)(x) = x^2 +10x +7

Step-by-step explanation:

(f+g)(x) = f(x) +g(x) = (15x +7) +(x^2 -5x)

= x^2 +x(15 -5) +7

= x^2 +10x +7

7 0
4 years ago
Aisha has $300 in her account. On average, she deposits $14 into her account, every day, for k days. Enter an expression to to c
MaRussiya [10]

Answer:

342

Step-by-step explanation

14+14+14 = 42

42 + 300 = 342

4 0
3 years ago
Xy=7, x=0, y=7 and y=9 revolves around the x axis
Vanyuwa [196]
With shells, the volume is given by

2\pi\displaystyle\int_7^9\frac7y\times y=14\pi\int_7^9\mathrm dy=28\pi
8 0
3 years ago
Help please ANYONE HELP PLEASE NEED RIFHT ANSWER
jeka94

Answer:

If I’m seeing it right I think it is 160units^3

3 0
3 years ago
Please solve this question
Vesnalui [34]

Hello,

\boxed{P(X = k) =( {}^{n} _{k}) \times p {}^{k} \times (1 - p) {}^{n - k}   }

P(X= k) = ( {}^{12}  _{6})  \times 0.51 {}^{6}  \times (1 - 0.51) {}^{12 - 6}

We have :

( {}^{n}  _{k})  =  \frac{n!}{k!(n - k)!}

( {}^{12}  _{6})  =  \frac{12!}{6!(12 - 6)!}  =  \frac{12!}{6!6!}  =  \frac{12 \times 11 \times 10 \times ... \times 1}{2(6 \times 5 \times 4 \times... \times 1) }  =  \frac{12 \times 11 \times 10 \times 9 \times 8 \times 7 }{6 \times 5 \times 4 \times 3 \times 2 \times 1}  = 924

P(X = k) = 924 \times 0.51 {}^{6}  \times 0.49 {}^{6}  = 0.2250

8 0
2 years ago
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