All categories

2 years ago

Expand and simplify: a(a + 5)

Mathematics

1 answer:

RoseWind [281]2 years ago

6 0

Answer:

a squared+ 5a

Step-by-step explanation:

a(a+5)

multiply everything inside the bracket

a times a is a squared

a times 5 is 5a

i hope i helped

please give me a brainliest!!<3

You might be interested in

Which function grows

mojhsa [17]

Y = 8x + 29 is the answer for your question

4 0

3 years ago

For the function F(x)=1/x,which of these could be a value of F(x) when x is close to zero

fomenos

Answer:

C. -10,000

Step-by-step explanation:

As x approaches zero, f(x) approaches infinity or negative infinity.

Answer: C. -10,000

3 0

3 years ago

2-1= plz help me i need help

Alinara [238K]

Answer:

1 :)

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

When circuit boards used in the manufacture of compact disc players are tested, the long-run percentage of defectives is 5%. Let

kupik [55]

Answer:

(a) 0.873 (b) 0.007 (c) 0.715 (d) 0.277 (e) 1.25 and 1.09

Step-by-step explanation:

The probability that the random variable X takes the value x is given by P(X=x) = $25Cx 0.05^x0.95^{25-x}$ . Then,

(a) $P(X\leq) = (25C0)(0.05^0)(0.95^{25}) + (25C1)(0.05^1)(0.95^{24}) + (25C2)(0.05^2)(0.95^{23})= 0.873$

(b) $P(X\geq5) = 1-P(X\leq4) = 1 - (0.873 + (25C3)(0.05^3)(0.95^{22}) + (25C4)(0.05^4)(0.95^{21})) = 1 - (0.873 + 0.12) = 0.007$

(c) $P(1\leqX\leq4) = (25C1)(0.05^1)(0.95^{24}) + (25C2)(0.05^2)(0.95^{23}) + (25C3)(0.05^3)(0.95^{22}) + (25C4)(0.05^4)(0.95^{21}) = 0.715$

(d) $P(X=0) = (25C0)(0.05^0)(0.95^{25}) = 0.277$

(e) E(X) = np = (25)(0.05) = 1.25 and $Sd(X) = \sqrt{Var(X)} = \sqrt{np(1-p)} = 1.09$

8 0

2 years ago

Rosy waxes 2/3 of her car with 1/4 bottle of car wax. At this rate what fraction of the bottle of car wax will Rosy use to wax h

Dmitry_Shevchenko [17]

⅜ of the bottle. Hope this helps!

4 0

3 years ago

Read 2 more answers