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Natali5045456 [20]
4 years ago
7

Multiply 5x^2(2x^2+ 13-5)

Mathematics
1 answer:
Sunny_sXe [5.5K]4 years ago
4 0

Answer:

10 x ^4 + 40 x ^2

Step-by-step explanation:

Our servers are swamped today! I'm unable to provide you with work, but here's the answer. My apologies, I am a college professor, you can trust my answer!

Glad I could help!!

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You are giving me triangle that has two visible sides one side of the triangle is 17 cm while the other side is 11 cm which is t
antoniya [11.8K]

Answer:

Step-by-step explanation:

17+11 = 28

The third side must be greater than 0 and less than 28 cm

3 0
3 years ago
Balance the following redox reaction by ion electron method.<br><br>I2+ HNO3 = HI03+ NO2+ H20​
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BRO I DONT KNOW SORY I NEED POINTS

Step-by-step explanation:

7 0
3 years ago
Is 0.06 bigger than 0.054
Elis [28]
To compare decimals, start by looking at the whole numbers (the number to the left of the decimal).  Since the number for both is zero, next move to the other side of the decimal, the tenths place.  Both numbers are still zero, so now move to the next place over, the hundredths place.  We have a 6 in the hundredths place for one of the numbers and a five in the hundredths place for the other one...  We can stop right there... 6 is greater than 5 so the number with the 6 in the hundredths place is the larger number.

0.06 > 0.054


3 0
3 years ago
Read 2 more answers
A pair of socks costs £2x find the cost of this pair of socks when 7x - 5 = 16
Gnesinka [82]
In Decimal form 1.5 or in exact form 3/2
5 0
3 years ago
120 A particular telephone number is used to receive both voice calls and fax messages. Suppose that 25% of the incoming calls i
seropon [69]

Answer:

a)0.5611

b)0.1828

c)0.6217

d)0.4389

e)6.25

Step-by-step explanation:

Let's define the following event :

X : ''Calls involving a fax message''

The random variable X can be modeled as a Binomial random variable.

N ~ Bi(n,p)

N ~ Bi(25,0.25)

Where n is the sample and p is the success probability

Let's also define nCr as the combinatorial number :

nCr=\frac{n!}{r!(n-r)!}

The probability function for X is :

P(X=k)=nCk.p^{k}.(1-p)^{n-k}

Where k is the number of success

a) P(X\leq 6)

P(X\leq 6)=P(X=0)+P(X=1)+P(X=2)+P(X=3)+P(X=4)+P(X=5)+P(X=6)

P(X\leq 6)=0.5611

b)P(X=6)=25C6.(0.25)^{6}.(1-0.25)^{19}=0.1828

c) P(X\geq 6)=1-P(X

d)P(X>6)=1-P(X\leq 6)=1-0.5611=0.4389

e) They are asking us about the expected value for random variable X

In a Binomial random variable :

E(X) = μ = n.p

E(X)=25(0.25)=6.25

6 0
3 years ago
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