2 years ago

Use words to express the following. (7-2) ÷ 3

Mathematics

2 answers:

just olya [345]2 years ago

6 0

Answer:

The sum of two less than seven, divided by three.

aivan3 [116]2 years ago

3 0

Answer:

seven minus two divided by three

Step-by-step explanation:

I'm not sure if that's what you meant or not. if not, you would do 5 divided by 3, which is 1.66666667

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A vending machine sells chips for $0.50 and candy bars for $1.00. If Jim spent $5.50 on snacks in the machine over the course of

m_a_m_a [10]

Answer:

can't be determined

Step-by-step explanation:

we would need to know the total number of bars/chips he brought

5 0

2 years ago

10.5% of the population is 65 or older. Find the probability that the following number of persons selected at random from 25 peo

julia-pushkina [17]

Given:

The sample size n=25

Probability of population is 65 or older is 10.5%.

This date follows the binomial distribution,

$\begin{gathered} n=25,p=0.105 \\ X\rightarrow B(n=25,p=0.105) \end{gathered}$

To find the probability that at most 2 are 65 or older,

$\begin{gathered} P(X=x)=^nC_x(p)^x(1-p)^{n-x} \\ P(0\leq X\leq2)=P(X=0)+P(X=1)+P(X=2) \\ =^{25}C_0(0.105)^0(1-0.105)^{25-0}+^{25}C_1(0.105)^1(1-0.105)^{25-1}+^{25}C_2(0.105)^2(1-0.105)^{25-2} \\ =0.0625+0.1832+0.2579 \\ =0.5036 \\ \approx0.504 \end{gathered}$

Answer: Probability is 0.504 .

8 0

11 months ago

Write 2 7/10% as a fraction.

Andre45 [30]

Step-by-step explanation:

Can you please reword your problem

6 0

2 years ago

Read 2 more answers

What is the distance between -15 and 7

fomenos