2 years ago

In the expression 10 × 3/2 multiplying by 2/3 is the same as ..

Mathematics

1 answer:

Serhud [2]2 years ago

3 0

Answer:

multiply by 3 and divide by 2

Step-by-step explanation:

10 * 3/2

We multiply by 3 and divide by 2

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A glacier flows at a rate of 20 meters per day. What is the flow rate in kilometers per year?

Maurinko [17]

7.3 km/y
at least if i did this correctly but that's always a stretch.

because it takes 50 days to complete a km
so 365/50 = 7.3

4 0

3 years ago

3−2=10 1.k=4 2.k=-4 3.k=36 4.k=-36

asambeis [7]

The answer is number 2, b!

6 0

3 years ago

Two-fifths of a number is decreased by three. Find the value of the expression if the number is twenty-five.

Sindrei [870]

Let's take the number as x.

two-fifths of a number = 2x / 5
decreased by 3 = (2x/5) - 3

(2x/5) - 3
(2*25/5) - 3
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8 0

3 years ago

Read 2 more answers

According to police sources, a car with a certain protection system will be recovered 87% of the time. Find the probability that

WITCHER [35]

Answer: 0.01145

Step-by-step explanation:

We use Binomial distribution , where the probability of getting x successes in n trial is given by :-

$P(x)=^nC_xp^x(1-p)^{n-x}$ , p = probability of getting each success in each trial.

As per given

The proportion that a car with a certain protection system will be recovered= p=0.87

n= 8

Let x be the number of cars will be recovered.

Then, the probability that 4 of 8 stolen cars will be recovered:

$P(X=4)=^8C_4(0.87)^4(1-0.87)^{8-4}$

$=\dfrac{8!}{4!(8-4)!}(0.87)^4(0.13)^4\\\\= 70(0.57289761)(0.00028561)\\\\=0.0114537700474\approx0.01145$

Hence, the required probability is 0.01145.

5 0

3 years ago

Write and solve a proportion to answer the question. 36 is 0.9% of what number w?

USPshnik [31]

The question can be written out like this:
36 = 0.009x

Multiply both sides by 1,000:
9x = 36,000

Divide both sides by 9:
x = 4,000

7 0

3 years ago

In the expression 10 × 3/2 multiplying by 2/3 is the same as ..​

In the expression 10 × 3/2 multiplying by 2/3 is the same as ..