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3 years ago

Subtract. write your answer in simplest form

Mathematics

2 answers:

xeze [42]3 years ago

5 0

Answer:

6 $\frac{11}{15}$

Step-by-step explanation:

OK because 9 is less than 13 we have to add to nine using the whole number.

9 turns into 8 and 9 turns into 24. (15 makes a whole so we must add 15 to 9)

now we can subtract.

8 $\frac{24}{15}$ - 2 $\frac{13}{15}$ = 6 $\frac{11}{15}$

Rama09 [41]3 years ago

3 0

6 11/15 hope this helps you

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The total number of pears and oranges in a basket is between 30 and 40 . There are 25% more apple than orange how many apples ar

Verdich [7]

The number of apples there are in the basket as described in the task content is; 20 apples.

<h3>What is the number of apples there are in the basket?</h3>

Inference drawn from the task content show that;

The ratio of apples to oranges in the basket is; 5:4. making the total partitions be 9.

On this note, we must identify a number divisible by 9 between 30 and 40.

The number is 36 and once divided by 9 is 4 units per partition.

On this note, the total number of apples in the basket is; 4 × 5 = 20 apples.

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2 years ago

A shipment of 50 precision parts including 4 that are defective is sent to an assembly plant. The quality control division selec

natali 33 [55]

Answer:

0.3968 = 39.68% probability this shipment passes inspection.

Step-by-step explanation:

The parts are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by the following formula:

$P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}$

In which:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In this question:

50 parts means that $N = 50$

4 defective means that $k = 4$

10 are chosen, which means that $n = 10$

What is the probability this shipment passes inspection?

Probability that none is defective, so:

$P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}$

$P(X = 0) = h(0,50,10,4) = \frac{C_{4,0}*C_{46,10}}{C_{50,10}} = 0.3968$

0.3968 = 39.68% probability this shipment passes inspection.

6 0

3 years ago

Find the sum of the even integers between 21 and 45

Vika [28.1K]

22+24+26+28+30+32+34+36+38+40+42+44= 396

6 0

3 years ago

Read 2 more answers

What is 6 divided by 612

kondaur [170]

612/6=102
check: 6x102=612

Hope this helped! :))

8 0

3 years ago

Read 2 more answers

Find the slope between the pair of points (1,3) and (7,2)

agasfer [191]

Answer:

$\bold{m=-\dfrac16}$

Step-by-step explanation:

$\bold{slope\, (m)=\dfrac{change\ in\ Y}{change\ in\ X}=\dfrac{y_2-y_1}{x_2-x_1}}$

(1, 3) ⇒ x₁ = 1, y₁ = 3

(7, 2) ⇒ x₂ = 7, y₂ = 2

So the slope:

$\bold{m=\dfrac{2-3}{7-1}=\dfrac{-1}6=-\dfrac16}$

5 0

3 years ago