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2 years ago

Determine if y = -7 is a solution for the inequality 2y ⥶ -14

Mathematics

1 answer:

Pie2 years ago

6 0

Answer:

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250 in expanded form

11Alexandr11 [23.1K]

Answer:

(200)+(50)+(0)

Step-by-step explanation:

you just take all the numbers and break them up

8 0

2 years ago

A manufacturer of televisions subjects the equipment to a comprehensive testing process for all essential functions before the t

Vikki [24]

Answer:

The value is $P(X \ge 9) = 0.9138$

Step-by-step explanation:

From the question we are told that

The probability of passing the test is $p = 0.95$

The sample size is n = 10

Generally the distribution of the comprehensive testing of equipment follows a binomial distribution

i.e

$X \~ \ \ \ B(n , p)$

and the probability distribution function for binomial distribution is

$P(X = x) = ^{n}C_x * p^x * (1- p)^{n-x}$

Here C stands for combination hence we are going to be making use of the combination function in our calculators

Generally the probability that at least 9 pass the test is mathematically represented as

$P(X \ge 9) = P(X = 9 ) + P(X = 10 )$

=> $P(X \ge 9) = [^{10}C_9 * (0.95)^9 * (1- 0.95)^{10-9}] + [^{10}C_{10} * (0.95)^{10} * (1- 0.95)^{10-10}]$

=> $P(X \ge 9) = [0.3151] + [0.5987]$

=> $P(X \ge 9) = 0.9138$

7 0

3 years ago

a child is drawing a rainbow using a box of seventeen different colored crayons , which include the seven required colors.after

kvasek [131]

The answer would be 3/13

7 0

3 years ago

Can the gcf of a pair of numbers be greater than the pair itself

dlinn [17]

No. The GCF can't be bigger than either number.
(The LCM can).

7 0

3 years ago

Match each fraction to a reasonable estimate

My name is Ann [436]

Answer:

-3/13 ≈ -1/4
-6/11 ≈ -1/2
-7/9 ≈ -3/4

Step-by-step explanation:

We'll drop all the minus signs, since they don't contribute anything but distraction.

When numerators or denominators are relatively large, changing their value by 1 unit will have a relatively small effect on the value of the fraction. For example, ...

3/13 ≈ 3/12 = 1/4

If we compare the decimal values of these fractions, we see that ...

3/13 ≈ 0.230769... (6-digit repeating decimal)

The closest of the offered "reasonable estimate" fractions is 1/4 = 0.25.

Likewise, 6/11 ≈ 6/12 = 1/2. In decimal, these fractions are ...

6/11 = 0.54... (2-digit repeat)

1/2 = 0.5

We can also increase or decrease both numerator and denominator by the same amount to get a fraction with nearly the same value. This works best when the numbers are larger.

7/9 ≈ 6/8 = 3/4 . . . . . . both numerator and denominator decreased by 1

In decimal, these are ...

7/9 = 0.7... (1-digit repeat)

3/4 = 0.75

6 0

3 years ago