assume that when adults with smartphones are randomly selected 52% use them in meetings or classes. if 12 adult smartphone users are randomly selected find the probability that fewer than 4 of them use their smartphones in meetings or classes?

Answer:

160 more stickers

Step-by-step explanation:

640 divided by 4 is 160

160 times 5 is 800

800 minus 640 is 160

you need 160 more stickers

Answer: 50

Step-by-step explanation:

3(50)-14=136

Answer:

Not sure what you are referring to but the three main angles are Acute, Right, and Obtuse

The common difference of this Sequence is 12.

In mathematics, a sequence refers to an ordered list of numbers. When working with sequences, there are various concepts and formulas that are used to calculate different aspects of the sequence. One such concept is the common difference. Let's explore what the common difference is and how to calculate it.
What is the common difference?
The common difference in a sequence refers to the difference between any two consecutive terms in the sequence. For example, in the sequence 2, 4, 6, 8, 10, the common difference is 2. We get this value by subtracting the second term (4) from the first term (2) and so on.
How to find the common difference of a sequence?
To find the common difference of a sequence, you need to know at least two terms of the sequence. You can then subtract one term from the other to calculate the common difference.
Let's apply this to the given sequence, which has a first term of 5 and a fifth term of 17. To find the common difference, we can subtract the first term from the fifth term as follows:
17 - 5 = 12
Therefore, the common difference of this sequence is 12.

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Step-by-step explanation:

4x+5<5x+3

4x=-5<5x=-3

x=-5/4<x=-3/5

1.25<0.6

Answer:

18

Step-by-step explanation:

if the scale is 1 to 25, and the 25 is the same as 450, you just divide by the scale 450/25 equals 18

Answer:

In picture

Step-by-step explanation:

Use the given functions to set up and simplify

Step-by-step explanation:

Hey there!

0.3 = 3/8 (equal to eachother)

Reason: (3/8 = 0.375)

So, 0.3 is equal to eachother.

0.3=0.3

Hope it helps...

Answer: D)[tex]\sqrt{3}[/tex]

Step-by-step explanation:

cot(θ) = cos(θ) ÷ sin(θ)

cot(30) = [tex]\frac{\sqrt{3} }{2}[/tex] ÷  [tex]\frac{1}{2}[/tex]

cot(30) = [tex]\sqrt{3}[/tex]

The value of cot30 is √3 if sin30 = 1/2 and cos30 = √3/2 option (D) is correct.

Trigonometry is a branch of mathematics that deals with the relationship between sides and angles of a right-angle triangle.

We have:

sin30 = 1/2

cos30 = √3/2

As we know,

cotA = cosA/sinA

A = 30 degrees

cot30 = cos30/sin30

cot30 = (√3/2)/(1/2)

cot30 = √3

Thus, the value of cot30 is √3 if sin30 = 1/2 and cos30 = √3/2 option (D) is correct.

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Answer:

Both answers are correct

Step-by-step explanation:

both y = 1 - 3/2x and y = 1 + -3/2x are correct answers, it is just that y= 1 - 3/2x is the simpler version. Adding a negative number is the same as subtracting a positive.

Answer:

>

Step-by-step explanation:

Since both have the same -9 integer, we don't have to worry about that.

Now, 1/5 is smaller than 1/4;

1/5 = 0.2

1/4 = 0.25

Therefore, we use the > sign.

Answer:

>

Step-by-step explanation:

just learned this at school :)

Answer:

12 [tex]\frac{4}{5}[/tex]

Step-by-step explanation:

The first step is to change the mixed numbers to improper fractions

2 [tex]\frac{2}{3}[/tex] × 4 [tex]\frac{4}{5}[/tex]

= [tex]\frac{8}{3}[/tex] × [tex]\frac{24}{5}[/tex] ( cancel 3 and 24 by 3 )

= [tex]\frac{8}{1}[/tex] × [tex]\frac{8}{5}[/tex]

= [tex]\frac{8(8)}{1(5)}[/tex]

= [tex]\frac{64}{5}[/tex]

= 12 [tex]\frac{4}{5}[/tex]

Answer:

Follows are the solution to this question:

Step-by-step explanation:

Given that:

n=1000  

Where the data is distorted and the bad outlier is just axed,when we transform scores of its distribution form into z-score, that become negative or skewed to the left.  If n=1000 doesn't have normal skewed knowledge, then:  

The data range is between 1 to 7

[tex]\to 1 \ to \ 7 = 6 \sigma \\\\\to \sigma =\frac{7-1}{6} \\\\\to \sigma = \frac{6}{6}\\\\\to \sigma = 1\\\\\mu = 4\\[/tex]

In point (1):

The score that matches:  

[tex]\to Z=-2 \ \ \ \mu -26 \\\\ \to 4-2 =2\\\\ \to Z_{score} =2[/tex]

In point (2):

Its value of Z= 0.5 is [tex]\mu \ \ to \ \ 5 \ \ \sigma[/tex]

[tex]= 4+ 0.5 \times 1\\\\= 4+ 0.5\\\\=4.5\\[/tex]

Answer:

10x + 55

Hope this helps :)

the answer is 40 brainliest plz

Answer:

5

Step-by-step explanation:

25% of 20=5

Answer:

5 items are peeps

Step-by-step explanation:

25% is 1/4 of 100%, so divide 20 (your total # of items) by 4, and you get 5, which is 25% of your 20 spring basket items.

Answer:

-9x²

Step-by-step explanation:

-(3x)²

In PEMDAS, we solve the exponent first then multiply.

-(3x)²

-(9x²)

-9x²

Best of Luck!

Uisng the PEMDAS method of simplifying arithmetic expressions, the expression would be 9z²

Given the expression :

This can be written as :

-3z × - 3z

Negative values will cancel out,

= 9z²

Therefore, the simplified form of the expression would be 9z²

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Answer:

(3x + 2)(x-4)

Step-by-step explanation:

3x² - 10x - 8 = 0

(splitting the middle term)

3x² -12x + 2x -8 = 0

3x(x-4) + 2(x-4) = 0

(3x + 2)(x-4) = 0

(3x + 2)(x-4) is the correct answer (option a)

You can solve with many ways but I'll do this one instead. Move 12 to the left side and change from positive to negative.

[tex]2x^2-2x-12=0\\[/tex]

Then divide by 2 whole equation.

[tex]\frac{2x^2-2x-12}{2}=\frac{0}{2}[/tex]

Simplify, as we get  [tex]x^2-x-6=0[/tex]

We can either use Quadratic Formula or Factoring the Polynomials. It depends but since the polynomial aren't that hard to factor because it doesn't have that many numbers in value. So using factoring will be faster.

From [tex]x^2-x-6=0[/tex] we can factor as -

[tex](x-3)(x+2)=0\\x-3 =0, x+2=0\\x=3, x=-2\\(x=3,-2)#[/tex]

Thus, the value of x is 3 or -2. So x = 3, -2 is the answer.

Note that we can also use Quadratic Formula to solve the equation, however that will take longer than factoring then solve the equation.

Answer:

7x^2 + 2x + 7

Hope this helps :)

Answer:

7x²+2x+7

Step-by-step explanation:

Hope this helps. Plz give brainliest.

Answer:

4 inches

Step-by-step explanation:

of 11 inches of wire costs 44 cents, then 1 inch of wire costs 4 cents because 44 cents ÷ 11 inches = 4 cents per inch. (44 ÷ 11 = 4)

So, if 1 inch is 4 cents, 16 cents is 4 inches because 16 ÷ 4 = 4

Answer:

The fraction of the flour Mrs. Mannng will use for her chocolate chip cookies is 4/9

Step-by-step explanation:

Fraction of Portion

Suppose we have a number n and another number m such as m>n. The portion or fraction of size n of m is given by the quotient n/m.

For example, 3 pieces of cake out of a total of 6 make them a fraction of 3/6 = 1/2 of the whole cake, i.e. half of the total available.

Mrs. Manning needs 1/3 cup of flour to make cookies for the bake sale. She actually has 3/4 cups of flour. Calculate the fraction of needed against the available flour:

[tex]\displaystyle \frac{\frac{1}{3}}{\frac{3}{4}}[/tex]

The division can be easier performed by multiplying by the reciprocal of the denominator:

[tex]\displaystyle \frac{1}{3}\cdot \frac{4}{3}=\frac{1*4}{3*3}[/tex]

[tex]\displaystyle =\frac{4}{9}[/tex]

The fraction of the flour Mrs. Mannng will use for her chocolate chip cookies is 4/9

Answer:

The angle with measure 60° is one of those angles that has a well-known cosine value: cos(60°) its C= 1/2.

Step-by-step explanation:

Lucia biked approximately 12 7/10 miles per hour.

To find the number of miles Lucia biked per hour, we need to divide the total distance she biked by the total time taken.

Lucia biked a total distance of 50 4/5 miles in 4 hours.

To divide a mixed number by a whole number, we first convert the mixed number into an improper fraction.

50 4/5 = (50 * 5 + 4) / 5 = 254/5

Now, we can divide the distance by the time:

(254/5) miles / 4 hours = (254/5) / 4

To divide a fraction by a whole number, we multiply the fraction by the reciprocal of the whole number.

(254/5) / 4 = (254/5) * (1/4) = 254/20 = 12 14/20 = 12 7/10

Therefore, Lucia biked approximately 12 7/10 miles per hour.

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Answer:

yes

Step-by-step explanation:

its rightsss

Answer:

Yes

Step-by-step explanation:

Answer:

30,000 miles

Step-by-step explanation:

This is the answer because:

1) There are 36 months in 3 years

2) Divide 36 with 6 because we know this person drives 5,000 miles in 6 months

36/6 = 6

3) Finally, multiply 5,000 and 6 which is 30,000

5,000 x 6 = 30,000

Therefore, the answer is 30,000 miles

Hope this helps! :D

A person drives 5,000 miles in 6 months. So, 30,000 miles will that person drive in 3 years.

A person drives 5,000 miles in 6 months

To determine How many miles will that person drive in 3 years.

First we convert 3 years into month.

1 year = 12 months

3 years = 12 * 3 = 36 months

Now, lets consider

x miles will that person drive in 3 years

6 months = 5,000 miles

36 months = x miles

x = 5,000/6 * 36 = 30,000

Therefore, 30,000 miles will that person drive in 3 years.

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Answer:

<A= right

<B= obtuse

<C= acute

<D= obtuse

Step-by-step explanation:

Answer: yeahh ok?

Step-by-step explanation:

Answer:

Slope = - 6/5x

Y int=(0,6.4)

X int=(5.333,0)

Step-by-step explanation:

It has been proof checked on desmos

each video is 15 minutes long

Step-by-step explanation: