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AnnyKZ [126]
3 years ago
14

50 POINTS! David's Bright laundry detergent commercials claim 9 out of 10 people prefer it. If this is true, how many people out

of 250 should prefer David Bright's?
Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
4 0

Answer:

225 people.

Step-by-step explanation:

It is 225 people because if you imagine that those 250 people are all made up of groups of ten, there are 25 groups. One person in each group does not prefer David Bright's and there are 25 groups so there are 25 people in the group of 250 people that do not prefer David Bright's. 250-25=225 people.

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The product of two numbers is a ______ of both numbers
qwelly [4]
<h2>The product of two numbers is <em>a,</em>  \sqrt{a} of both numbers.</h2>

Step-by-step explanation:

Given,

The product of two numbers = a

To find, the both numbers = ?

Let the two numbers = x

∴ x × x = a

⇒ x^{2} =  a

⇒ x^{2} =\sqrt{a}^2

Comparing the powers, we get

⇒ x = \sqrt{a}

∴ First number = \sqrt{a} and Second number = \sqrt{a}

Thus, the product of two numbers is <em>a,</em>  \sqrt{a} of both numbers.

5 0
3 years ago
At a campground, a rectangular fire pit is 3 feet by 2 feet. What is the area of the largest circular fire that
AysviL [449]

The area of the largest circular fire pit is 452 square inches.

Explanation:

Given that at a campground, a rectangular fire pit is 3 feet by 2 feet

The radius is given by 1 feet.

<u>Area:</u>

The area of the largest circular fire is given by

A=\pi r^2

Substituting the values in the formula, we get,

A=(3.14)1^2

A=3.14 \ ft^2

Thus, the area of the largest circular fire is 3.14 square feet.

<u>To convert feet to inches:</u>

The feet can be converted into inches by multiplying by 12.

Thus, we have,

1 \ft= 12 \ inches

Hence, we have,

Area= 3.14\times 12^2

Simplifying,we get,

Area= 3.14\times144

Area=452.16 \ in^2

Rounding off to the nearest square inch.

Thus, we have,

Area=  452 \ in^2

Thus, the area of the largest circular fire pit is 452 square inches.

5 0
3 years ago
What is the sum of 1/6 + 48​
Ilia_Sergeevich [38]

Answer:

48.16

Step-by-step explanation:

5 0
4 years ago
Josiah works at an electronics store as a salesperson. Josiah earns a 2% commission on the total dollar amount of all phone sale
salantis [7]

Answer: the equations are

0.02x + 0.07y = 156

y = 300 + x

Step-by-step explanation:

Let x represent the total dollar amount of phone sales that she makes.

Let y represent the the total dollar amount of computer sales that she makes.

Josiah earns a 2% commission on the total dollar amount of all phone sales he makes, and earns a 7% commission on all computer sales. She earned a total of $156 in commission. This means that

0.02x + 0.07y = 156 - - - - - - - - - - -1

Josiah had $300 more in computer sales than in phone sales. This means that

y = 300 + x

4 0
3 years ago
Read 2 more answers
If f(x)= (3+x)/(x-3) what is the f(a+2)
Akimi4 [234]

Answer:

                           f(a + 2) = (5 + a) / (a - 1)

Step-by-step explanation:

To answer items such as this, we directly substitute the a + 2 to the all the x's in the function such that,

                           f(a + 2) = (3 + a + 2) / (a + 2 - 3)

Simplifying the function generated above,

                           f(a + 2) = (5 + a) / (a - 1)

6 0
3 years ago
Read 2 more answers
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