The difference of a number q and 8

Answers

Answer 1
Answer:

The difference of a number q and 8 is q-8.

It is required to write thedifference of a number q and 8.

What is algebra?

A part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.

Given that:

considering the word "difference" means subtraction, so to  subtract 8 from q.

the difference of a number q and 8 is

q-8.

Therefore, the difference of a number q and 8 is q-8.

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Answer 2
Answer: 8-q, considering the word "difference" means subtraction, so you are subtracting 8 from q.

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In the fifth grade at Lenape Elementary School, there are 3/4
as many girls as there are boys. There are 63 students in the fifth grade. How many students are girls?

Answers

Answer:

47 girls

Step-by-step explanation:

63÷4=15.75

15.75×3=47.25

Select one of the factors of 3x2 + 4x − 4.
(x + 4)
(3x + 2)
(3x − 2)
(x − 2)

Answers

x-c where c is a number is a factor of the function if and only if the result of the operation gives a remainder is 0. It has been said that R is equal to the function of c. Calculation for this are as follows;

R = f(c) = 0 = 3x^2 + 4x - 4

Solving for x, we obtain

x = 2/3
x = -2

From the choices the answer is the 3rd option.

Answer:

(3x − 2)

Step-by-step explanation:

Given : 3x^2 + 4x - 4

To Find : Select one of the factors of  3x^2 + 4x - 4

Solution:

3x^2 + 4x - 4=0

3x^2 + 6x-2x - 4=0

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

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

Hence (3x − 2) is one of the factors of 3x^2 + 4x - 4

What is 2+x/5+x=7/8?

Answers

Answer:

x = - (15)/(16)

Step-by-step explanation:

2 + (x)/(5) + x = (7)/(8)

Multiply through by 40 ( the LCM of 5 and 8 ) to clear the fractions

80 + 8x + 40x = 35

48x + 80 = 35 ( subtract 80 from both sides )

48x = - 45 ( divide both sides by 48 )

x = - (45)/(48) = - (15)/(16)

Lucy wants to plant 16 roses, 24 sunflowers, and 32 lilies in her garden. She wants to plant only one type of flower in each row, and she wants each row to have the same number of plants. The maximum number of flowers she can plant in each row is ___. If she plants the maximum number of flowers in each row and uses all of the flowers, she can plant ____ rows of flowers.

Answers

Answer:

First part is 8.

Second part is 9.

Step-by-step explanation:

Lucy wants to plant 16 roses, 24 sunflowers, and 32 lilies in her garden.

She wants to plant only one type of flower in each row, and she wants each row to have the same number of plants.

We will take the greatest common factor of 16, 24 and 32

16 = 2 x 2 x 2 x 2

24 = 2 x 2 x 2 x 3

32 = 2 x 2 x 2 x 2 x 2

Now the greatest common factor is = 2 x 2 x 2 = 8

Therefore, the maximum number of flowers she can plant in each row is 8.

All flowers are = 16+24+32=72

If she plants the maximum number of flowers in each row and uses all of the flowers, she can plant (72)/(8)=9 rows of flowers.

Or we can also find this by :

(16)/(8)=2

(24)/(8)=3

(32)/(8)=4

Totaling these we get = 2+3+4=9 rows.

8 and 9

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(5.4*10^-1)(7*10^0) simplify. write each answer in scientific notation

Answers

(5.4*10^-1)(7*10^0) \n \n  5.4 * 10^(-1) * 7 * 10^0 \ / \ simplify \ brackets \n \n 37.8 * 10^(-1) * 10^0 \ / \ simplify \n \n 37.8 * 10^(-1) \ / \ product \ rule \n \n Answer: 37.8 * 10^(-1)

Whats the 4th root of 225

Answers

well the square root is 15
the qubic root is 5
the forth root is approx 3.87