part c and b arent clear but the answer to a is this:
if you want to find 40% of something, start with finding 10% then multiplying by 4 to get 40%. 10% of 24.99 is 2.49. 2.49 times four is 9.96. so thats 40% of 24.99.
to find the price, subtract 9.96 from 24.99.
you get $15.03
Let us assume the length of a side of the square floor = x feet
Area of the square floor as given in the question = 320 square feet
Then
x^2 = 320
x^2 = (17.89)^2
Then
x = 17.89
= 18 feet approx
From the above deduction, it can be easily concluded that the correct option among all the options that are given in the question is the second option or option "B".
It’s a three quarter turn, and it’s 270 degrees.
The answer is 207 or 2 hundreds 7 ones in unit form or two hundred seven in word form.
<h3>Further explanation</h3>
2 thousands 7 tens are a unit form. The standard form is 2,070.
Explanations and an example of questions about the four types of number forms can be found at brainly.com/question/4725342.
The key problem is working out the value of 90,000 divide by 10. This is a division operation.
Option-1
Both numbers are divided by 10.
The result is
Option-2
Division operations can be written as fractions, like this.
The numerator and denominator are both divided by 10, or 'cross out a zero from both'.
The result is
- - - - - - -
If x is divided by y equals z, then x is equal to y multiplied by z.
Let's prove it!
This is proven.
<h3>Learn more</h3>
- Explanations and an example of a question about the four types of number brainly.com/question/4725342
- 5000 is ¹/₁₀ of what? brainly.com/question/106300
- 9 ten thousands divided by ten? brainly.com/question/545132
Keywords: 2 thousands 7 tens divided by 10, division operation, unit form, standard form, fractions, cross out a zero, the numerator and denominator
answer is option A
becoz solution set is x < -10 where -5 > -10 so -5 is not in solution set