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3 years ago

Please answer this 15-10%

Mathematics

2 answers:

Lady_Fox [76]3 years ago

7 0

Answer:

What?

Step-by-step explanation:

What are you asking lol

Lostsunrise [7]3 years ago

6 0

Answer:

13.5

Step-by-step explanation:

10% of 15 is 1.5

15-1.5=13.5

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How to find the value of the combination? Show your work! Thansk!

elena-14-01-66 [18.8K]

Answer:

Step-by-step explanation:

Using the definition

n $C_{r}$ = $\frac{n!}{r!(n-r)!}$

where n! = n(n - 1)(n - 2).... × 3 × 2 × 1

Then evaluating numerator and denominator

10 $C_{3}$

= $\frac{10!}{3!(7!)}$

= $\frac{10(9)(8)(7)(6)(5)(4)(3)(2)(1)}{3(2)(1)(7(6)(5)(4)(3)(2)(1)}$

Cancel 7(6)(5)(4)(3)(2)(1) on numerator/ denominator, leaving

= $\frac{10(9)(8)}{3(2)}$ = $\frac{720}{6}$ = 120

-------------------------------------------------------------------------------------

6 $C_{4}$

= $\frac{6!}{4!(2!)}$

= $\frac{6(5)(4)(3)(2)(1)}{4(3)(2)(1)(2)}$

Cancel 4(3)(2)(1) on numerator/ denominator, leaving

$\frac{6(5)}{2}$ = $\frac{30}{2}$ = 15

-------------------------------------------------------------------------------------

Dividing numerator by denominator gives

$\frac{120}{15}$ = 8 → A

4 0

3 years ago

A local high school held a two-day fundraiser selling lunches. The equations shown represent the amount of money the school coll

Likurg_2 [28]

It will be a kid getting hit in the leg by the kids in the lunch table so it will be 4

5 0

3 years ago

What is the Gcf of the number below

never [62]

9514 1404 393

Answer:

b. 60

Step-by-step explanation:

The list of factors is 2, 3, 5, 7. The list of common factors is 2, 3, 5. The lowest exponents on those factor are ...

2^2 × 3^1 × 5^1 = 60

The GCF of 720 and 2100 is 60.

_____

<em>Additional comment</em>

You can verify this using Euclid's method of finding the GCF.

2100/720 = 2 r 660

720/660 = 1 r 60

660/60 = 11 r 0 . . . . 60 is the GCF

Find the remainder from the division. If it is zero, the divisor is the GCF. If it is non-zero, replace the largest number with the remainder, and repeat.

7 0

3 years ago

Write the linearization of the function at the points indicated. (Enter your answer as an equation. Let x be the independent var

Natalija [7]

Answer:

$\displaystyle y=5+\frac{x}{10}$

$\displaystyle y=10+\frac{(x-75)}{20}$

Step-by-step explanation:

<u>Linearization</u>

It consists of finding an approximately linear function that behaves as close as possible to the original function near a specific point.

Let y=f(x) a real function and (a,f(a)) the point near which we want to find a linear approximation of f. If f'(x) exists in x=a, then the equation for the linearization of f is

$y=f(x)=f(a)+f'(a)(x-a)$