Find the value of 7C7

Answers

Answer 1

Step-by-step explanation:

If there were 7 items, the number of ways to choose 7 out of the 7 items is only 1 way, which is to get all of them.

=> 7C7 = 1.


Related Questions

What is the equation of the line that has a slope of -3 and passes through the point (-2, 4)?
O y = -3x - 2
y=-3x
ООО
y=-3x - 4
y = -3x + 4
O y=-3x + 2

Answers

Y = -3x + b
Plug in points
4 = -3(-2) + b
4 = 6 + b, b = -2
Solution: y = -3x - 2

PICTURE BELOW....................

Answers

Answer: C

Step-by-step explanation: 45 divided by 18 is 2.5

Is each graph a function or not?

Answers

Answer:

IN THIS ORDER

NO

NO

YES

YES

NO

YES

Step-by-step explanation:

Hope this helped if I got it wrong, sorry ill edit it if I did :)

Please help me 20 points!!!!!

Answers

Answer:

A. 0.4 km

B. 48 fruits to 12 vegetables

C. 72 hours

60%

Step-by-step explanation:

1 km = 1000 m

You have 400 m

1000m/1km = 400m/1000m

400/1000

0.4km

4:1

Ok so an easy way to do this one is multiplication.

you need the number of fruits to be 4 times more than the number of vegetables.

A would be 2:1 because 16 is 2 times more than 8

B would be 4:1 because 48 is 4 times more than 12

C would be 8:1 because 24 is 8 times more than 3

D would be 3:1 because 60 is 3 times more than 20

B would be the correct answer

If they traveled 216 miles in 3 hours, to find average you have to divide miles by hours.

216/3

72 hours

The tigers won 12 of their last 20 games.

12/20

0.6

Percent is 100 times the decimal.

0.6*100

60%

Don't be afraid to reach out with any more questions! I hope this helps!

Find the slope of the line represented by the table

Answers

Answer:

slope = 3

Step-by-step explanation:

Calculate the slope m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (3, 8) and (x₂, y₂ ) = (1, 2) ← 2 ordered pairs from the table

m = [tex]\frac{2-8}{1-3}[/tex] = [tex]\frac{-6}{-2}[/tex] = 3

the answer below thanks

Answers

Answer:

The equation of the circle having centre (-5,-9) and radius r=3  is

x² + 10 x +y² + 14 y + 65 = 0

Step-by-step explanation:

Explanation:-

From graph  The centre of the circle  C( -5 , -7)

The radius of the circle r = 3cm from the centre of the given circle

The equation of the circle



From graph the centre ( h, k) = ( -5,-7) and r = 3cm

                 [tex](x-(-5))^2+(y-(-7))^2 = 3^2[/tex]

                x² + 10 x +25 +y² + 14 y + 49 =9

              x² + 10 x +25 +y² + 14 y + 49 -9=0

 The equation of the circle

                x² + 10 x  +y² + 14 y + 65 = 0  

 



                     

Which of the following represents a reflection of (-3, 4) across the y-axis?
(-4, 3)
O (-3,-4)
O (3, 4)
O (4, -3)

Answers

(-4, 3) is the right one






Find the original price of a pair of shoes if the sale price is $63 after a 30% discount.

Answers

Answer:

$90

Step-by-step explanation:

To find the original price, divide 63 by 0.7:

63/0.7

= 90

So, the original price is $90

Answer:

$90.00

Step-by-step explanation:

First of all let x be the price of the pair of shoes that you are trying to find.

next since we have 30percent off that price we have

x - 0.30x = 0.70x

which in turn is equal to 63 dollars

so our expression is

0.70x = $63

x = 63 / 0.70

= $ 90.00

25 points question is below

Answers

Answer:

x - 5y = 30

Step-by-step explanation:

If you subtract x from both equations, you'll get -x. If you divide -5y, you'll end up with 1/5x and 6. The intercept doesn't matter but the slopes are parallel which means they'll never intersect anyway

good answer also makes a lot of sense you are correct

Which diagram demonstrates the problem 3x 1/4

Answers

Answer:

A.

Step-by-step explanation:

3 * 1/4 = 3/4

Which answer shades 3 out of 4 blocks? A.

Answer:

the answer is A

Step-by-step explanation:

3 * (1/4) = .75.... Think about how many quarters make a dollar .75 cents is 3/4 of a dollar

In which situation would it be appropriate to use square feet as a measurement?

Answers

Answer:

The correct answer is B ; Karla must determine the area of a floor in her house.

Last year, Jeffrey grew 5/8 of an inch and his brother grew 1/2 of an inch. How much more
did Jeffrey grow than his brother?
Simplify your answer and write it as a fraction or as a whole or mixed number.

Answers

Answer:

Jeffrey grew 1/8 inch more than his brother

Step-by-step explanation:

5/8 - 1/2 = 5/8 - 4/8 = 1/8

Answer:

[tex]\frac{5}{4}[/tex] [tex]or[/tex] [tex]1.25[/tex]

Step-by-step explanation:

[tex]\frac{5}{8}[/tex] ÷ [tex]\frac{1}{2}[/tex] = [tex]?[/tex]

[tex]\frac{5}{8}[/tex] = [tex]0.625[/tex]

[tex]\frac{1}{2}[/tex] = [tex]0.5[/tex]

[tex]\frac{0.625}{0.5}[/tex] = [tex]\frac{5}{4}[/tex]

[tex]Therefore,[/tex] [tex]\frac{5}{4}[/tex] [tex]is[/tex] [tex]the[/tex] [tex]answer.[/tex]

Hope this helps! <3

Helppp pleaseee, abc= dce. If ac=5 and bc=7 cd=?

Answers

Answer:

CD = 5

Step-by-step explanation:

Given that ∆ACB is congruent to ∆DCE, it follows that their corresponding angles and corresponding side lengths are congruent to each other. Thus:

AC is congruent to CD,

BC is congruent to EC, and

AB is congruent to DE.

Since AC = 5, therefore CD = 5.

Question 3
And question 4 pleaseeee help!!

Answers

Answer:

see pdf

Step-by-step explanation:

WHATS THE ANSWER HELP

Answers

The answer to that problem is (3, 1)

can u pls help me with this question ​

Answers

Answer: a or d

Step-by-step explanation:

How many 2-inch cubes are needed to completely fill a cubic box that measure 8 inches.

Answers

Answer:

It will be 64 cubes.

Step-by-step explanation:

if one side is 8 inches then 8/2 is 4

to fill one face, 4 × 4 = 16

to fill a cube 16 × 4 = 64

Answer: 64 cubes will fit

Yupjyyhttgtgthyuygrcgtchty

10. DESIGN Mr. Hagarty is choosing tiles to design a kitche backsplash for a rectangular area 65 inches wide and 9 in tall . Design a backsplash using each type of rhombi-shape tile that minimizes cost. a. diagonals of 1 inch and 1.5 inches, $0.05 each b. diagonals of 1.5 inches and 2 inches, $0.07 each Areas of Trapezoids, Rhombi, and Kites 2 © B O DO​

Answers

Answer:

I honeslty dont know I just need points to answer a question

Step-by-step explanation:

hope you find the answer youre looking for!

57.351 rounded to the ones place

Answers

How do you round to the ones place?

Look to the next smallest place value, the digit to the right of the place value you're rounding to. For example, if you want to round to the nearest ten you'd look at the ones place. If the digit in the next smallest place value is less than five (0, 1, 2, 3, or 4), you leave the digit you want to round to as-is.

Answer:

Step-by-step explanation:

do u mean round to the nearest 10th as in one decimal place or to the nearest  one not decimal place?

A cookie factory uses 1/10 of a barrel of oatmeal in each batch of cookies. The factory used
2/5 of a barrel of oatmeal yesterday. How many batches of cookies did the factory make?

Answers

Answer:

4

Step-by-step explanation:

2/5 is the same as 4/10

write an equation of a line that is perpendicular to given line that passes through the given point 5y+2x=-15 T(5,-5)​

Answers

Step-by-step explanation:

The answer is on the bottom if you just wanna scroll down.

The first thing that you would want to do is turn the equation of the given line into slope-intercept form (it's just easier). To do that, you would want to isolate  y on either side. So subtract 2x and divide both sides by 5 and you get: y=-2/5x-3. After you do this, remember that perpendicular lines have the negative reciprical slope of the original line. So since the slope is -2/5, the slope of a perpendicular line would be 5/2. Now you have m=5/2 which is your slope! Now you can use slope point form which is y-y_1=m(x-x_1). You know your m which is 5/2. y-y_1=5/2(x-x_1). Since we know that the line passes through the point (5,-5) we can just plug the numbers in. y-(-5)=5/2(x-5). simplify everything: y+5=5/2(x-5). Remember, math is all about making things simple and easy. since the problem didn't say a specific type of equation, you can just put that as your answer!

Answer:

y+5=5/2(x-5)

Hope this helps! (If it's wrong, plz leave sum comments. thx lol)

F(x)=x/2 +8, what is f(x) when x = 10?
4
ОООО
13
36

Answers

Answer:

13

Step-by-step explanation:

Just replace x with 10, so F(10) = 10/2 + 8. Which is 5 + 8.

which statement is true regarding the functions on the graph?

Answers

Answer:

f(3)=g(3)

Step-by-step explanation:

the only one i see is that

f(3)=g(3)

because the two functions intersect there

that means the two values are the same

A snail can crawl 2/5 of a meter in a minute.


How many minutes will it take the snail to crawl 6 meters?


Please give me an answer A S A P.

Answers

15 minutes to crawl 6 meters
6/0.4= 15
The snail crawls .4 meters per minute and .4*15=6

2 mi = ____ ft Please help! :((

Answers

Answer:

2 mi = 10560 ft

Step-by-step explanation:

you coulve searched it up

Answer:

you multiply it by 2 so its 10560

how do i right the half of x pls help will give brainliesst answer

Answers

Answer:[tex]\frac{1}{2}[/tex]x or x/2

Step-by-step explanation:

Mary is 3 years older than twice her brother's age, a. Which expression
represents Mary's age?
A. 2a + 3

B. 2a - 3
C. 3a + 2

D. 3a - 2

Answers

Answer:

C. 3a + 2

Step-by-step explanation:

brainiest plz

the answer is a


explanation: if she’s 3 years older you will have to add that on to the brothers age (a) and a needs to be multipled by 2 cuz it says twice than

plz help !!!!! complete the function tables then graph

Answers

Answer:

Step-by-step explanation:

can someone help me with this

Answers

3 + 6 ( 4 + 3 ) is the answer

Answer:

30

Step-by-step explanation:

3 + (6 * 4) + 3 = 30

hope this helps

Which symbol will make the number sentence true?

Answers

Answer:

<

Step-by-step explanation:

8/11=0.72727272727272727272727272 just repeated over and over again so its less

Answer:

b

Step-by-step explanation:

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