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3 years ago

{f(1)=15 f(n)=f(n-1)•n

Mathematics

2 answers:

stich3 [128]3 years ago

8 0

The answer is zero ……?.

zheka24 [161]3 years ago

5 0

I solved the second equation and it’s zero, I’m not really sure how to help with the top on tho. I am really sorry :/

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Describe which of the two points lies on the graph of the line Y-x=4 A. 9,5 B. 5,9

klasskru [66]

B. 5, 9

x = 5
y = 9

y - x = 4

(9) - (5) = 4

True

hope this helps

4 0

3 years ago

Find the area of the trapezoid A. 168 in^2 B. 94.5 ft^2 C. 72 ft^2 D. 84 ft^2

Rainbow [258]

Answer:

D. 84 ft^2

Step-by-step explanation:

Formula for area of a trapezoid:

$A=\frac{a+b}{2} h$

where a and b = bases and h = height

The trapezoid shown has the following dimensions

base 1 = 9ft

base 2 = 12ft

height = 8ft

Using the following information we plug in the values into the formula

$A=\frac{9+12}{2} \\9+12=21\\\frac{21}{2} =10.5\\10.5*8=84$

Hence, the area of the trapezoid is 84ft² and your answer is D

4 0

2 years ago

If 32x+1 - 3x+5, what is the value of x? оооо

Zolol [24]

Answer:

x = $\frac{4}{35}$

Step-by-step explanation:

Given

32x + 1 = - 3x + 5 ( add 3x to both sides )

35x + 1 = 5 ( subtract 1 from both sides )

35x = 4 ( divide both sides by 35 )

x = $\frac{4}{35}$

7 0

3 years ago

Read 2 more answers

-9x-6y=15,9x-10y=145

vazorg [7]

-9x-6y=15

9x-10y=145

Find y first by eliminating the x.

Add the two equations together.

-9x+9x-6y+-10y=15+145

-6y+-10y=15+145

-6y-10y=160

-16y=160

divide both sides by -16 to get +y

-16y/-16=160/-16

y=-10

Use the substitution method to find x

-9x-6y=15

-9x-6(-10)=15

Do the bracket first

-9x+60=15

Move +60 to the other side. Sign changes from +60 to -60.

-9x+60-60=15-60

-9x=-45

Divide both sides by -9

-9x/-9=-45/-9

x=5

Answer:

( 5,-10)

3 0

3 years ago

What’s the answer to the this problem 3(x-2)= 18

madam [21]

Answer:

X=8

Step-by-step explanation:

8-2=6 3x6=18

8 0

3 years ago