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3 years ago

Can someone help please!

Mathematics

2 answers:

Tcecarenko [31]3 years ago

7 0

Answer:

7*(1/10)= the third one

Step-by-step explanation:

Mademuasel [1]3 years ago

6 0

Answer:

I am here to save you!!!!

Step-by-step explanation:

It's the third one

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The explicit formula for a sequence is<br> an=−2+3/2(n−1)<br> What is the 21st term of the sequence?

Anni [7]

Step-by-step explanation:

From the given question it appears that (n-1) is in the numerator's place, if it is so, then let us solve it.

$a_n = - 2 + \frac{3}{2}(n - 1) \\ \\ \therefore \: a_{21} = - 2 + \frac{3}{2} (21 - 1) \\ \\ \therefore \: a_{21} = - 2 + \frac{3}{2 } \times \: 20\\ \\ \therefore \: a_{21} = - 2 + 3 \times \: 10 \\ \\ \therefore \: a_{21} = { -2 + 30} \\ \\ \therefore \: a_{21} = 28 \\ \\ \huge \red{ \boxed{\therefore \: a_{21} = 28} } \\ \\$

8 0

3 years ago

Classify each system and determine the number of solutions

dsp73

Divide both sides of the equation by - 3
-8x+9y= - 14
-9y+8x=14
simplify the expression
-8x+9y=-14
8x-9y=14
then solve the equation for y
y=-14/9+8/9x
substitute the given value in the ordered pair (x, y)

8 0

3 years ago

Please help asap !!!!!!

KIM [24]

Answer:

w = 6

Step-by-step explanation:

Based on the midsegment theorem:

ST = 2(PR)

ST = w + 6

PR = w

Plug in the values into the equation

w + 6 = 2(w)

w + 6 = 2w

6 = 2w - w

6 = w

w = 6

5 0

2 years ago

On a video game Julie earns 150 points for each gold bars she captures if S represents Julie's total score and B represents the

Vitek1552 [10]

The answer is A its really eary

4 0

1 year ago

If x+3/3=y+2/2 then x/3 =

Andru [333]

Answer:

= y/2

Step-by-step explanation:

(x+3)/3 = (y+2)/2

x/3 + 1 = (y+2)/2

x/3 = (y+2)/2 - 1

= (y+2-2)/2

= y/2

hope this helped(:

6 0

3 years ago