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Nataliya [291]
4 years ago
15

Any suggestions or answers

Mathematics
1 answer:
Kaylis [27]4 years ago
7 0
The correct answer is (20,-50)
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Solve 2x+y=2x please answer for me
Natasha_Volkova [10]
You must equal zero, so that way 2x can equal 2x
4 0
4 years ago
Sequence: 13, 11, 9, 7, ..<br> an = an-1 <br>a1 =​
TiliK225 [7]

Answer:

a

n

=

−

2

n

+

15

Step-by-step explanation:

This is an arithmetic sequence since there is a common difference between each term. In this case, adding

−

2

to the previous term in the sequence gives the next term. In other words,

a

n

=

a

1

+

d

(

n

−

1

)

.

Arithmetic Sequence:

d

=

−

2

This is the formula of an arithmetic sequence.

a

n

=

a

1

+

d

(

n

−

1

)

Substitute in the values of

a

1

=

13

and

d

=

−

2

.

a

n

=

13

+

(

−

2

)

(

n

−

1

)

Simplify each term.

Tap for more steps...

a

n

=

13

−

2

n

+

2

Add

13

and

2

.

a

n

=

−

2

n

+

15

4 0
3 years ago
Tabitha has a deck of cards numbered 1−10. She picks one card, puts it back in the deck and then chooses a second card. What is
Valentin [98]
First compute the whole number of the possibilities :
10*9=90.
Compute the number of favorable possibilities:
There is 5 even numbers. Once we pick an even number, 
we pick 5. So the number of the favorable possibilities is 5.
Now we compute the probability like this:
\frac{5}{90}
3 0
3 years ago
Read 2 more answers
write an equation to find the amount of simple interest, earned on a 600 dollar investment after 9 months, of the interest rate
tatuchka [14]

Equation:
A = P(1 + rt)
How to do it:
First, converting R percent to r a decimal
r = R/100 = 2.5%/100 = 0.025 per year,
putting time into years for simplicity,
9 months ÷ 12 months/year = 0.75 years,
then, solving our equation
A = 600(1 + (0.025 × 0.75)) = ___
What is it?
3 0
3 years ago
Simplify 4(x-y)-8(-7x+6y)
aliya0001 [1]
The answer is 60x-52y

Hope that helped!
8 0
3 years ago
Read 2 more answers
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