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Oksana_A [137]
3 years ago
8

Use the explicit formula an=a1+(n-1)

Mathematics
1 answer:
Anestetic [448]3 years ago
4 0
See the attached picture for the solution:

You might be interested in
Which set of points would result in a slope of 1/4
8090 [49]

Answer:

C) ( 8,2) and (4,1)

The slope of the line

         m = \frac{1}{4}

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given that the set of points ( 8,2) and (4,1)

ThesSlope of the line

             m = \frac{y_{2}-y_{1}  }{x_{2} -x_{1} }

             m = \frac{1-2  }{4-8 }= \frac{-1}{-4} = \frac{1}{4}

The slope of the line

         m = \frac{1}{4}

4 0
3 years ago
How much change should Mack get back when he uses $20.00 to pay for purchases totaling $14.35?
snow_tiger [21]

Answer:

5

Step-by-step explanation:

i anserwed it on the test

5 0
3 years ago
It costs $3.45 to buy 34 lb of chopped walnuts. How much would it cost to purchase 7.5 lbs of walnuts? GIVING BRAINLIEST *URGENT
lesantik [10]

<u>Answer:</u>

$0.75

<u>Step-by-step explanation:</u>

$3.45 ÷ 34 lb. = $0.10 per pound (rounded)

$0.10 x 7.5 = $0.75

It would cost $0.75 to buy 7.5 lbs of chopped walnuts

<em>I'm sorry if wrong! You are loved and you are beautiful/handsome!</em>

-Bee

7 0
3 years ago
Read 2 more answers
Solve system by elimination<br> y=x^2<br> y=x+2<br> SHOW YOUR WORK
Dimas [21]
We have that
y=x²----> equation 1<span>
y=x+2-----> equation 2

multiply equation 1 by -1
-y=-x</span>²

add equation 1 and equation 2
-y=-x²
 y=x+2
------------
0=-x²+x+2-------------> -x²+x+2=0-----> x²-x-2=0

Group terms that contain the same variable, and move the constant to the opposite side of the equation

(x²-x)=2
<span>Complete the square. Remember to balance the equation by adding the same constants to each side
</span>(x²-x+0.5²)=2+0.5²

Rewrite as perfect squares

(x-0.5)²=2+0.5²
(x-0.5)²=2.25-----> (x-0.5)=(+/-)√2.25-----> (x-0.5)=(+/-)1.5
x1=1.5+0.5-----> x1=2
x2=-1.5+0.5---- > x2=-1

for x=2
y=x²----> y=2²----> y=4
the point is (2,4)

for x=-1
y=x²----> y=(-1)²---> y=1
the point is (-1,1)

the answer is
the solution of the system are the points
(2,4) and (-1,1)


3 0
4 years ago
URGENT!!!!!!!!!!!!!! help please!!!
Vaselesa [24]
It would be d I believe
8 0
3 years ago
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