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Lorico [155]
3 years ago
9

Which rule will find the nth term of the arithmetic sequence -58,-65, -72. -86,...?

Mathematics
1 answer:
Olenka [21]3 years ago
4 0

Answer:

-85n - 7  = -92

Step-by-step explanation:

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A 26-inch pice of steel is cut into three pieces so that the second piece is twice as long as the first piece, and the third pie
Arisa [49]

your answer will be 2 inch for the first piece 4 inch for the second piece 20 inch for the last piece

6 0
3 years ago
Need help with 6th grade math
Arada [10]

1 kilogram of baking soda costs $4.5

Step-by-step explanation:

To solve this problem, we will follow the steps bellow:

Using proportion;

Let x be the cost of 1 kg of baking soda

kilogram = $ 2

1 kilogram  = x

Cross - multiply

 ×  x  = $2  ×   1

 ×  x    = $2

= $2

Multiply both-side of the equation by 9

× 9= $2 × 9

At the left-hand side of the equation 9 will cancel-out 9, hence our equation becomes

4x = $18

Divide both-side of the equation by 4

 = $

x   = $4.5

1 kilogram of baking soda costs $4.5

Step-by-step explanation:

7 0
3 years ago
In hopes of encouraging healthier snacks at school, Leah brought in a tray of carrot sticks
aleksandr82 [10.1K]

Answer:

40 %  of the snacks were carrot sticks.

Step-by-step explanation:

Total number of carrot sticks in lunch = 18

Total number of apple slices in lunch = 27

So, Total Snacks in the Lunch = Carrot Sticks + Apple Slices

                                                   = 18 +  27 = 45

Now, \textrm{Percentage of Carrot Sticks}  = \frac{\textrm{The number of Carrot sticks in lunch}}{\textrm{Total snacks in the lunch}}  \times 100

= \frac{18}{45}  \times100 = 40

⇒Percentage of Carrot Sticks = 40%

Hence, 40 %  of the snacks were carrot sticks.

6 0
3 years ago
The sum of two trinomials is 7x2 - 5x + 4. If one of the trinomials is 3x2 + 2x - 1, then what is the other trinomial?
allsm [11]
Total=sum of parts
Total= trinomial 1 + trinomial 2
Also, total - trinomial 1=trinomial 2

7x² - 5x + 4 -(3x² + 2x - 1)=missing trinomial
7x²-5x+4+(-1 )(3x²+2x-1 ) distribution of -1
7x²-5x+4+(-1)(3x²)+(-1)(2x)-(-1)(1)
7x²-5x+4-3x²-2x+1 simplified
7x²-3x²-5x-2x+4+1 commutative
4x²-7x+5 SOLUTION
4 0
3 years ago
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Step-by-step explanation:

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3 years ago
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