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MA_775_DIABLO [31]
3 years ago
12

Which of these formulas models this arithmetic sequence? 4, 15, 26, 37, 48, . . .

Mathematics
2 answers:
Musya8 [376]3 years ago
7 0

it adds 11 to each number, 4+11+=15, 15+11=26, 26+11=26 and it keeps going

salantis [7]3 years ago
7 0

Answer:

an = 4 + (n – 1) × 11

Step-by-step explanation:

Hope this helped :)

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A box of cereal states that there are 81 calories in a 7-cup serving. What is the unit rate for calories
mr_godi [17]

Answer:

23.142857143 calories or 23 1/7 calories

The unit rate is calories per cup

Step-by-step explanation:

7- cup serving = 81 calories

2 cups = x calories

Cross Multiply

2 cups × 81 calories = 7 cups × x

x = 2 cups × 81 calories/7 cups

x = 23.142857143 calories or 23 1/7 calories

5 0
3 years ago
Find the area of a circle if its circumference is 10 pi
AleksandrR [38]

Answer:

25π

Step-by-step explanation:

pi's symbol is π, which will be used sometimes to make it easier later

The circumference is equal to diameter multiplied by pi. (Diameter is the length across the circle, radius the center of the circle to an edge point aka. half the diameter, and circumference is the edge length aka. perimeter of the circle.)

We can then remove the pi off the 10, as the diameter multiplied by pi is the circumference, so the diameter is 10.

Half of 10 is 5, the radius.

The formula for area of a circle is radius squared times pi, remember easily by π r ^2

We can plug in the radius into the formula to get

π 5 ^2

And finish it by solving the square root to get

π 25

25π

8 0
3 years ago
What's the pattern?<br> 1,2,4,8,16.....
Inessa05 [86]
You have to add the last number to itself. So the next number would be 32 because 16 + 16 equals 32. Then you add 32 + 32 so the next number would be 64
1, 2, 4, 8, 16, 32, 64, 128
7 0
3 years ago
What is the factorization of the trinomial -x2 - 2x +48​
Whitepunk [10]

The answer will be 48x

5 0
3 years ago
Amy works for 36 hours per week for 10 weeks during the summer, making $\$3000$. If she works for 30 weeks during the school yea
Zinaida [17]

Answer:

12 hours per week

Step-by-step explanation:

1. Find how many hours she worked to make $3,000 (36x10=360 hours)

2. divide 360 hours by 30 weeks

she would need to work 12 hours per week to make $3,000

6 0
3 years ago
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