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ahrayia [7]
2 years ago
10

What are the first four terms of the sequence an=n2+4

Mathematics
1 answer:
Igoryamba2 years ago
7 0

Step-by-step explanation:

Given formula

an = n² + 4

Now the first four terms of the sequence are

a1 = 1² + 4 = 5

a2 = 2² + 4 = 4 + 4 = 8

a3 = 3² + 4 = 9 + 4 = 13

a4 = 4² + 4 = 16 + 4 = 20

The terms are

5 , 8 , 13 and 20.

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A chocolate shop sold 1 1/4 ounces of white chocolate. It sold 8 1/4 times as much milk chocolate as white chocolate. How many o
rjkz [21]

Answer:

10.3125 (NOT  ROUNDED)

Step-by-step explanation:

1. I changed it to decimals. 1/4 can easily be changed into a decimal.

2. I set 1/4 = x/100. Then cross multiplied. That would give you 4x = 100.

3. Now you would simplify that. x would be 25. So its 25/100 wich then turns to .25.

4. Now you are going to replace them so it would be 1.25 and 8.25.

5. To find out how much milk chocolate there was you would multiply 1.25 and 8.25.

6. That's your final answer

6 0
3 years ago
24 is 40% of what number? please show me the steps also.
ella [17]
Answer:

1) 24 is <span>40%</span> of 60

<span><span>2) (.4)100x</span>=24</span>

<span><span>3) 25</span>x=24</span>

<span><span>4) 25</span>x⋅5=24⋅5</span>

<span>5) 2x=120</span>

<span><span><span>6) 2x/</span>2</span>=<span>120/2</span></span>

<span>7) x=<span>60</span></span>

4 0
2 years ago
explain how you would find how many 1 1/2 cups servings there are in the pot that cantains 22 1/2 cups of soup
galina1969 [7]

Answer:

43 is how many 1/2 cup servings there are in 22 1/2.

7 0
2 years ago
Will give brainliest answer
ArbitrLikvidat [17]

Answer:

  • 180°

Step-by-step explanation:

Connecting any point of original figure with the same of the image

For example point C with C'

The line goes through the origin (0, 0)

<u>And the coordinates changed as:</u>

  • (x, y) → (-x, -y)

It means the rotation is 180°

4 0
3 years ago
Which functions have an additive rate of change of 3? Select TWO options
Pachacha [2.7K]

Answer:

Second table.

Step-by-step explanation:

A function has an additive rate of change if there is a constant difference between any two consecutive input and output values.

The additive rate of change is determined using the slope formula,

m =  \frac{y_2-y_1}{x_2-x_1}

From the first table we can observe a constant difference of -6 among the y-values and a constant difference of 2 among the x-values.

m =  \frac{ - 9- - 3}{4-2}  =  - 3

For the second table there is a constant difference of 3 among the y-values and a constant difference of 1 among the x-values.

The additive rate of change of this table is

m =  \frac{ - 1 -  - 4}{3 - 1}  = 3

Therefore the second table has an additive rate of change of 3.

5 0
3 years ago
Read 2 more answers
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