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yanalaym [24]
3 years ago
6

What are the first four terms in the multiplication, or geometric, pattern in which the first term is 7 and then each term is mu

ltiplied by 4?
7, 28, 112, 448

7, 28, 56, 112

7, 11, 15, 19

28, 112, 448, 1792
Mathematics
1 answer:
alexgriva [62]3 years ago
7 0
They tell you that the first term is 7 so that cancels out the last answer choice immediately. Then they tell you that each term is multiplied by 4 so when you multiply 7x4 you get 28. This cancels out the second to last answer. Then keep multiplying by 4. 28x4 is 112. 112x4 is 448.
Therefore, the obvious answer is the first choice!
<span>7, 28, 112, 448</span>
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Can someone help me? I’ll do anything
Temka [501]

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a^2 + b^2 = c^2.

In our problem,

a = 3

b = ?

c = 6.5

(3)^2 + b^2 = (6.5)^2

Simplify the left and right side.

9 + b^2 = 42.25.

Subtract 9 from each side

b^2 = 33.25.

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8 0
3 years ago
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Prove that the sum of three successive even integers is always a multiple of 6.​
zlopas [31]

Answer:

if you see three consecutive numbers you can figure out that at least one of them is divisible by 6

Step-by-step explanation:

you can use mathematical induction by proving it mathematically. for a number to be divisible by 6, it should be divisible by 2. Since all are even numbers the number will be divisible by 2.

5 0
3 years ago
Builders are covering a wall that is 4 meters tall and 7 meters wide with bricks. They will cover the entire wall except for a s
marin [14]

Answer:

24 m^2

Step-by-step explanation:

There are two areas to consider here:  first, the area of the wall, and second, the area of the window.  We answer this question by finding these two areas and subtracting the area of the window from the area of the wall.

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3 0
3 years ago
I keep getting this wrong, please help me
Marat540 [252]

Answer:

Step-by-step explanation:

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8 0
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​ A sample of n = 9 college students is used to evaluate the effectiveness of a new Study Skills Workshop. Each student’s grade
forsale [732]

Answer:

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Step-by-step explanation:

The confidence interval is given by:

MD±t_{\alpha/2, n-1} \frac{s}{\sqrt{n} }

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Then the confidence interval is

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μD=0.60±0.10*(1.397)

6 0
3 years ago
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