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denis-greek [22]
3 years ago
13

Which of the following is an arithmetic sequence where a1 = 9 and d= 7?

Mathematics
1 answer:
Korvikt [17]3 years ago
4 0

Answer:

B.

Step-by-step explanation:

9 is the first term then we keep adding  common difference d = 7 to get the rest of the terms.

9, 9 + 7, 9 + 7 + 7,   and so on.

= 9, 16, 23, 30, 37......

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Use the two-way table below to create a relative frequency table. Remember to round to the nearest percent.
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I don’t understand?
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What is the area of the polygon ?
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Answer:

C)  99 in²

Step-by-step explanation:

you can divide this shape by drawing a horizontal line to create a 4x12" rectangle and a trapezoid with a height of (10-4) in and bases of 12 and 5"

area of rectangle:  12 x 4 = 48

area of trapezoid:  1/2(6)(12+5) = 3(17) = 51

total area = 48 + 51

total area = 99 in²

7 0
3 years ago
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What is. 3/4x - 2/3x - 4 = 1/6x - 7<br><br> I give Brainliest!
Lady bird [3.3K]

Answer:

x = 36

Step-by-step explanation:

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4 0
3 years ago
Y = x^2+ 7x - 5 can be written in the form y = (x + a)^2+b
BARSIC [14]

Answer:

see explanation

Step-by-step explanation:

The equation of a parabola in vertex form is

y = (x - h)² + k (h, k) are the coordinates of the vertex

Given y = x² + 7x - 5

To express in vertex form use the method of completing the square

add/subtract ( half the coefficient of the x- term )²

y = x² + 2( \frac{7}{2} )x +\frac{49}{4} - \frac{49}{4} - 5

y = (x + \frac{7}{2} )² - \frac{49}{4} - \frac{20}{4}

y = (x + \frac{7}{2} )² - \frac{69}{4}

Hence

a = \frac{7}{2} and b = - \frac{69}{4}

8 0
3 years ago
Find the area of the square
butalik [34]

Answer:

13 units^2

Step-by-step explanation:

one side of the square =

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= \sqrt{13}*

= 13

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3 years ago
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