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DedPeter [7]
2 years ago
7

Day, everything at a store is on sale. The store offers a 20% discount.

Mathematics
1 answer:
Nutka1998 [239]2 years ago
4 0

Answer:

$14.40

Step-by-step explanation:

$18-20%=$14.40

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13, 5, 4, 9, 7, 14, 4 The deviations are _____.
fenix001 [56]

Answer:

B."5, -3, -4, 1, -1, 6, -4"

Step-by-step explanation:

We are given that

13,5,4,9,7,14,4

We have to find the deviation.

Mean=\frac{sum\;of\;data}{total\;number\;of\;data}

Using the formula

Mean,\mu=\frac{13+5+4+9+7+14+4}{7}

Mean,\mu=\frac{56}{7}=8

Deviation=x_i-\mu

         x_i-\mu

13          5

5           -3

4           - 4

9            1

7             -1

14            6

4            - 4

Hence, option  B is correct.

7 0
3 years ago
Length of one side of perimeter of amequliateral triangle 66m
allsm [11]
The answer is not right i just need the time or what ever2
5 0
3 years ago
Need HELP now please! It’s for my HW that’s due! I will mark BRAINLIEST to the RIGHT ANSWER!
Eva8 [605]

Answer:

The first should be (x+6, y-(-10).

The others, not sure but you have to plug them in.

4 0
3 years ago
Read 2 more answers
Which option shows the following fractions written with a common<br>denominator?<br>8/9 and 3/8​
Mumz [18]

Answer:

72

Step-by-step explanation:

8/9 + 3/8

Multiply the denominators to get the common denominator

9x8 = 72.

4 0
3 years ago
Find the axis of symmetry and the vertex of the graph of f(0) = 4x^2 - 8x +3.
olganol [36]

Answer:

Vertex: (1,-1)

Symmetry: x = 1

Step-by-step explanation:

y = 4x² - 8x + 3

y = 4(x² - 2x) + 3

y = 4[x² - 2(x)(1) + 1² - 1²] + 3

y = 4(x - 1)² - 1

In y = a(x - h)² + k,

(h,k) is the vertex

And a vertical line passing through the vertex is the line of symmetry, i.e x = h.

Vertex: (1,-1)

Symmetry: x = 1

6 0
3 years ago
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