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Digiron [165]
3 years ago
15

Which equation can be used to solve this problem. 495 is 55 percent of what?

Mathematics
2 answers:
OleMash [197]3 years ago
6 0

Answer:

it is A

Step-by-step explanation:

bc i got it right

Lapatulllka [165]3 years ago
4 0

Answer:

the first answer is correct.

Step-by-step explanation:

Because 55x1/495 is equal to the numbers in the equation and also because 55x1 is 55 over 495, or 55\495

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Write the equation of the line in either point-slope form or slope-intercept form.
DedPeter [7]

Answer:

y = -3x + 0.25

Step-by-step explanation:

A line has the following slope-intercept equation:

y = ax + b

In which a is the slope.

Write the equation of a line that has a slope of -3 and passes through the point (1.25, -4).

Slope of -3 means that a = -3. So

y = -3x + b

Passes through the point (1.25, -4). Means that when x = 1.25, y = -4

-4 = -3*1.25 + b

b = -3*1.25 + 4

b = 0.25

So

y = -3x + 0.25

3 0
3 years ago
Read 2 more answers
A triangular pane of glass has a height of 40 inches and an area of 400 square inches. What is the length of the base of the pan
Rudik [331]

Answer: 10 inches

Step-by-step explanation: 400/40 = 10 inches

3 0
3 years ago
Consumer Reports uses a 100-point customer satisfaction score to rate the nations major chain stores. Assume that from the past
zzz [600]

Answer:

(A) Mean = 84

(B) Variance = 118.714

(C) Standard deviation = 10.89

Step-by-step explanation:

Data provided:

number of observations, n = 15

sample of 15 costco customer satisfaction scores follow

X                 X-\bar{X}           (X-\bar{X})^2

95                   11                   121

90                   6                   36

83                   -1                   1

64                   -20                400

95                   11                   121

98                   14                  196

80                   -4                     16

83                   -1                       1

82                   -2                     4

93                   9                     81

86                   2                       4

80                   -4                     16

94                   10                     100

75                   -9                      81

62                   -22                   484

================================================

                   ∑X = 1260         ∑= 1662

Now,

(A) Mean = \frac{\textup{Sum of all observations}}{\textup{Total number of observations}}

or

Mean =  \frac{\textup{1260}}{\textup{15}}  = 84

(B) Variance = \frac{\sum(X-\bar{X})^2}{n-1}

or

Variance = \frac{1662}{15-1}

or

Variance = 118.714

(C) Standard deviation = √Variance = √118.714 = 10.89

7 0
3 years ago
You might need:
slega [8]

Answer:

its B 2<-2

Step-by-step explanation:

6 0
3 years ago
3 (m + 2) can be solved using the disrtibutive property to get
gulaghasi [49]
Answer:3m + 6

i distributed 3 to everything in the parenthesis ( parenthesis=multiply) and 3•m=3m and 3•2=6 so your final equation should be 3m+6
7 0
3 years ago
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