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barxatty [35]
3 years ago
5

What is the slope of y=2x+1

Mathematics
1 answer:
Eva8 [605]3 years ago
3 0

Answer:

2

Step-by-step explanation:

it is always the number before x, or the given variable

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Maria deposited 1200 in savings account for 5 years. The
fredd [130]

Answer:

compound interest would be,

1495.91

and simple interest would be,

1470

Step-by-step explanation:

compound interest would look like,

1200 x 1.045 x 1.045 x 1.045 x 1.045 x 1.045

and simple interest would look like,

1200 x 0.045 = 54 = 4.5%

54 x 5 = 270

1200 + 270 = 1470

6 0
2 years ago
Is 7/11 and 42/60 proportional?
il63 [147K]
No they arent proportional

6 0
3 years ago
The following describes a sample. The information given includes the five number summary, the sample size, and the largest and s
lys-0071 [83]

Answer:

L= Q_1 - 1.5*IQR = 210 -1.5*40 =150

U= Q_3 + 1.5*IQR = 250 +1.5*40 =310

And if we analyze the info provided we have 500 values

Tails: 160,165,167,171,175,...,268,269,269,269,270,270

So as we can see on the tails any values is <150 or >310 so then for this case we cannot consider as outliers any of the values on the tails of the distribution.

Step-by-step explanation:

For this case we have the 5 number summary

(160,210,220,250,270)

So then we have:

minimum = 160 , Q1 = 210, Q2= Median=220, Q3 = 250, Max=270

If we find the interquartile range we got:

IQR = Q_3 -Q_1 = 250-210 =40

For this case we need to find the lower and upper limit with the following formulas:

L= Q_1 - 1.5*IQR = 210 -1.5*40 =150

U= Q_3 + 1.5*IQR = 250 +1.5*40 =310

And if we analyze the info provided we have 500 values

Tails: 160,165,167,171,175,...,268,269,269,269,270,270

So as we can see on the tails any values is <150 or >310 so then for this case we cannot consider as outliers any of the values on the tails of the distribution.

4 0
4 years ago
Brooke found the equation of the line passing through the points (–7, 25) and (–4, 13) in slope-intercept form as follows.
Arturiano [62]

For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

y = mx + b

Where:

m: It's the slope

b: It is the cut-off point with the y axis

m = \frac {y2-y1} {x2-x1}

We have the following points:

(x1, y1): (- 7,25)\\(x2, y2): (- 4,13)

Substituting the values:m = \frac {13-25} {- 4 - (- 7)} = \frac {-12} {- 4 + 7} = \frac {-12} {3} = - 4

Thus, the line is of the form:

y = -4x + b

We substitute one of the points and find "b":

13 = -4 (-4) + b\\13 = 16 + b\\b = 13-16 = -3

Finally we have to:

y = -4x-3

Answer:

The equation es y = -4x-3

6 0
3 years ago
Read 2 more answers
the cost of three books and 2 pens is Rs.395 AND THE COST OF 2 BOOKS AND 5 PENS IS RS.355.FIND THE PRICES OF A BOOK AND A PEN
Alexandra [31]

Answer:

Assume as book to be x and pen to be y.

3x+2y=395 equation 1

2x+5y=355 equation 2

Make any variable either x or y to be equal.

3x*2+2y*2=395*2

2x*3+5y*3=355*3

Here, I am making x as same so I cross multiplied

6x+4y=790 equation 3

6x+15y=1065 equation 4

Put minus sign in any one of the equation 3 or equation 4 in order to cancel out x.

6x+4y=790

-6x-15y= -1065

0 - 11y= - 275

y= - 275/ - 11

y= 25

As we got y, we can put the value of y in equation 1 or equation 2.

3x+2y=395

3x+2*(25)=395

3x+50=395

3x=395-50

3x=345

x=345/3

x=115

As we assumed the book to x and pen to be y

price of book = Rs. 115

price of pen= Rs. 25

8 0
3 years ago
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