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grandymaker [24]

2 years ago

13

By what percent is the change of a price, if: The price was $100 and it is now $1250

1 answer:

almond37 [142]2 years ago

5 0

The increase is 1150 ... 11.5 times the original value, or 1150% of it. That's a big increase, and I would not buy that thing, whatever it is.

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Jernel has to figure out the area of her square garage. she knows that one side of the garage is equal to the length of her rabb

Setler [38]

10*10= 100

if 100 equals 1 side, then x = 4 sides

since there are 4 sides on a square you multiply 100 by 4

your answer is 400 units²

Hope this helps!!!

please rate, thank, and mark as brainliest!!!! :)

8 0

3 years ago

PLEASE MATH HELP ALGEBRA 1

S_A_V [24]

F(x) shows number of bees and g(x) shows number of flowers
f(x)=1500*(0.88)^n
g(x)=800-25n
n shows month
B)n=6
1500*(0.88)^6=696
800-25*6=800-150=650
c)it's hard to say because you should find n in this equation
1500*(0.88)^n=800-25n
but it seem n is between 6 and 7

3 0

3 years ago

Point R is located between points Q and S. Point R is located at (3, 2) and point S is located at (8, 15). If R is the midpoint,

Lubov Fominskaja [6]

Answer:

(5.5,8.5)

Step-by-step explanation:

(8+3)÷2=5.5

(15+2)÷2=8.5

7 0

2 years ago

Need help please!! Will give points

Nataly [62]

Answer:

1. $\bar X=5.10$

2. $\sigma=0.47$

3. $\sigma^2=0.22$

Step-by-step explanation:

<u>QUESTION 1</u>

The given data set for the expenditure is

$4.85,5.10,5.50,4.75,4.50,5.00,6.00$

The formula for calculating the mean is given by,

$\bar X=\frac{\sum x}{n}$

We need to add all the expenditure and divide by the total number of days.

$\bar X=\frac{4.85+5.10+5.50+4.75+4.50+5.00+6.00}{7}$

This gives us,

$\bar X=\frac{35.7}{7}$

$\Rightarrow \bar X=5.10$ to the nearest hundredth.

<u>QUESTION 2</u>

The standard deviation of the data set is given by the formula;

$\sigma =\sqrt{\frac{\sum(x-\bar X)^2}{n} }$

This implies that,

$\sigma =\sqrt{\frac{(4.85-5.10)^2+(5.10-5.10)^2+(5.50-5.10)^2+(4.75-5.10)^2+(4.50-5.10)^2+(5.00-5.10)^2+(6.00-5.10)^2}{7} }$

This will give us,

$\sigma =\sqrt{\frac{(-0.25)^2+(0.00)^2+(0.40)^2+(-0.35)^2+(-0.60)^2+(-0.10)^2+(0.90)^2}{7} }$

$\sigma =\sqrt{\frac{0.0625+0+0.16+0.1225+0.36+0.01+0.81}{7} }$

$\sigma =\sqrt{\frac{61}{280} }$

$\sigma =0.466775$

to the nearest hundredth,

$\sigma =0.47$ .

<u>QUESTION 3</u>

The variance is the square of the standard deviation.

$\sigma^2 =(0.46675)^2$

$\sigma^2 =0.217857$

To the nearest hundred gives,

$\sigma^2 =0.22$

3 0

3 years ago

Please help me I’m timed

Elan Coil [88]

The equation of the line in slope intercept form is y = -6x - 4

<h3>How to determine the equation of the line?</h3>

From the graph;

The line passes through the following points

(-1, 2) and (-2, 8)

The slope of the line is

m =(y2 - y1)/(x2 - x1)

So, we have

m = (8 - 2)/(-2 + 1)

Evaluate

m = -6

The equation of the line is

y = m(x - x1) + y1

So, we have

y = -6(x + 1) + 2

Evaluate

y = -6x - 4

Hence, the equation of the line in slope intercept form is y = -6x - 4

Read more about linear equations at:

brainly.com/question/2226590

#SPJ1

8 0

1 year ago