Write an equation of the line with the given slope, m, and y-intercept (0,b).

m = 4, b = 9

Answer:

There is a 16% chance of the spinner dropping on a blue section on the first spin and then a blue section of the second spin.

Step-by-step explanation:

Given that I spin a spinner that is equally divided into 5 parts, and then I spin it again, knowing that 1 part is pink, 2 parts are blue, and 2 parts are black, to determine what is the probability of the spinner dropping on a blue section on the first spin and then a blue section of the second spin the following calculation must be performed:

Blue parts: 2

Total Parts: 5

2/5 = 0.4 = 40%

0.40 x 0.40 = 0.16

Thus, there is a 16% chance of the spinner dropping on a blue section on the first spin and then a blue section of the second spin.

Answer:

Part a [5522.3511 ; 5727.8488]

Part b. The p-value is 0.050115.

The H0 is rejected and concluded that the true mean life of a biomedical device is greater than 5500.

Step-by-step explanation:

The 95 % confidence interval for the mean of the population is given by

∝= 1- 0.95= 0.05

υ= n-1= 15-1= 14

x`± t ∝() s / √n

5625.1 ± { t (0.05) (14)} 226.1 / √15

5625.1 ± 1.76 * 226.1/3.8729

5625.1 ± 102.7488

[5522.3511 ; 5727.8488]

Part b

State the null and the alternate hypothesis

H0: u= 5500  against the claim Ha: u > 5500

the test statistic

t= x`- u/ s/ √n

t= 5625.1-5500/226.1 / √15

t=2.143

The p-value is 0.050115.

The result is not significant at p < 0.05.

The H0 is rejected and concluded that the true mean life of a biomedical device is greater than 5500.

Answer:

The animal farm should buy 1.775 bags of soybeans and 1.575 bags of oats

[tex]Cost = 51.275[/tex]

Step-by-step explanation:

The given parameters can be summarized as:

[tex]\begin{array}{cccc}{} & {x} & {y} & {Total} & {Protein} & {70} & {21} & {168} &{Fats}& {9} & {7} & {27} & {Minerals} & {7} & {1} & {14}& {Cost} & {21} & {7} & {} \ \end{array}[/tex]

Where: x = Soybeans and y = Oats.

So, the system of equations are:

[tex]70x + 21y = 168[/tex]

[tex]9x +7y = 27[/tex]

[tex]7x + y = 14[/tex]

[tex]Cost = 21x + 7y[/tex]

The best way to solve this, is using graph

Plot the following equations on a graph, and get the points of intersection:

[tex]70x + 21y = 168[/tex]

[tex]9x +7y = 27[/tex]

[tex]7x + y = 14[/tex]

From the attached graph, we have:

[tex](x_1,y_1) = (1.636,2.545)[/tex]

[tex](x_2,y_2) = (1.775,1.575)[/tex]

[tex](x_3,y_3) = (2.023,1.256)[/tex]

Substitute each of the values of x's and y's in the cost function to get the minimum cost:

[tex]Cost = 21x + 7y[/tex]

[tex](x_1,y_1) = (1.636,2.545)[/tex]

[tex]Cost = 21 * 1.636 + 7 * 2.545[/tex]

[tex]Cost = 52.171[/tex]

[tex](x_2,y_2) = (1.775,1.575)[/tex]

[tex]Cost = 21 * 1.775 + 7 * 1.575[/tex]

[tex]Cost = 48.3[/tex]

[tex](x_3,y_3) = (2.023,1.256)[/tex]

[tex]Cost = 21 * 2.023 + 7 * 1.256[/tex]

[tex]Cost = 51.275[/tex]

The values of x and y that gives the minimum cost is:

[tex](x_2,y_2) = (1.775,1.575)[/tex]

and the minimum cost is:

[tex]Cost = 48.3[/tex]

Hence, the animal farm should buy 1.775 bags of soybeans and 1.575 bags of oats

Answer:

[tex]\sqrt{149}[/tex]

Step-by-step explanation:

Answer:

a^2 plus b^2 = c^2

Step-by-step explanation:

That's the Pythagorean theorem apply.

Answer:

31x=217     x=7

Step-by-step explanation:

begin with what you know. You know that you will have 31 days to complete the goal and that the goal is 217 miles. This gives you your y (217) and your m (31). Then set up into y=mx+b form. This gives 31x=217. Then to solve divide 217 by 31. This gives the needed the needed answer of 7 miles per day  

Answer:

9/2

Step-by-step explanation:

4.5 = 4 1/2 = 9/2

Answer:

Step-by-step explanation:

On the left side of the chart, is the x values. The x values are listed on the x axis which is the horizontal line.

The right side of the chart are the y values. The y values are listed on the y axis which is the vertical line.

Knowing this, we can start

First, for all the answer that we know the x value, we need to find the number that matches on the x axis. Once we find that number, we go up or down on the y axis until we find the line.

If we know the y value, we need to find the number that matches on the y axis. Then we will go right until we find the line.

Remember - There CAN NOT be two y values for the same x value but THERE CAN BE two x values for the same y value

[tex]1) \longrightarrow\boxed{ \bf \: Vertical \: angles} \: ( \sf \: they \: share \: the \: same \: vertex) \\ 2) \longrightarrow\boxed{\bf \: Adjacent \: angles} \: ( \sf \: they \: are \: located \: next \: to \: each \: other)[/tex]

Answer:

You didnt add a question, file or possible answer choices

Answer:

The store owner must use 18 pounds of the 45 ¢ pasta.

Step-by-step explanation:

Given that a store owner has 12 pounds of pasta worth 70 ¢ a pound, and she wants to mix it with pasta worth 45 ¢ a pound so that the total mixture can be sold for 55 ¢ a pound, to determine how much of the 45 ¢ pasta must she use, the following calculation must be performed:

100 x 0.7 + 0 x 0.45 = 70

90 x 0.7 + 10 x 0.45 = 67.5

50 x 0.7 + 50 x 0.45 = 57.5

40 x 0.7 + 60 x 0.45 = 55

40 = 12

60 = X

60 x 12/40 = X

720/40 = X

18 = X

Thus, the store owner must use 18 pounds of the 45 ¢ pasta.

Answer:

she bought 4 large frames and 14 small frames!

Step-by-step explanation:

This is a system of equation problem!

let's say that x= large frames and y=small frames.

since there's 18 total, we already have our first equation set.

x+y=18

(number of large frames) + (number of small frames)= 18

13x would represent the large frames because each one is 13 dollars.

6y would represent the small frames because each one is 6 dollars.

Since she paid 136 dollars total, we can already tell that

13x+6y=136

(price of large frames*number of large frames) + (price of small frames*number of small frames)=136.

Now, time for the math!

Attached below is how you would work it out using substitution.

Hope this helps!

x=4 and y=14

Meaning that she bought 4 large frames and 14 small frames!

Answer:

Answer and steps are in picture.

Answer:

8

Step-by-step explanation:

base x height / 2 = the area

4 x h / 2 = 16

h = 8

so x is 8

Answer:

8

Step-by-step explanation:

i just took the quiz

Answer:

4x^4-12x^3+16x^2

Step-by-step explanation:

(-4x+4)(x^3+4x^2)

a      b    c      d

using foil method multiply

term a by term c and d

-4x * x^3= -4x^4

-4x * 4x^2= -16x^3

*dont forget to add the exponents, when x is by itself you it always has an imaginary 1

then multiply term b by term c and d

4 * x^3= 4x^3

4 * 4x^2= 16x^2

line up all of your answers from biggest exponent to smallest

-4x^4-16x^3+4x^3+16x^2

we can combine like terms with -16x^3 and 4x^3 becaus ethey have the same exponent value

4x^4-12x^3+16x^2

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 50.24

Explanation:

3.14(4)^2 = 50.24

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer:  A=50.2

Step-by-step explanation:

using 3.14 as pie...

A=3.14[tex]r^{2}[/tex]

A=3.14x[tex]4^{2}[/tex]

A=3.14x16

A=50.24

rounding to nearest tenth..

A=50.2

Answer:

$125.42

Step-by-step explanation:

Her grandparents will cover 65% of $8600, which is 8600 * 0.65 = $5590. Therefore, she needs to pay for the part they're not covering, which is $8600 - $5590 = $3010.

2 years = 24 months, so assuming she wants to save the same amount each month, we need to divide $3010 by 24 to get the amount per month. This gets us $125.42

The minimum amount that she should save each month for two years is $125.42.

Percentage can be described as a fraction out of an amount that is usually expressed as a number out of hundred.

Amount given by her grandparents = 65% x 8600= $5590

Amount she would have to save each month for two years = (8600 - $5590) / 24 = $125.42

To learn more about percentages, please check: https://brainly.com/question/25764815

Answer:

1/4

Step-by-step explanation:

total balls=7+4+4+5=20

probability of green marble=?

green marbles are 5 so,

       Probability=number of favourable outcomes / number of all possible outcomes

   total outcomes=20

green ball chances=5

       =5/20

          =1/4

Answer:

c

Step-by-step explanation:

blocking is not used in this experiment

Answer:

61

Step-by-step explanation:

it's only 1 number difference

Answer:

Present Perfect Tense Examples

Has lived: She has lived here all her life.

Have written: They have written three letters already.

Have worked: I have worked here since I graduated school.

Has done: He has finished his homework.

Have been: We have been to Canada.

Has forgotten: She has forgotten her folder.

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

The box has to go from the first to the third quartile and that one does and c isn't correct because the line isn't at the median.

Answer:

obtuse angle,acute angle,right angle,straight angle hope it helps

Answer:

The measure of the sides is 20 cm.

Step-by-step explanation:

Opposite side of a parallelogram:

Opposite sides of a parallelogram are congruent, that is, they have the same measure.

Measures (2x+10) cm and (x+15) cm:

This means that:

[tex]2x + 10 = x + 15[/tex]

[tex]2x - x = 15 - 10[/tex]

[tex]x = 5[/tex]

2x + 10 = 2*5 + 10 = 10 + 10 = 20

The measure of the sides is 20 cm.

Answer:

v=53

Step-by-step explanation:

90-37=53

Answer:

100 beads for $2.95

Step-by-step explanation:

This is because the unit cost per item if you buy 100 beads for $2.95 would be $0.03

Answer:

A

Step-by-step explanation:

I just did it and it was the correct answer !