Mhanifa please help these 2 are confusing :( I will mark brainliest

Answer:

C. 7

General Formulas and Concepts:

Algebra I

Slope-Intercept Form: y = mx + b

Step-by-step explanation:

Step 1: Define

y = 7x + 3

Step 2: Break Function

Identify Parts

Slope m = 7

y-intercept b = 3

Answer: All you have to do is since one batch needs 1 1/3 cup of walnuts multiply 1 1/3 to 3 3/4 = 3 1/4 cups

Step-by-step explanation:

Answer:

8x² - 14x - 15

Step-by-step explanation:

(4x + 3)(2x - 5)

8x² - 20x + 6x - 15

8x² - 14x - 15

Answer:

Step-by-step explanation:

Use FOIL, first outside inside last.

4x*2x - 5*4x + 3*2x - 3*5

[tex]8x^2-20x+6x-15\\8x^2-14x-15\\[/tex]

Answer:

C=F/M

C=2640/75

C=35.20

$35.20 Per Band Member

Step-by-step explanation:

C= Cost Per Band Member

F = Food and Bus Cost

M = Band Members

Answer:

The answer is 32.2 (35 with ramainder of 15)

Step-by-step explanation:

THE ANSWER IS 35 WITH REMAINDER OF 15

Answer: 478161

Step-by-step explanation:

Answer:

7(3e+5) alternative form 92.08392

Step-by-step explanation:

Answer:

a) 0.0013 = 0.13% probability that by 7:30 a.m. Mary receives exactly four messages – two of her best friend and two of her mother.

b) [tex]1.6 \times 10^{-9}[/tex] probability that there are no typos in the text messages Matilda receives between 2 p.m. and 5 p.m.

Step-by-step explanation:

Poisson distribution:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

[tex]P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}[/tex]

In which

x is the number of sucesses

e = 2.71828 is the Euler number

[tex]\mu[/tex] is the mean in the given interval.

A) Find the probability that by 7:30 a.m. Mary receives exactly four messages – two of her best friend and two of her mother.

Two from the best friend:

Her best friend sends a message once every 10 minutes.

From 6 to 7:30, there is an hour and a half, that is, 90 minutes, so the mean for her best friend is [tex]\mu = \frac{90}{10} = 9[/tex]

Two messages is P(X = 2). So

[tex]P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}[/tex]

[tex]P(X = 2) = \frac{e^{-9}*9^{2}}{(2)!} = 0.0050[/tex]

Two from the mother:

Message every hour = 60 minutes. So [tex]\mu = \frac{90}{60} = 1.5[/tex]. This is P(X = 2).

[tex]P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}[/tex]

[tex]P(X = 2) = \frac{e^{-1.5}*1.5^{2}}{(2)!} = 0.2510[/tex]

Two of her best friend and two of her mother:

Independent events, so the probability of both happening is the multiplication of their separate probabilities.

[tex]p = 0.005*0.251 = 0.0013[/tex]

0.0013 = 0.13% probability that by 7:30 a.m. Mary receives exactly four messages – two of her best friend and two of her mother.

B) With a chance of 75% a text message contains a typo independent of the sender. Find the probability that there are no typos in the text messages Matilda receives between 2 p.m. and 5 p.m.

In 3 hours, she is expected to receive:

3*60/10 = 18 messages from her best friend.

3*60/60 = 3 messages from her mother.

3*60/30 = 6 messages from her brother.

In total, 27 messages.

75% probability of a typo, so [tex]\mu = 0.75*27 = 20.25[/tex]

This is P(X = 0).

[tex]P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}[/tex]

[tex]P(X = 0) = \frac{e^{-20.25}*20.25^{0}}{(0)!} = 1.6 \times 10^{-9}[/tex]

[tex]1.6 \times 10^{-9}[/tex] probability that there are no typos in the text messages Matilda receives between 2 p.m. and 5 p.m.

Answer:

3.79545454545 or 3.7954 with a little line over the 54 showing its repeating.

Answer:

Step-by-step explanation:

Your decimal will be 3.6 because to convert 3 33/55 into decimal:

Step 1: Divided the numerator 33 divided by the denominator 55 33 divided by 55 = 0.6.

Step two: add 0.6 to the integer part. 3 + 0.6 = 3.6

So 3 33/55 as a decimal is 3.6

Here’s the rounded value also:

3 33/55 = 4 rounded to 0 decimal places.

Answer:

i got 96

Step-by-step explanation:

you have to find the unit rate for 1 driveway and times that by 12

32 divided by 4 is 8

8 x 12 is 96

hope this helps :)

Answer:

(x,y) = (25,15)

Step-by-step explanation:

In a parallelogram, alternate angles are equal, so

[tex]\left \{ {{3x-8=4y+7} \atop {4x+13=5x-12}} \right.[/tex]

From the latter equation we obtain [tex]x= 13 + 12 = 25[/tex]. So substituting in the former equation gives

[tex]75-8 = 4y + 7\\4y = 60\\y = 15[/tex]

Using equivalent angles, it is found that the coterminal angle is of 270º.

In this problem:

You can learn more about equivalent angles are https://brainly.com/question/21737963

Answer:

it's the second one a rhombus is a diamond

Answer:

A= [tex]4x+8[/tex]

B= [tex]8x+6x \\or\\ 16x[/tex]

C= [tex]8x+12[/tex]

D= [tex]6x+6y+6z[/tex]

Step-by-step explanation:

Distributing, or the means to divide something/create a share or part of something is when we multiply the sum of two or more addends by a number to achieve the same result as multiplying each addend individually by the number then adding the products together.

With this said, part A would look like this:

[tex]4(x+2)\\4(x) + 4(2) = ?\\4x + 8[/tex]

Now, the problem doesn't specifically state to solve the problem, but if you wanted too it would look like this:

[tex]4x + 8=0\\-8 \\4x=-8\\divide 4\\4=GCF\\x=-2[/tex]

Since we are just looking for the equation, the following problems would appear as so:

B:

[tex](6+8)*x\\x(8) + x(6)\\8x+6x\\14x[/tex]

C:

[tex]4(2x+3)\\4(2x)+4(3)\\8x+12[/tex]

D:

[tex]6(x+y+z)\\6(x) +6(y)+6(z)\\6x+6y+6z[/tex]

Another way to view the distributive property is that your distributing the number outside the parenthesis to all the number inside as such.

I would be happy to help you again in the future and hope that this provided you with some clarification! Have a nice day! :D

Answer:

8%

cba to explain loolll

Answer:

the probability that the shipment is accepted is 0.8865

Step-by-step explanation:

Given the data in the question;

N = 86,  n/d = 5 and n = 2

now, without replacement

the probability that the shipment is accepted will be;

probability that the shipment is accepted = probability that non is defectives

so p( non is defective ) = ( (86-5)/86) × ((86-5-1)/(86-1))            

p( non is defective ) =  ( 81 / 86) × (80/85)

p( non is defective ) =  0.8865

Therefore, the probability that the shipment is accepted is 0.8865

Answer:

0.9

Step-by-step explanation:

1 1/2 = 1.5

6/10 = 0.6

1.5 - 0.6 = 0.9

Answer:

2,3,4

Step-by-step explanation:

hope this helps=D

Answer:

B,C,D

Step-by-step explanation:

Answer:

0.2857 = 28.57% probability that in a year the shares will be selling between $21 and $24

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

The price is approximately normally distributed with a mean of 20 and a standard deviation of 2.

This means that [tex]\mu = 20, \sigma = 2[/tex]

What is the probability that in a year the shares will be selling between $21 and $24

This is the pvalue of Z when X = 24 subtracted by the pvalue of Z when X = 21. So

X = 24:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{24 - 20}{2}[/tex]

[tex]Z = 2[/tex]

[tex]Z = 2[/tex] has a pvalue of 0.9772

X = 21:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{21 - 20}{2}[/tex]

[tex]Z = 0.5[/tex]

[tex]Z = 0.5[/tex] has a pvalue of 0.6915

0.9772 - 0.6915 = 0.2857

0.2857 = 28.57% probability that in a year the shares will be selling between $21 and $24

Answer:

The product of" , means multiply , the product of 10 and 4 is 40 , plus 3, 43?

The solution of the expression is,

⇒ 43

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

We have to given that;

The expression is,

⇒ Add 3 to the product 10 and 4

Now, We can simplify as;

⇒ 3 + (10 × 4)

⇒ 3 + 40

⇒ 43

Thus, The solution of the expression is,

⇒ 43

Learn more about the mathematical expression visit:

brainly.com/question/1859113

#SPJ2

Answer:

The answer is A

30

Answer:

The volume is increasing at a rate of 1508 cubic millimeters per second when the diameter is 60 mm.

Step-by-step explanation:

Volume of a sphere:

The volume of a sphere is given by the following equation:

[tex]V = \frac{4\pi r^3}{3}[/tex]

In which r is the radius.

Implicit derivatives:

This question is solving by implicit derivatives. We derivate V and r, implicitly as function of t. So

[tex]\frac{dV}{dt} = 4\pi r^2 \frac{dr}{dt}[/tex]

The radius of a sphere is increasing at a rate of 4 mm/s.

This means that [tex]\frac{dr}{dt} = 4[/tex]

How fast is the volume increasing (in mm^3/s) when the diameter is 60 mm?

This is [tex]\frac{dV}{dt}[/tex] when [tex]r = \frac{d}{2} = \frac{60}{2} = 30[/tex]. So

[tex]\frac{dV}{dt} = 4\pi r^2 \frac{dr}{dt}[/tex]

[tex]\frac{dV}{dt} = 4\pi*(30)^2*4[/tex]

[tex]\frac{dV}{dt} = 1508[/tex]

The volume is increasing at a rate of 1508 cubic millimeters per second when the diameter is 60 mm.

Answer:

a and b I think

Step-by-step explanation:

I'm not sure if that is right i haven't learned that in a while

Answer:

$20

Step-by-step explanation:

the manager's error could likely be putting the percentage mark up rather than the markup price added to the original price

25%×16

= $4

mark up price= (16+4)$

= $20

9514 1404 393

Answer:

  sometimes

Step-by-step explanation:

For positive numbers, multiplying by a factor greater than 1 increases their value:

  (1/2) × 2 = 1 > 1/2

For negative numbers, multiplying by a factor greater than 1 decreases their value:

  (-1//2) × 2 = -1 < -1/2

So, "sometimes" the product will be less than the given fraction.

Answer:

0.0309

Step-by-step explanation:

Faces on dice ( 1, 2, 3, 4, 5, 5)

Number of outcomes = 6

With 5 repeated twice

P(event A) = Required outcome / Total possible outcomes

Required outcome :

Number of 5's = 2 * distinct faces!

Required outcome = 2 * 5! = 2 * 120 = 240

Total possible outcomes = (number of faces)^distinct Numbers = 6^5 = 7776

Required / total possible = 240 / 7776

= 0.0308641

= 0.0309