Mathematics College

PLEASE HELPPP
due tonighttt

Answers

Answer 1

Answer:

no it is not a function

domain: -4, 0, 6

range: 12, 18, 40

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Answers

Answer:

yes

Step-by-step explanation:

Answer:

Yes

Step-by-step explanation:

Q14.
Solve the simultaneous equations
2x - 3y = 24
6x + 2y = -5
landimorament

Answers

-3y=24-2x
2y=-5-6x

-y=8-2/3x y=-8+2/3x
y=-5/2-3x

-8+2/3x=-5/2-3x
-8+5/2=-3x-2/3x
-11/2= -11/3x
x=3/2
hope it helps!!!

A bag contains two coins, one for which the probability of heads is equal to 1 and one for which the probability of heads is equal to p. A coin is selected at random, and three independent tosses of this coin result in three heads. What is the probability that a further independent toss of this coin will produce a head?a. p4/1 + p3.b. p3 - p2/1 + p3.c. p3/1 - p.d. 1/1 + p3.e. 1 + p4/1 + p3.

Answers

Answer: Option E is the correct answer; (1 + p⁴) / (1 + p³)

Step-by-step explanation:

P (3 head) = P(first and 3 heads) + P(second coin and 3 heads)

= (1/2)×1³ + (1/2)× p³ = (1/2) × (1 + p³)

therefore P(first coin given 3 heads) = (1/2)×1³/ ((1/2)×(1 + p³))

= 1 / (1 + p³)

Also P( second coin given 3 heads) = p³ /(1 + p³)

therefore P(4th toss in heads given first 3 are heads) will be;

= P(first and 4th toss heads) + P(second and 4th toss heads)

=(1/( 1 + p³ )) × 1 + p³ / (1+p³) × p

= (1 + p⁴) / (1 + p³)

Therefore Option E is the correct answer

A bakery bakes 68 batches of 56 cupcakes each week. How many individual cupcakes do they make each week?

Answers

Answer:3808 cupcakes

Step-by-step explanation: 56 times 68

Enter the range of values for x:

Answers

Answer:

¿¿¿???

Step-by-step explanation:

first what is the question no only x = i didn´t see your computer

Answer:

yeah i don't see anything

Step-by-step explanation:

$120 less than half of d dollars

Answers

Answer:

[tex]\frac{d}{2} - 120[/tex]

Step-by-step explanation:

You work backwards:

Half of d dollars is d/2. Then you take 120 less than that, which means you are subtracting.

Answer:

1/2d-120

Step-by-step explanation:

Alright.

d=amount of money

1/2d=half of the amount of money

1/2d-120=half of the money minus 120

26. (02.08)
Which of the following represents the area of a rectangle whose length is x + 4 and whose width is x - 9?
x2-36
x2+ 5x - 36
x²-5x - 36
x2+ 36x- 5

Answers

Answer:

X^2 -5x -36

Step-by-step explanation:

formula of an area of a rectangle: ab

a-length

b-width

(x+4)*(x-9) = x^2 -5x -36

If a bug can flap its wings at a rate of 77 times in 9 seconds, how many times do they flap their wings in 1.119 minutes? Round to 1 decimal.

Answers

I believe it is 957.4

HELP FAST !!! PLEASE

Solve the system by substitution.
y = -5x + 40
y = 3x

Answers

Answer:

X=5 y=15

Step-by-step explanation:

you got to solve the first variable in the first equation, then substitute the result in to the other.

Solution for the system of equations y = -5x + 40 and y = 3x are:

x = 5 , y = 15 .

What is substitution method?

The substitution method is the algebraic method to solve simultaneous linear equations. As the word says, in this method, the value of one variable from one equation is substituted in the other equation.

Given equations

y = -5x + 40 ------(a)

y = 3x -------(b)

Substituting value of y from equation (b) to equation(a)

3x = -5x + 40

⇒ 3x + 5x = 40

⇒ 8x = 40

⇒ x = 40/8

⇒ x = 5

Substituting value of x in equation (b)

y = 3 × 5

⇒ y = 15

Hence, x = 5 and y = 15 are the solutions

for the system of equations

y = -5x + 40 and y = 3x

Learn more about substitution method here:

brainly.com/question/14619835

#SPJ2

Uncle Drew scored 28 points in 5 minutes during a game. Write an equation that shows the relationship between, P, points and, M, minutes played. P= OR M=

Answers

Answer:

4.8

Step-by-step explanation:

There are two people in Sophia's class of 25 named Michael. She infers that 8% of people in the U.S. are named Michael. What is
wrong with Sophia's conclusion?

A)Nothing is wrong with Sophia's conclusion. 2/25=0.08, which is 8%.

B)Sophia used a convenience sample, so it is not an accurate representation
of the population.

C)Sophia should have only looked at a percentage of the males in her class
with the name Michael

D)Sophia's sample was too small; she should have counted all the people
named Michael in her entire school.

Answers

Answer:

Step-by-step explanation:

Its either between B or D but B is the most correct

BRINALIEST PLS

Answer:

B: Sophia used a convenience sample, so it is not an accurate representation of the population.

Step-by-step explanation:

I got it correct on USATestPrep

Hope this helped!

From: Aug1e

which expression is equivalent to 40x^2 square root x^12 ÷ 10^2 square root 29x^8, if x does not equal 0?

Answers

The expression that is equivalent to the given expression is 10(2x)².

Equivalent expression

The equivalent expression is obtained by simplifying the given expression as shown below;

40x², where, x ≠ 0

expand the expression as follows;

40x² = (10 x 4)x²

= (10 x 2²)x²

= 10(2²x²)

= 10(2x)²

Thus, the expression that is equivalent to the given expression is 10(2x)².

Learn more about equivalent expression here: https://brainly.com/question/2164351

Answer: 4x^2 sqrt(29) / 29

Step-by-step explanation:

12.
Name the coefficients in the expression 4x + 9- y.
9
O
4,9,0
0
4, -1
OR

Answers

Answer:

4, 9, and -1

Step-by-step explanation:

Please give me brainliest

Answer:

4x+9-y

The 4 is your coefficient. X and Y are your variables and 9 is your constant.

Find the sum
1/3(9-6m) + 1/4(12m-8)

Answers

Answer:

1+m

Step-by-step explanation:

Mr. Carson makes $21.50 an hour. He works 8 hours a day and works 5 days a week.

Answers

Answer:

$860

Step-by-step explanation:

21.50 times 8 = 172

172 times 5 = 860

CallmeCarson lol

Answer:

860$

Step-by-step explanation:

In order to find the answer to this question you need to multiply the amount of hours Carson worked to the amount of days he worked and then you need to multiply that by the amount he gets paid per hour.

[tex]21.50 = ph[/tex]

[tex]hours=8[/tex]

[tex]days = 5[/tex]

[tex]8\times5=40[/tex]

So he worked 40 hours a week

[tex]40 \times21.50 = 860[/tex]

Therefore Mr.Carson has made 860$ that week.

Hope this helps.

y=0.4x

A.0
B.1/4
C.0.4
What is the slope of the equation? NEED THIS ASAP

Answers

Answer: C. 0.4 is the answer.

One of the ancient stone pyramids in Egypt has a square base that measures 142 m on each side. The height is 93 m. What is the volume of the pyramid?

Answers

Step-by-step explanation:

142

6.25084×105

The volume of the ancient stone pyramids in Egypt with a side of 142 m and a height of 93 m is 652,084 m³.

What is a pentahedron?

A Square Pyramid is a pyramid with the base as a square. It is also known as pentahedron. It has 5 faces out of which 4 are triangles while 1 is a square.

The volume of the square pyramid is one-third of the product of the area of the square and the height of the pyramid. Thus, the volume of the square pyramid with a side length of 142 m and a height of 93 m can be written as,

[tex]\rm \text{Volume of square pyramid} = \dfrac13 \times \text{(Area of square)} \times Height[/tex]

[tex]= \dfrac13 \times (142)^2 \times 93\\\\= 625,084\rm\ m^3[/tex]

Hence, the volume of the ancient stone pyramids in Egypt with a side of 142 m and a height of 93 m is 652,084 m³.

Learn more about Square Pyramid:

https://brainly.com/question/15219357

Answer i will brainlist this is a give me

Answers

Answer:

Step-by-step explanation:

3^4/3^2 = 3^(4-2)=3^2=9

Answer:

Step-by-step explanation:

3^4 is 81

3^2 is 9

81/9 is 9!

Joe, Kent, Bryan and Julie scored an average of 63 mark in Mathematics test. If we know that Julie's score qas 25% of Joe's score. Bryan scored 10 more marks thsn Joe and Kent scored 18 fewer marks than Joe. What is the total score of kent and bryan?

Answers

J = Julie
B = Bryan
O = Joe
K = Kent

(J + B + O + K) / 4 = 63

J = .25O
B = O + 10
K = O - 18

Substitute:
((.25O) + (O + 10) + O + (O - 18)) / 4 = 63
(3.25O - 8) / 4 = 63
3.25O - 8 = 252
3.25O = 260
O = 80

K = O - 18
K = 80 - 18
K = 62

B = O + 10
B = 80 + 10
B = 90

Therefore,
B + K = 152

1- Karla necesita conocer el
espacio que ocupa una caja de
zapatos en su ropero, la cual
tiene las dimensiones descritas
en la imagen. ¿Cuál es la
expresión que representa el
volumen de la caja de zapatos?
.
a) 15cmx5 cmx 7 cm
b) 15 cm + 5 cm + 7 cm
c) 15 cm x 5 cm + 7 cm
d) 15 cm + 5 cm x 7 cm

Answers

Responder:

a) 15 cm x 5 cm x 7 cm Explicación paso a paso:

Nota: no se adjuntó ninguna imagen a esta pregunta, sin embargo, podemos proceder a una solución a este problema.

Paso uno: Datos dados Podemos deducir de las opciones que los parámetros de la caja son los siguientes

Largo L = 15cm

Ancho W = 5cm

Altura H = 7 cm

Segundo paso: El espacio que ocupa la caja en el armario es equivalente al volumen de la caja. Por tanto, el volumen de la caja se expresa como

Volumen = L * W * H

Volumen = 15 cm * 5 cm * 7 cm

Por tanto, la opción A es correcta

Please help!!!!! Ty!!!!

Answers

Answer:

3000 + 250x = his monthly pay

Step-by-step explanation:

x=how many cars he sells

plzzz help
find the slope

Answers

I need a clearer picture, can you try to show the whole thing?

Give the slope between the points. Answer

Answers

Answer:

With the given points your slope would be -5/4.

The answers to this question is -4/5

Sandy has around $245 in her pocket but she thinks she could have up to $25 more or $25 less. Write and solve an absolute value equation that can show the maximum and minimum amount of money that Sandy has in her pocket.

Answers

Answer:

The absolute value equation is |x - 245| = 25The maximum amount of money in Sandy's pocket is $270The minimum amount of money in Sandy's pocket is $215

Step-by-step explanation:

The absolute value equation for the amount of money in Sandy's pocket is given as;

|x - 245| = 25

The equation for the maximum amount of money in Sandy's pocket is given as;

x - 245 = 25

x = 25 + 245

x = $270

The equation for the minimum amount of money in Sandy's pocket is given as;

x - 245 = -25

x = -25 + 245

x = $215

What is the slope of the line?answer

Answers

Answer:

Step-by-step explanation:3/-1

-3/1
-The slopes negative
-You use rise over run.
Rise is 3 run is 1

If f(x) = x, find the simplified form for the following inputs:

b) f(x) + 2

c) 1/2f(x)

d) 2( f (x) ) +3

Answers

Answer:

Step-by-step explanation:

Is there another part to the question? Maybe the original function?

The mean is 0.500 and the standard deviation is 1.84 x 10-3. Gaussian Statistics Apply. How many replicate determinations are necessary if the standard error of the mean is not to exceed 0.100%

Answers

Answer:

I don't know but do you know how to answer this:

Two similar right triangles have areas of 6 square inches and

150 square inches. The length of the hypotenuse of the smaller

triangle is 5 inches. What is the sum of the lengths of the legs

of the larger triangle?

Answer:

Step-by-step explanation:

15. Find all polar coordinates of point P where P= (1, -pi/6). (5 points)

Answers

Answer:

Step-by-step explanation:

Find the values of x and y in the equation below.

Answers

Answer:

The answer is a^6 b^18

Step-by-step explanation:

not sure need help

Answers

Answer:

x=10 degrees

Step-by-step explanation:

8x-12=6x+8

2x=20

x=10

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PLEASE HELPPP due tonighttt

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PLEASE HELPPP
due tonighttt