Mathematics High School

Help me slove and direction pls ty :)

Help Me Slove And Direction Pls Ty :)

Answers

Answer 1

Answer:

see explanation

Step-by-step explanation:

Solving

4x + 8 = 20 ( subtract 8 from both sides )

4x = 12 ( divide both sides by 4 )

x = 3

Each pack contains 3 paintbrushes

Answer 2

Answer:

x=3

Step-by-step explanation:

since the equation to use has already been given,you just have to group the like terms and solve for x

4x+8=20

4x=20-8

4x=12

then divide both sides by 4 in order to remain with x on one side

4x/4=12/4

x=3

each pack contains 3 paint brushes.

I hope this helps

Related Questions

m + 7 is equal to -10​

Answers

Answer:

m=-17

Step-by-step explanation:

-10-7=-17

Answer:

-17

Step-by-step explanation:

you firstly have to write the equation how it is in numerals which is

m+7=-10

then you have to group the like terms

m=-10-7

m=-17

I hope this helps

the study of the organization and collection of data is know as?

Answers

Answer:

investigation isanswer

When you subtract two positive integers is the result always a positive integer

Answers

Sai vì số Nguyên dương nhỏ trừ số nguyên dương lớn bằng số nguyên âm

Find the future sum of a present value of $2,000 deposited in a bank at 5% interested for 8 years, compounded continuously (F=Pert). Round answer to the nearest dollar. Use 2.718 for e.
I'll give a brainliest

Answers

Answer:

$2983.65

Step-by-step explanation:

A = $2000[tex]e^{8*.05}[/tex] =

PLEASE HELP! Simplify 2x^2+4xy+2y^2

Answers

Answer:

(x+y)(2x+2y)

Step-by-step explanation:

=2x^2 + 2xy + 2xy + 2y^2

=2x(x+y) + 2y(x+y)

=(x+y)(2x+2y)

Question 31 (Essay Worth 5 points)
The position of an object at time t is given by s(t) = 1 - 12t. Find the instantaneous velocity at t = 2 by finding the derivative.

Answers

Answer:

-12

Step-by-step explanation:

ds/dt = d/dt ( 1-12 t)

ds/dt = -12

When t=2

ds/dt = -12

Question 19
How much sales tax will be paid on an iPhone costing $1289.00 and a 4.6% tax rate?

Answers

Answer:

59.294

Step-by-step explanation:

$1289×4.6/100

59.294

please help me !! :)

Answers

I’m not one hundred percent but I think it’s C

one number is 4 less than 3 times another number. If their sum is increased by five,the result is 25. Find both the numbers.

Answers

Answer:

6 and 14

Step-by-step explanation:

let the second number=x

the first number=3x-4

(x+3x-4)+5=25

4x-4+5=25

4x+1=25

4x=25-1

4x=24

x=6

Since x is the first number,the first number is 6

second number=3•6-4

=18-4=14

Write a slope-intercept equation for a line passing through the point (5,-5) that is parallel to the line x = -2. Then write a second equation for a line passing through the point (5,-5) that is perpendicular to the line x=-2.

Answers

Answer:

1. y=-2x+5

2. y=1/2x-7.5

Step-by-step explanation:

you plug in the cordinates for the y intercept and you already have the slope.

y=mx+b

m= slope which is -2

tan theta is equal to 2- cos theta find the value of sin theta​

Answers

Answer:

sqrt(2)/2

Step-by-step explanation:

Given tan(x)=2-cot(x), find sin(x).

Rewrite in terms of sine and cosine:

sin(x)/cos(x)=2-cos(x)/sin(x)

Multiply both sides by cos(x)sin(x):

sin^2(x)=2sin(x)cos(x)-cos^2(x)

Rewrite cos^2(x) using the identity sin^2(x)+cos^2(x)=1:

sin^2(x)=2sin(x)cos(x)-(1-sin^2(x))

Distribute:

sin^2(x)=2sin(x)cos(x)-1+sin^2(x)

Subtracting sin^2(x) on both sides:

0=2sin(x)cos(x)-1

Add 1 on both sides:

1=2sin(x)cos(x)

Use identity sin(2x)=2sin(x)cos(x) to rewrite right:

1=sin(2x)

Since sin(pi/2)=1, then 2x=pi/2.

Dividing both sides by 2 gives x=pi/4.

So sin(pi/4)=sqrt(2)/2

Find a and b. PLS HURRY!

Answers

Answer:

[tex]a \: and \: b = \frac{5}{ \sqrt{2} } [/tex]

Step-by-step explanation:

[tex] \sin(45) = \frac{a}{5} \\ \frac{1}{ \sqrt{2} } = \frac{a}{5} \\ a = \frac{5}{ \sqrt{2} } \\ \\ \\ \\ \sin(45) = \frac{b}{5} \\ b = \frac{5}{ \sqrt{2} } [/tex]

I hope I helped you^_^

Mike wants to buy a used car for $3200. He has$400 in savings and can save another $250 each month. How many months will it take him to be able to buy this car?

Answers

Answer:

12 months

Step-by-step explanation:

mental math

Solve this pair of simultaneous equations.
5x + 2y = 20
x + 4y = 13
X=
y=

Answers

Answer:

y= 2.5

x= 3

Step-by-step explanation:

multiply eqn 2 by 5

5x +20y =65

eqn 2 -1

20-2)y=65-20

18y=45

y=2.5

x+4×2.5 =13

x+10=13

x=3

y=2.5
x=3

there you go

I'LL GIVE BRAINLIEST !!! FASTER

​

Answers

Answer:

Option A

Step-by-step explanation:

angle a and angle are equal since the vertical lines are parallel and horizontal lines are not and a, b, c are corresponding angles

calculate the area of shaded​ region

Answers

Answer:528cm squared
please mark brainliest

Answer:

528 cm squared

Step-by-step explanation:

A parallelogram (slanted shape at the bottom) is essentially the same area as a rectangle.

Therefore, both shapes have the same measurements.

Multiply the length and height of the rectangle to get its area: 22cm×12cm =264cm squared

Since the area of the rectangle corresponds geometrically to the area of the parallelogram, just multiply the area of the rectangle (264cm squared), by 2.

So 264×2, = 528cm squared

Ta da...

Which of the equations below represents à line perpendicular to the y-axis?
A.
y= 6x
B.
y=-6
C.
x = 6
D
y = x

Answers

Answer:

Its x=6

Step-by-step explanation:

I graphed it on mathaway

Guys please help me find the answer to this

Answers

Answer:

C

Step-by-step explanation:

The colony will follow an exponential equation. y(x) = 8000*(2)^(t/210). Plug in t=630 and you will get y(x) = 64000

What is the value of |6x| - |- 2y| if x = - 3 and y= 5?

Answers

Answer:

8

Step-by-step explanation:

|6x| - |- 2y|

Let x = -3 and y = 5

|6*-3| - |- 2*5|

|-18| - |-10|

Taking the absolute values

18 - 10

8

ASAP HELP!!!!!!!!!!!!!!!!!!!!!!!!!
Haley fills a balloon with water until it becomes a sphere with a diameter of 5 centimeters. Approximately, how much water does the balloon contain? Use 3.14 for .

A. 26.17 cubic centimeters

B. 65.41 cubic centimeters

C. 523.33 cubic centimeters

D. 104.67 cubic centimeters

Answers

Answer:

523.33 cm³

Step-by-step explanation:

Volume of sphere is given by the formula :

V = (4/3)×pi×r³

= (4/3)×3.14×125

= 523.33 cm³

HELPPP PLZZZZ DUE SOON

Answers

Answer is C for sure

Answer:

3rd option

Step-by-step explanation:

Given T is the midpoint of SU , then

ST = TU , that is

9x = 4x + 25 ( subtract 4x from both sides )

5x = 25 ( divide both sides by 5 )

x = 5

Then

ST = 9x = 9 × 5 = 45

 Which correlation best describes the data below.

no correlation

weak positive

strong positive

strong negative

Answers

Answer:

strong positive

Step-by-step explanation:

both variables are moving in the same direction and is nearly a line

As x increases, y increases.  This has a strong positive correlation

how do we know a given number in the radical is whether rational or irrational​

Answers

number is described as rational if it can be written as a fraction (one integer divided by another integer). A number is irrational if it cannot be written as a fraction. The decimal form of an irrational number does not terminate or recur.

Form a formula based on the following situation

a) The sum of x and 2y is 14​

Answers

Answer:

x + 2y = 14

Step-by-step explanation:

That’s the answer

x+y =14+2= 6 …….zzzz


Find the line of symmetry for the parabola whose equation is y = 2x^2 - 4x + 1.

wrong answers = reported
ty<3

Answers

Answer:

y = 2 x^2 - 4 x + 1

parábola

Step-by-step explanation:

There are 18 girl in a class and boys in the class is 3:2. Find the number of boys.​

Answers

Answer

12

Explanation

2xand 3x

let 3 be 3x

3x=18

X=18/3

X=6

now

2x=2multiply6

12

the number of boys is 12

PLS HELP! Given the angles in the diagram below, what is m<2

Answers

Your question answer is d 98 is right.

the area of square is 64cm square .find its length​

Answers

Answer:

8 cm

Step-by-step explanation:

Because A=a*a

Area equals length times length

So, 8 is the length

64 divided by some number must equal the exact same number. Let me show what I am talking about.

Our length is a. We multiply a times itself (because that's the formula for the square's area)

Does this number exist?

Yes, it does.

And it's a whole number.

And we know from our times tables that 8*8=64

Hope it helped you

Answer:

8 cm

Step-by-step explanation:

please mark me as brainliest

A can do a piece of work in 3 days and B in 6 days andShyam in 12 days.In how many days will they finish it when both work at it.​

Answers

Answer:

Step-by-step explanation:

= 1/3 + 1/6 + 1/12 (LCM 12)

= 4/12 + 2/6 + 1/12

= 6/12

= 1/2

Therefore 1/2 = 2 days

They will all work together and finish the job in 2 days

please click thanks and mark brainliest if you like :)

A rectangular swimming pool has length 15w - 1 feet and width 9w + 2 feet. Find the perimeter of the pool.​

Answers

Answer:

48w +2

Step-by-step explanation:

Perimeter of a rectangle=2( length+width)

=2(15w-1+9w+2)

=2(24w+1)

=48w+2

Other Questions
.) At 500 oC, cyclopropane, C3H6, rearranges to form propene. The reaction is first order with a rate constant of 6.7 x 10-4 s-1. If the initial concentration of C3H6 is 0.0500 M, (a) what is the molarity of C3H6 after 30 min -3x^5y^7/6xy^8PLEASE HELP Write about a time when you or someone you know did , something they shouldnt have done your answer could be real or imaginitive Name advantages and disadvantages of Tithing system in Saxon society. 6) The lincoln said democracy is 16th president of the USA Abharam lincoln said democracy is government of the people for the people by the people. Do you think it is perfectly applicable in the present context of Nepal PLS HELP! Given the angles in the diagram below, what is m the study of the organization and collection of data is know as? 4 + 1n(x-1)=3 solve for x When you subtract two positive integers is the result always a positive integer Pedro : 80%Javier: 90%Marcos: 75%1. If during a month Pedro has taken 30 free throws, how many will he have hit?Si durante un mes Pedro ha lanzado 30 tiros libres, cuntos habr acertado?2. If Javier hits 4 free throws in a match, how many has he taken?Si Javier acerta 4 tiros libres en un partido, cuntos ha lanzado? Using Eulers formula, how many edges does a polyhedron with 9 faces and 14 vertices have? A sequence of DNA was analyzed with a bioinformatics program that translated the sequence in all 6 possible reading frames.a. Trueb. False A rectangular swimming pool has length 15w - 1 feet and width 9w + 2 feet. Find the perimeter of the pool. What informational text gives a detailed account of events? Mention the needs of development: Please help from 1 to 24 please There are 18 girl in a class and boys in the class is 3:2. Find the number of boys. $17,818 is invested, part at 11% and the rest at 6%. If the interest earned from the amount invested at 11% exceeds the interest earned from the amount invested at 6% by $490.33, how much is invested at each rate? (Round to two decimal places if necessary.) Which correlation best describes the data below.no correlationweak positivestrong positivestrong negative What is a country, person, or company that uses exploitation for production or consumption?