4x-2=90 wha is the answer to this problem?

Answers

Answer 1

Answer: Firstly, you want to get 4x alone, so to do this, you add 2 to both sides, as you always do the opposite operation.
This then becomes
4x=92
To get x alone, you then divide both sides by 4.
92/4=23
Therefore, x= 23
Hope this helps :)

Answer 2

Answer: Your goal is to get "x" by itself on one side

$4x-2=90$

Add +2 to each side

$4x-2+2=90+2$

$4x=92$

Divide 92 by 4

92÷4=23

$x=23$

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What is the y-intercept of the equation of the line that is perpendicular to the line y = 3/5 x + 10 and passes through the point (15, –5)?The equation of the line in slope-intercept form is y = -5/3 x +

Answers

Answer:

$\large\boxed{y-intercept=20}$

Step-by-step explanation:

$\text{Let}\ k:y=_1x+b_1\ \text{and}\ l:y=m_2x+b_2.\n\nl\ \perp\ k\iff m_1m_2=-1\to m_2=-(1)/(m_1)\n============================\n\n\text{We have}\ y=(3)/(5)x+10\to m_1=(3)/(5).\n\n\text{Therefore}\ m_2=-(1)/((3)/(5))=-(5)/(3).\n\n\text{The equation of the searched line:}\ y=-(5)/(3)x+b.\n\n\text{The line passes through }(15,\ -5).$

$\text{Put thecoordinates of the point to the equation.}\ x=15,\ y=-5:\n\n-5=-(5)/(3)(15)+b\n\n-5=(-5)(5)+b\n\n-5=-25+b\qquad\text{add 25 to both sides}\n\nb=20\n\n\boxed{y=-(5)/(3)x+20}$

Justin has 20 pencils, 25 erasers, and 40 paper clips. He organizes them into groups with the same number of items in each group. All the items in a group will be the same type. How many items can he put in each group?

Answers

Answer:

He can put 25 items in each group, hope this helped c:

Step-by-step explanation:

Please help with these math questions final part

Answers

#9). The volume of a sphere is    (4/3) (pi) (radius)³ .

You have a small sphere inside of a larger sphere.
The radius of the small sphere inside is 6mm.
The radius of the large sphere outside is 9mm.
They want to know the volume of the SHELL . . .
that's:

(volume of the big sphere) minus (volume of the small inside sphere).

#10). Here's where it all comes together !

A). The volume of a cylinder is      (pi) (radius)² (height) .

B). The volume of a sphere is   (4/3) (pi) (radius)³ .

C). The volume of a cone is    (1/3) (pi) (radius)² (height) .

The question gives you all the numbers. All you have to do is
take each formula, write the numbers into it, and find out which
choice has the greatest volume.

You can do it !

a swimmingnpool is 50 meters long. Jamie swam 60 lengths of the pool in one week. How many kilometers did she swim

Answers

the awnser is either 1050 or 3000 choose witch one is more reasonable for your question

Jamie swam: 3 km

The answer is 3 km because,

50 x 60 = 3,000

As we know 1 km = 1,000 meters.

So3 km would equal 3,000 meters.

That being said, 3 km is the answer!

What is the value of x when -25(x - 4) = -55(x - 10) ?

Answers

The given equation is solved to give value of x as 15.

How to solve a linear equation?

A linear equation can be solved by equating the LHS and RHS of the equation following some basic rules such as by adding or subtracting the same numbers on both sides and similarly, doing division and multiplication with the same numbers.

The given equation is as below,

-25(x - 4) = -55(x - 10)

It can be simplified as follows,

-25(x - 4) = -55(x - 10)

=> -25x + 100 = -55x + 550

=> -25x + 55x = 550 - 100

=> 30x = 450

=> x = 15

Hence, the value of x for the given equation is 15.

To know more about linear equation click on,

brainly.com/question/11897796

#SPJ2

Simplify both sides of the equation

-25(x-4)=-55(x-10)

(-25)(x) + (-25)(-4)=(-55)(x) + (-55) (-10)

Distribute

-25x+100=-55x+550

Add 55x to both sides

-25x+100+55x=-55x+550+55x

30x+100-100=550-100

subtract 100 from both sides

30x+100-100=550-100

30x=450

divide both sides by 30

30x/30=450/30

x= 15

The value of x is 15

I hope that's help you my friend !

Find the quotient and remainder for 52 divided by 8

Answers

The answer is 6.5 exactly.

6.5 is the answer for this problem

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