Mathematics College

3x+15/2 <30
Please help fast by the way the whole equation 3x+15 is over 2.

Answers

Answer 1

Answer:

x  <  15

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Related Questions

PLZ HELP
Write and solve an equation to find x then find the measure of the unknown angles

Answers

Answer:

1)

8x + x = 180

9x = 180

x = 30

2)

x + 2 = 2x - 40

2 = x - 40

x = 42

3)

2x + x = 90

3x = 90

x = 30

4)

3x + 1 = 4x - 25

1 = x - 25

x = 26

Sad Ariana Grande Facts/Moments pt.2
Ariana preformed in Pittsburg, Mac millers hometown. Not only did they split up, but he passed. She sang Thank u, next (more emotional than you might think) and was in tears :( i cry inside when i see her like thissss

Answers

awww that is so sweet!!

What is the equation of the line that passes through the points (-1, 3) and (1, 11)? (5 points)
4x - y = 1
x - 4y = -13
4x - y = -7
4x + y = 1

Answers

Answer:

4

Step-by-step explanation:

I am pretty sure its that one

Lines a, b, c, and d are distinct lines in the same plane. Decide if lines a and d are parallel, perpendicular, or if there is not enough information

Answers

Answer:

A. Parrellel

Step-by-step explanation:

it is parrellel because if you look between b and c you can

see that it is a parrellel line

The ratio of berries to oranges is 12:5. If there are 25 oranges, how many berries are there

Answers

Answer:

60

Step-by-step explanation:

5*5 is 25

then 12 * 5 is 60!

Please help guys I need it

Answers

Answer:

a= 20

b= 169.7

c= 29.71

Step-by-step explanation:

The formula of a triangle is (h*b)/2

a= (5*8)/2

b= to find the height, you can use the pythagorean theorem 18^2 - 6^2 = square root of 288. Which is 12root 2 or 16.97. (16.97*20)/2

c= using the pythagorean theorem- 11^2 = 7^2 - c^2 = square root 73, or 6root 2, or 8.49. (8.49* 7)/2

For history class, Joe spent 2 hours writing a 4-page report on ancient Egypt. This weekend, he needs to write a 12-page report on the Roman Empire.
If he writes at the same rate, how long will it take Joe to write his report?

Answers

Answer:

2hours/4pages

2/4=1/2

1/2=x/12

cross multiply

12=2x

divide by 2 both sides

6=x

6 hours

Answer:

the answer is 6

Step-by-step explanation:

please click to go to my question pleaseeeeeeeee https://brainly.com/question/19665659
click click
plz clickkkkkkkkkkkkkkkk\

Answers

Answer:

.

Step-by-step explanation:

Answer:

Step-by-step explanation:

You pick a card at random. What is P(6)? Write
your answer as a percentage.

Answers

25% because you would have a 25% if there’s four cards each and it would add up to 100%

Sorry im not that good at explaining but its 25%

please help i have no idea

Answers

Answer: D answer:12 :))

what is m% of n please help

Answers

m% of n would technically be some amount of n. To find m%, you would have to do n * 0.m to find your answer

g Find the required probabilities using the exponential density function f(t) = 1 λ e−t/λ, [0, [infinity]). The time t (in years) until failure of a component in a machine is exponentially distributed with λ = 3.5. Find the probabilities that the lifetime of a given component will be less than 1 year, more than 2 years but less than 4 years, and at least 5 years. (Round your answers to three decimal places.) (a) less than 1 year (b) more than 2 years but less than 4 years (c) at least 5 years

Answers

Answer:

(a) less than 1 year =0.751488

(b) more than 2 years but less than 4 years = 0.2458

(c) at least 5 years= 0.760331

Step-by-step explanation:

f(t) = 1 λ e−t/λ, [0, [infinity])

First we calculate the probability for an exponential random variable X with parameter λ

P (X= t) = ∫ 1 λ e−t/λ, dt

P (x=t) =  e−t/λ,

λ = 3.5

Now P (X< 1 ) = ∫ 1 λ e−t/λ, dt        [the limits are (-∞ to 1)]

                         = e−1/3.5= 0.751488

P ( 2<X< 4 ) =  ∫ 1 λ e−t/λ, dt         [ the limits are (2 to 4)]

                     =e−2/3.5- e−4/3.5

                  = e-0.57142-e-1.142857  

                  = 0.5647-0.31890

                  = 0.2458

P (at least 5)  = 1- P (x=5)

                   = 1-∫ 1 λ e−t/λ, dt           [ the limits are (∞ to 5)]

                     = 1- e−5/3.5

                     = 1 - e-1.4285

                     = 1-0.239

                        = 0.760331

Riz got $200 for his birthday. He bought several long tennis rackets that cost $45.50 each. After the purchase he has $18 . Write an equation to find out how many rackets he bought and then find the number of rackets.

Answers

Answer:

he has bought 18 rackets.

Step-by-step explanation

papa loves a big juicy peen inside of him

Answer:

4

Step-by-step explanation:

(200-18)/45.50

= 182/45.50

= 4

What is the GCF of the expression -x2y22 - xy2z?​

Answers

Answer:

i dont onderstand Thais

Find the value of x.
71°
(10x + 6)°
(13x - 2)°
(8x - 1)
#15

Answers

Answer:

7x7/6x4

Step-by-step explanation:

1) Find the product of -5x2y4 and 3xy3

Answers

Answer:

Answer: -15x3y7

Step-by-step explanation:

Answer:

-15x3y7 is the answer

Step-by-step explanation:

Can someone please help me ?

Answers

Answer:

Option c is correct

Step-by-step explanation:

Y =mx+c

Where m=2/3

c= 8/3

Answer:

the third option is the right answer

Step-by-step explanation:

y = mx+c

m is the slope

c is the y-intercept

compare the below equations:

[tex]y = mx + c[/tex]

[tex]f(x) = \frac{2}{3} x + \frac{8}{3} [/tex]

[tex]m = \frac{2}{3} \: and \: c = \frac{8}{3} [/tex]

What is the equation for the line in slope-intercept form?

Answers

Answer:

y = 8x

Step-by-step explanation:

I believe counting up from the origin to the last point gives a slope of 8/1 which there wouldn't be a y-intercept in the equation.

ejt-vokv-opj join to teach​

Answers

Answer:

ive seen this before its not to teach what you think stay away from it

Answer:

i thought this was a different language

Step-by-step explanation:

smh

Ariane borrows $200 on a 2−year loan. She is charged 5% simple interest per year. How much interest is she charged for 2 years? What is the total amount she has to pay back?

Answers

Answer:

Interest charged over two years: $20

Total amount: $220

Step-by-step explanation:

The formula for simple interest is A = P ( 1 + rt ).

A = 200 ( 1 + (0.05 * 2))

A is the total amount ( interest + principle )

A = 220

P is the principle ( initial amount deposited )

P = 200

R refers to rate (in percent)

R = 0.05

T = time period (in years)

T = 2

PLEASE HELP!!! It’s about exponential functions. I will mark brainliest!!!!!!

Answers

It’s also the second answer

In triangle XYZ, angle Y = 45º and angle Z = 60º. If XZ = 4, then what is XY?

Answers

Answer:

[tex]XY = 4.9[/tex]

Step-by-step explanation:

Given

[tex]XZ= 4[/tex]

[tex]\angle Y = 45[/tex]

[tex]\angle Z = 60[/tex]

Required

Determine the measure of side XY

To do this, we make use of sine law. This is as follows:

[tex]\frac{a}{\sin\ A} = \frac{b}{\sin\ B} = \frac{c}{\sin\ C}[/tex]

In this case:

[tex]\frac{4}{\sin(45)} = \frac{XY}{\sin(60)}[/tex]

Cross Multiply

[tex]XY * \sin(45) = 4 * \sin(60)[/tex]

[tex]XY * 0.7071 = 4 * 0.8660[/tex]

Make XY the subject

[tex]XY = \frac{4 * 0.8660}{0.7071}[/tex]

[tex]XY = \frac{3.4640}{0.7071}[/tex]

[tex]XY = 4.89888276057[/tex]

[tex]XY = 4.9[/tex] -- approximated

6. What are the dimensions of this matrix?

Answers

Answer:

the dimensions will be 2 x 1

Option C is correct option.

Step-by-step explanation:

We need to determine the dimensions of this matrix [tex]\left[\begin{array}{c}2&\sqrt{5} \end{array}\right][/tex]

The dimensions consists of rows and columns in the form. Rows x Columns

In the given matrix the rows are: 2

The columns are: 1

So, the dimensions will be 2 x 1

Option C is correct option.


Am I correct?
Or not, please

Answers

Answer:

No you are not correct.

Step-by-step explanation:

This answer choice is A.

hope this helps!!

Yes.

The positive numbers are greater than the negative numbers.

Use the elimination method to solve the following system. 6x – 7y = –8 –x – 4y = –9

(–6, –3)


(0, 4)


(–3, 8)


(1, 2)

Answers

The correct answer is (1,2)

Steps:
Multiply the second equation by 6 in order to eliminate the x variable.

6x-7y= -8
6(-x-4y= -9)

6x-7y= -8
-6x-24y=-54

Add the equations together and solve for y

-31y= -62
Y=2

Substitute y=2 in the original equation

-x-4(2)= -9
-x-8= -9
-x= -1
X=1

Answer: (1,2)



What is the sin value of 5pi/3

Answers

Answer:√(3)/2

hope that helped you:)

please make my answer brainiest as im trying get 4 brainiest answers

_______________________

Answers

Answer:

C.

Step-by-step explanation:

3
6x
21(x + 1) 21(x + 1 )
.

Answers

21(x+1)=21x+21?

3*6x=18x

Factor the expression using GCF of 4+22​

Answers

Answer:

the answer would be 2(2+11)

Step-by-step explanation:

5-(-3.8) + 1.5

I don't understand how to work problems like this ​

Answers

Okay when subtracting 2 negatives the number will be come positive. Using this question ur new equation will be
5+3.8+1.5. You just type in your calculator and get your answer.
The answer is 10.3! Hope this helped!
10.3

When there is a in front of an expression in parentheses, change the sign of each term in the expression.

So it becomes 5 + 3.8 + 1.5
Now it’s just simple math....
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