I need help with solving this problem please I will mark brainliest if correct !!!

Answer:

x= 4

Step-by-step explanation:

3x + 7 = 5x - 1

combine the like numbers: add 1 to the other side, isolating 5x

3x + 8 = 5x

Subtract 3x from 5x, isolating 8

8 = 2x

divide

4 = x

Check if it works

3(4) + 7 = 5(4) - 1

19 = 19

Yes, it is correct

Answer:

C

Step-by-step explanation:

∠ XYZ = ∠ 1 + ∠ 2, substitute values

8x + 12 = 4x + 8 + 9x - 11 = 13x - 3 ( subtract 13x from both sides )

- 5x + 12 = - 3 ( subtract 12 from both sides )

- 5x = - 15 ( divide both sides by - 5 )

x = 3

Thus

∠ XYZ = 8x + 12 = 8(3) + 12 = 24 + 12 = 36° → C

Look at the Pictures:

Answer:

thx for 10 points tho

Step-by-step explanation:

Answer:

3.44 * 10^6

Step-by-step explanation:

3,440,000

3.44 * 10^6

Answer: It would be 3.44 × 10^6.

Answer:

X=12

Step-by-step explanation:

Solve for x by simplifying both sides of the equation, then isolating the variable.

Answer:

x=12

Step-by-step explanation:

step one is multiplying rest is in pic mark as brainliest

Answer:

2m-17

Step-by-step explanation:

-20+1/4(8m+12)

-20+2m+3

2m-20+3

2m-17

the answer is -20+ (8m+12/4)

Answer:

for the first pack, 1 Itune song would be 1.29 and for the other pack, for one Itune song would be 1.29 also, the relationship between these problem is that they are the same price for 1 song. The total cost for 1 is $1.29 hope this helps, have a great day! ツ

Step-by-step explanation:

Answer:

Step-by-step explanation:

SI-

Class:

28

Graphing Review #2 (8)

Name: GO

1. The following database shows ice cream sales based on daily high temperatures.

Ice Cream Sales vs Temperature

Temperature C Ice Cream Sales

$215

14.2

16.40

$325

11.99

$185

15.2

600

$332

18.5°

$406

.

22.10

$522

$500

19.40

$412

25.1

3400

$614

15300

a) Construct a scatter plot

to compare the total sales

to the daily high temperature,

b) What type of correlation is $200

shown by the data?

100

c) Draw a line of best fit.

d) Predict what the total sales would

se if the temperature was 17°C ?

10

Ve6

Temperature

Answer:

Twelve dollars per hour

Step-by-step explanation:

Add 2 1/2 and 4 1/4 together to get 6 3/4. Put it into decimal form (6.75), and divide. 81 ÷ 6.75 = 12.

Answer:

Step-by-step explanation:

x=-3y+5

x-5 = -3y

y = -(x-5)/3

Answer:

-35-5 has a negative value

Step-by-step explanation:

-35 - 5 = -40

If this helps can I get brainliest? Thanks

Answer:

B

Step-by-step explanation:

If you notice, since concert tickets is 1, the cost is $23. So we are finding an option that satifies that. The only option is B.

Hope you get a 100. Please hit the crown if correct :D

Answer:

B:23 dollars is the cost for each concert ticket

Step-by-step explanation:

Answer:

x=-5.5

Step-by-step explanation:

This equation has already been simplified to the last part for you so all you have to do is divide 22 by -4 and you get -5.5

22/-4=-5.5

Answer:

x = -5.5

Step-by-step explanation:

To answer this you need to isolate the x.. So -4x/-4 and then do the same to 22. So 22/-4 = -5.5

The answer is x = -5.5

Answer:

50%

Step-by-step explanation:

There are 4 sections in the circle. 2 out of 4 of them are shaded. That is half. 50% is another way of representing half of something.

Answer:

its c 50%

Step-by-step explanation:

Answer:

Every point on a horizontal line has the same y-value. Use the y-value of the point to find the equation of the horizontal line.

y=4

Answer:

314 million

Step-by-step explanation:

Given that :

Number of motor vehicle in the U.S for every 1000 people = 828

If the number of motor vehicle in the United States = 260 million

Then,

Let x = number of people Given number of vehicles = 260,000,000

1000 people = 828 vehicles

x = 260,000,000

828x = (260,000,000 * 1000)

828x = 260,000,000,000

x = 314009661. 835

x = 314 million (approx)

Answer:

help with what? what is your q u e s t i o n

Step-by-step explanation:

Answer:

I will help, but I need to know your question first haha!

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

Answer:

Answer: 6 3/4

Step-by-step explanation:

You have to mulitply 2 x 4 + 1 = 9 and 4 is going to be the denomiator and how much can 3 can go into 9 only 3 times and that going to be on top of the denomiator  and 2 x 3 = 6

Answer:

Step-by-step explanation:

Given

We know that trigonometric ratio as

as

sin A = sin 40 = opposite/hypotenuse

From the diagram, it is clear that the opposite of angle A is a=8 and the hypotenuse is 'c'.

also the angle

sin A = sin 40 = opposite/hypotenuse = a/c = 8/c

sin 40 = 8/c

c = 8/sin 40

c = 8/0.745

c = 10.7

so the value of c will be: 10.7 units

so

tan B = opposite/adjacent

         = b/a

         = 0.9

[tex]B=\tan ^{-1}\left(0.9\right)[/tex]

   [tex]=42^{\circ \:}[/tex]

Therefore, the value of B = [tex]42^{\circ \:}[/tex]

As the sum of the angles of triangle ABC is 180.

i.e.

A+B+C = 180

(40)° + (42)° + C = 180°

C = 180° - 40° - 42°

  = 98°

Therefore, the value of C = 98°

Hence,

Answer:

Step-by-step explanation:

All values that satisfy y ≤ (1/3)x - 3 are solution

Answer:

No sir

Step-by-step explanation:

Answer:

No

Step-by-step explanation:

Negatives are always less than positives.

Look at it on a number line:

Hope this helped!

Answer:

Step-by-step explanation:

Dado que:

Um técnico em eletricidade recebeu um pacote que continha 12 chaves não identificadas, a probabilidade de que ele acertasse na primeira vez será:

= número de ensaios / número total de ensaios disponíveis

O técnico eletricista tem apenas uma tentativa

uma vez que existem 12 chaves não identificadas, o número total de testes disponíveis 12

∴

= 1/12

= 0.0833

= 0.0833 × 100

= 8.33%

Answer:

5*4 x^4 y^6 /8 x^9 y^12

20 /8 x^5 y^6

5/2 x^5 y^6

Step-by-step explanation:

Answer:

The points that lie in the solution set of following system of inequalities are:

Option A (1,-5) and Option C (5,1)

Step-by-step explanation:

We need to find the points that lie in the solution set to the following system of inequalities

[tex]y<-3x+3\\y<x+2[/tex]

We will check each option to identify if they satisfy the given set of inequalities or net.

Option A (1,-5)

We have x=1, y=-5

Putting values and checking

[tex]\\y<-3x+3\\-5<-3(1)+3\\-5<0 \ (true)\\y<x+2\\-5<1+2\\-5<3 \ (true)[/tex]

So, Option A is correct as both values satisfy the given set of equations

Option B (1,5)

We have x=1, y=5

Putting values and checking

[tex]y<-3x+3\\5<-3(1)+3\\5<0 \ (false)\\y<x+2\\5<1+2\\5<3 \ (false)[/tex]

So, Option B is not correct as both values doesn't satisfy the given set of equations

Option C (5,1)

We have x=5, y=1

Putting values and checking

[tex]y<-3x+3\\1<-3(5)+3\\1<-15+3\\1<12 \ (true)\\y<x+2\\1<5+2\\1<7 \ (true)[/tex]

So, Option C is correct as both values satisfy the given set of equations

Option D (-1,5)

We have x=-1, y=5

putting values and checking

[tex]y<-3x+3\\5<-3(-1)+2\\5<3+2\\5<5 \ (false)\\y<x+2\\5<-1+2\\5<-1 \ (false)[/tex]

So, Option D is not correct as both values doesn't satisfy the given set of equations

The points that lie in the solution set of following system of inequalities are:

Option A (1,-5) and Option C (5,1)

Answer:

0

Step-by-step explanation:

Answer:

√2(√3 - 1)/4

Step-by-step explanation:

To find an exact value for Cos75°, we use the compound angle formula. Since 75° = 45° + 30°, Cos75° = Cos(45° + 30°).

Using Cos(A + B) = CosACosB - SinASinB where A = 45° and B = 30°,  

Cos75° = Cos(45° + 30°) = Cos45°Cos30° - Sin45°Sin30°

Now Cos45° = Sin45° = 1/√2 = √2/2, Cos30° = √3/2 and Sin30° = 1/2.

Substituting these values into the above equation, we have

Cos75° = Cos(45° + 30°)

= Cos45°Cos30° - Sin45°Sin30°

= √2/2 × √3/2 -  √2/2 × 1/2

= √6/4 -√2/4

= √2(√3 - 1)/4

Answer:

12.40

Step-by-step explanation:

[tex]223.20 \div 18[/tex]

that will give you the answer of 12.40 for each unit.

Answer:

Step-by-step explanation:

1 box costs x amount

18 boxes cos 223.20

Cross multiply

223.20 * 1 = 18 x

Divide by 18

223.20 / 18 = 18x / 18

x = 12.40

Cost of 1 box is 12.40