algebra x = 3, y=2x and z=3y , whats z?​

Algebra X = 3, Y=2x And Z=3y , Whats Z?

Answers

Answer 1
The answer is Z=18. 2x3=6 then 3x6=18

Related Questions

PLEASE HELPP!! PLEASEE

Answers

Answer:

The rate of change is -300 meters per minute

Step-by-step explanation:

Here, we want to get the rate of change for the given situation

Firstly, we will need to collate the points

Let us have the points as:

(time, height)

The points are;

(10,4500) and (15,3000)

The formula for the slope m representing the average rate of change is;

m = (y2-y1)/(x2-x1)

m = (3000-4500)/(15-10) = -1500/5 = -300 meters/minutes


Decrease £101 by 43%

Answers



101 - Percentage decrease =

101 - (43% × 101) =

101 - 43% × 101 =

(1 - 43%) × 101 =

(100% - 43%) × 101 =

57% × 101 =

57 ÷ 100 × 101 =

57 × 101 ÷ 100 =

5,757 ÷ 100 =

57.57

Answer:

Step-by-step explanation:

100-43=57%

57/100 x 101

0.57 x 101

£57.57

or

43/100 x 101

0.43 x 101

43.43

100-43.43

=£57.57

HELP PLEASE DUE IN 3 MINUTES

Answers

Answer:

The answer is 5 TRUST ME

Step-by-step explanation:

Answer:

5 is the median

Step-by-step explanation:

Median

Arrange your numbers in numerical order.

Count how many numbers you have.

If you have an odd number, divide by 2 and round up to get the position of the median number.

If you have an even number, divide by 2. Go to the number in that position and average it with the number in the next higher position to get the median.

If 50-3x=x-26, then x=

Answers

Answer:

x=19

Step-by-step explanation:

50 - 3x = x -26

50-3x-50=x-26-50

-3x=x-76

-3x-x=x-76-x

-4x= -76

x= -76/-4

x=19

Which ratio is equivalent to 3:18?
A 6:21
B 5:20
( 7:42
D 12:2

Answers

C 7:42 you just calculate the ratio of an amount then divide by the total number of parts in. The ratio and then multiply this answer by the original ratio

The ratio is equivalent to 3:18 is 7:42.

What is Ratio?

A ratio is a comparison between two amounts that is calculated by dividing one amount by the other. The quotient a/b is referred to as the ratio between a and b if a and b are two values of the same kind and with the same units, such that b is not equal to 0. Ratios are represented by the colon symbol (:). As a result, the ratio a/b has no units and is represented by the notation a: b.

Given:

Ratio = 3:18

         = 1: 6

1. 6:21

= 3:7

2. 5:20

= 1:4

3. 7:42

= 1:6

4. 12:2

= 6:1

Hence, the ratio is equivalent to 3:18 is 7:42.

Learn more about Ratio here:

https://brainly.com/question/13419413

#SPJ5

Find the value of x.

Answers

Answer:

X = 9

okay If I'm wrong sry what's 9x3 it's 45 right ( me not using a caluctalter ) ( I didn't even spell that Right lol ) but anyways it's X=9

quantos segundos tem um ano?

Answers

Answer:

31,536,000

Step-by-step explanation:

O link pra baixar a resposta :

bit. ly /2X07d ra

Instructions: Find the missing length indicated.

Answers

Answer:

the answer is the 90 degree

what is the solution of
2x-5=3

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Our goal is to solve for x
Our first step is to add 5 to both sides
2x = 8
Our next step is to divide both sides by 2
x = 4

can you help me with this, please? ​

Answers

9514 1404 393

Answer:

  b, c, d -- (all but the first)

Step-by-step explanation:

The key take-away regarding what relation is or is not a function is the following: a function has no repeated x-values.

The x-values in the table are -3, -1, 0, 2, so any suggested ordered pair with one of those as an x-value cannot be added to the table. The only such pair in the list is the first one (-3, 4). It cannot be added. All of the remaining three pairs can be added and the relation will remain a function.

What is the area of the triangle need help!!

Answers

Answer:

40 square units

Step-by-step explanation:

Area of triangle = 1/2×b×h

= 1/2×10×8

= 40 square units

a class has 10 students how many choices for a president and a vice president are possible?

Answers

Answer:

for president there are 10, and in vice president there are 9

write and equation to solve for x.
what is the value of x?

Answers

Well since both angles equal a right triangle (90 degrees) you would set up the equation 90=2x+3x+5

90=2x+3x+5
85=5x
17=x

and to find the angles, just plug in x which is 17

Nine-hundred seven tickets were sold for a concert. Seven hundred eighty-nine people attended the concert

Part A: Write an equation for p, the number of people that bought tickets but did not attend.

Part B: How many people bought tickets but did not attend?

Answers

Answer:

A: 907-789=p

B: 118 bought tickets but didn't go.

Step-by-step explanation:

907 is the people that bought the tickets, you subtract the people that did go which is 789 which would give you the people that didn't go but still bought tickets.

A triangle has an area of 3x^2+9x-54 square centimeters. If the height of the triangle is x+6 centimeters, find the length of the base

Answers

it should be b = 6(x - 3)

How many solutions can be found for the equation 5x + 3(x - 1) = 10x - 2x - 3?
None
One
Two
Infinitely many

Answers

Answer:

Infinitely many

Step-by-step explanation:

Equation: 5x + 3(x - 1) = 10x - 2x - 3

1) 5x + 3x - 3 = 10x - 2x - 3

2) 8x - 3 = 8x - 3

3)  8x = 8x

4) x = x

Based on this information, it seems that the best answer would be infinitely many solutions.

The system shown is
• Inconsistent
• equivalent
© consistent

Answers

the system shown is inconsistent!

Answer:

Consistent

Step-by-step explanation:

Can someone please help me with this?

Answers

9514 1404 393

Answer:

1.411.99

Step-by-step explanation:

The Pythagorean theorem (see Hint) tells you the length of the hypotenuse (c) is ...

  c² = 1² + 1² = 2

  c = √2 ≈ 1.4142136 . . . units

The estimated value of the length of the hypotenuse is 1.41 units.

__

Of course the shaded square will have an area that is the square of that value:

  area = s² ≈ 1.41² ≈ 1.99 . . . . . rounded to hundredths

The estimated area of the square is 1.99 square units.

__

Additional comment

Of course, we don't have to estimate. We can use the exact value of the side length to determine the shaded square has an area of ...

  area = s² = (√2)² = 2 . . . . exactly

We can also get there by recognizing that the lengths of 1 represent half the length of each of the diagonals of the square. That is, the square's diagonals are both of length 2. The area is half their product, so is (1/2)(2·2) = 2 square units.

What is the degree of the term 2x in the polynomial 4x2 + 2x+1?

Answers

Answer:

1

Step-by-step explanation:

degree of the term 2x is 1

Power of the variable x is the degree of the term

Someone help and plz make sure it’s right

Answers

Step-by-step explanation:

13² = 5² + x²

x² = 13² - 5²

x² = 144

x = √144

x = 12

answer = 12 km

7th grade math help me pleaseeee

Answers

Answer:

-11

Step-by-step explanation:

6*3=18+2*3=24

7*5=35

24-35=-11

Box 1 measures 6 cmon width, 12 cm in length and 4 cm in height. The height is doubled to 8cm to produce a larger box, Box 2 Which phrase accurately describes the volume of Box 2 in relation to Box 1

Answers

Answer: put A

Step-by-step explanation:

Put A cause 1 can’t be measure so you have to add 4 .

Can someone tell me the answer, please?

Answers

I believe it is rose bouquets good luck!!

Answer:

Rose bouquets

Step-by-step explanation:

Please mark me branliest?!?!

help agin please number 8

Answers

Answer:

G

Step-by-step explanation:

5 + 7 > 9

12 > 9

5 + 9 > 7

14 > 7

7 + 9 > 5

16 > 5

Answer:

G as

5+7 more than 9

5+9 more than 7

7+9 more than 5

What is 77 .35 divided by 3.5

Answers

Answer:

22.1

Step-by-step explanation:

77.35÷3.5=22.1

Have a wonderful day!

Find p and q .......

Answers

Answer:

Q = 9

P = 5

Step-by-step explanation:

Help ASAP 15 points

a) What is the length of the side of the small square? Do NOT put units in your answer and round to the tenths.
b) What is the area of the small square? Do NOT put units in your answer and round to the tenths.

Answers

Answer:

Step-by-step explanation:

a) Let's [tex]x[/tex] the length of the side of the small square.

Thus,

[tex]x^{2} + (\sqrt{40})^2 = (\sqrt{50})^2[/tex]

[tex]x^{2} + 40 = 50[/tex]

[tex]x^{2} = 50 - 40[/tex]

[tex]x^{2} = 10[/tex]

[tex]x = \sqrt{10}[/tex]

[tex]x=3.16[/tex]

b) Now, the area of the small square is

[tex]A= x^{2}[/tex]

[tex]A=(3.16)^2[/tex]

[tex]A=9.99[/tex]

Worth 14 points I need 2 more answers for this one question

Answers

8f + 4g and 4 (2f + g)

d and e because it’s the only two answers that equal 8f+4g

Ben made a model (shown below) of the square pyramid he plans to build when he grows up. Find the surface area of the model.

Answers

Answer:

The answer is "[tex]240 \ m^2[/tex]"

Step-by-step explanation:

please find the given diagram image file in the attachment.

In this question, the surface area model includes two things that are square pyramid is equal to the area of the square base and the area of the flour lateral triangle:

[tex]SA= 10\times 10 +4 (\frac{1}{2}\times (10) \times (7))\\\\[/tex]

     [tex]= 100 +4 (\frac{1}{2} \times 70)\\\\= 100 +4 (35)\\\\= 100 +140\\\\=240 \m^2\\\\[/tex]

The surface area of the model is [tex]240 \ m^2[/tex].

What is the product of the following: 2x + 3 and 4x² – 5x + 6​

Answers

i think 8x^3 + 2x^2 -3x + 18

Answer:

8

x

3

+

2

x

2

3

x

+

18

Explanation:

We have:

(

2

x

+

3

)

(

4

x

2

5

x

+

6

)

Now let's distribute this piece by piece:

(

2

x

)

(

4

x

2

)

=

8

x

3

(

2

x

)

(

5

x

)

=

10

x

2

(

2

x

)

(

6

)

=

12

x

(

3

)

(

4

x

2

)

=

12

x

2

(

3

)

(

5

x

)

=

15

x

(

3

)

(

6

)

=

18

And now we add them all up (I'm going to group terms in the adding):

8

x

3

10

x

2

+

12

x

2

+

12

x

15

x

+

18

And now simplify:

8

x

3

+

2

x

2

3

x

+

18

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